G. Allan Johnson

Research Themes

Biomedical Imaging & Biophotonics

Education

• Ph.D. Duke University, 1974

Positions

• Charles E. Putman University Distinguished Professor of Radiology
• Professor of Radiology
• Professor of Biomedical Engineering
• Professor in the Department of Physics
• Member of the Duke Cancer Institute

Courses Taught

• BME 791: Graduate Independent Study
• BME 493: Projects in Biomedical Engineering (GE)

Publications

• Takemura H, Kaneko T, Sherwood CC, Johnson GA, Axer M, Hecht EE, et al. A prominent vertical occipital white matter fasciculus unique to primate brains. Curr Biol. 2024 Aug 19;34(16):3632-3643.e4.
• Han X, Maharjan S, Chen J, Zhao Y, Qi Y, White LE, et al. High-resolution diffusion magnetic resonance imaging and spatial-transcriptomic in developing mouse brain. Neuroimage. 2024 Aug 15;297:120734.
• Dalton GD, Siecinski SK, Nikolova VD, Cofer GP, Hornburg KJ, Qi Y, et al. Transcriptome analysis identifies an ASD-Like phenotype in oligodendrocytes and microglia from C58/J amygdala that is dependent on sex and sociability. Behav Brain Funct. 2024 Jun 19;20(1):14.
• Blocker SJ, Mowery YM, Everitt JI, Cook J, Cofer GP, Qi Y, et al. MR histology reveals tissue features beneath heterogeneous MRI signal in genetically engineered mouse models of sarcoma. Front Oncol. 2024;14:1287479.
• Correction for Johnson et al., Merged magnetic resonance and light sheet microscopy of the whole mouse brain. Proc Natl Acad Sci U S A. 2023 Jun 20;120(25):e2308718120.
• Johnson GA, Tian Y, Ashbrook DG, Cofer GP, Cook JJ, Gee JC, et al. Merged magnetic resonance and light sheet microscopy of the whole mouse brain. Proc Natl Acad Sci U S A. 2023 Apr 25;120(17):e2218617120.
• Hornburg KJ, Slosky LM, Cofer G, Cook J, Qi Y, Porkka F, et al. Prenatal heroin exposure alters brain morphology and connectivity in adolescent mice. NMR Biomed. 2023 Feb;36(2):e4842.
• Tian Y, Johnson GA, Williams RW, White LE. A rapid workflow for neuron counting in combined light sheet microscopy and magnetic resonance histology. Front Neurosci. 2023;17:1223226.
• Crater S, Maharjan S, Qi Y, Zhao Q, Cofer G, Cook JC, et al. Resolution and b value dependent structural connectome in ex vivo mouse brain. Neuroimage. 2022 Jul 15;255:119199.
• Tian Y, Cook JJ, Johnson GA. Restoring morphology of light sheet microscopy data based on magnetic resonance histology. Front Neurosci. 2022;16:1011895.
• Shen J, Zhao Q, Qi Y, Cofer G, Johnson GA, Wang N. Tractography of Porcine Meniscus Microstructure Using High-Resolution Diffusion Magnetic Resonance Imaging. Front Endocrinol (Lausanne). 2022;13:876784.
• Xiao J, Hornburg KJ, Cofer G, Cook JJ, Pratson F, Qi Y, et al. A time-course study of actively stained mouse brains: Diffusion tensor imaging parameters and connectomic stability over 1 year. NMR Biomed. 2022 Jan;35(1):e4611.
• Du EY, Ortega BK, Ninoyu Y, Williams RW, Cofer GP, Cook JJ, et al. Volumetric analysis of the aging auditory pathway using high resolution magnetic resonance histology. Front Aging Neurosci. 2022;14:1034073.
• Sitek KR, Calabrese E, Johnson GA, Ghosh SS, Chandrasekaran B. Structural Connectivity of Human Inferior Colliculus Subdivisions Using in vivo and post mortem Diffusion MRI Tractography. Front Neurosci. 2022;16:751595.
• Nicholls PJ, Pack TF, Urs NM, Kumar S, Zhou Y, Ichim G, et al. Measuring Nonapoptotic Caspase Activity with a Transgenic Reporter in Mice. eNeuro. 2022;9(5).
• Johnson GA, Laoprasert R, Anderson RJ, Cofer G, Cook J, Pratson F, et al. A multicontrast MR atlas of the Wistar rat brain. Neuroimage. 2021 Nov 15;242:118470.
• Adil SM, Calabrese E, Charalambous LT, Cook JJ, Rahimpour S, Atik AF, et al. A high-resolution interactive atlas of the human brainstem using magnetic resonance imaging. Neuroimage. 2021 Aug 15;237:118135.
• Nair KS, Srivastava C, Brown RV, Koli S, Choquet H, Kang HS, et al. GLIS1 regulates trabecular meshwork function and intraocular pressure and is associated with glaucoma in humans. Nat Commun. 2021 Aug 12;12(1):4877.
• Garrett A, Rakhilin N, Wang N, McKey J, Cofer G, Anderson RB, et al. Mapping the peripheral nervous system in the whole mouse via compressed sensing tractography. J Neural Eng. 2021 Jun 8;18(4).
• Blocker SJ, Cook J, Mowery YM, Everitt JI, Qi Y, Hornburg KJ, et al. Ex Vivo MR Histology and Cytometric Feature Mapping Connect Three-dimensional in Vivo MR Images to Two-dimensional Histopathologic Images of Murine Sarcomas. Radiol Imaging Cancer. 2021 May;3(3):e200103.
• Badea A, Schmalzigaug R, Kim W, Bonner P, Ahmed U, Johnson GA, et al. Microcephaly with altered cortical layering in GIT1 deficiency revealed by quantitative neuroimaging. Magn Reson Imaging. 2021 Feb;76:26–38.
• Sills RC, Johnson GA, Anderson RJ, Johnson CL, Staup M, Brown DL, et al. Qualitative and Quantitative Neuropathology Approaches Using Magnetic Resonance Microscopy (Diffusion Tensor Imaging) and Stereology in a Hexachlorophene Model of Myelinopathy in Sprague-Dawley Rats. Toxicol Pathol. 2020 Dec;48(8):965–80.
• Wang N, Anderson RJ, Ashbrook DG, Gopalakrishnan V, Park Y, Priebe CE, et al. Variability and heritability of mouse brain structure: Microscopic MRI atlases and connectomes for diverse strains. Neuroimage. 2020 Nov 15;222:117274.
• Halem HA, Hochgeschwender U, Rih JK, Nelson R, Johnson GA, Thiagalingam A, et al. TBR-760, a Dopamine-Somatostatin Compound, Arrests Growth of Aggressive Nonfunctioning Pituitary Adenomas in Mice. Endocrinology. 2020 Aug 1;161(8).
• Wang N, White LE, Qi Y, Cofer G, Johnson GA. Cytoarchitecture of the mouse brain by high resolution diffusion magnetic resonance imaging. Neuroimage. 2020 Aug 1;216:116876.
• Wang N, Mirando AJ, Cofer G, Qi Y, Hilton MJ, Johnson GA. Characterization complex collagen fiber architecture in knee joint using high-resolution diffusion imaging. Magn Reson Med. 2020 Aug;84(2):908–19.
• Anderson RJ, Long CM, Calabrese ED, Robertson SH, Johnson GA, Cofer GP, et al. Optimizing Diffusion Imaging Protocols for Structural Connectomics in Mouse Models of Neurological Conditions. Front Phys. 2020 Apr;8.
• Holbrook MD, Blocker SJ, Mowery YM, Badea A, Qi Y, Xu ES, et al. MRI-Based Deep Learning Segmentation and Radiomics of Sarcoma in Mice. Tomography. 2020 Mar;6(1):23–33.
• Rushmore RJ, Wilson-Braun P, Papadimitriou G, Ng I, Rathi Y, Zhang F, et al. 3D Exploration of the Brainstem in 50-Micron Resolution MRI. Front Neuroanat. 2020;14:40.
• Allan Johnson G, Wang N, Anderson RJ, Chen M, Cofer GP, Gee JC, et al. Whole mouse brain connectomics. J Comp Neurol. 2019 Sep 1;527(13):2146–57.
• Sitek KR, Gulban OF, Calabrese E, Johnson GA, Lage-Castellanos A, Moerel M, et al. Mapping the human subcortical auditory system using histology, postmortem MRI and in vivo MRI at 7T. Elife. 2019 Aug 1;8.
• Atik AF, Calabrese E, Gramer R, Adil SM, Rahimpour S, Pagadala P, et al. Structural mapping with fiber tractography of the human cuneate fasciculus at microscopic resolution in cervical region. Neuroimage. 2019 Aug 1;196:200–6.
• Anderson RJ, Cook JJ, Delpratt N, Nouls JC, Gu B, McNamara JO, et al. Small Animal Multivariate Brain Analysis (SAMBA) - a High Throughput Pipeline with a Validation Framework. Neuroinformatics. 2019 Jul;17(3):451–72.
• Wang N, Zhang J, Cofer G, Qi Y, Anderson RJ, White LE, et al. Neurite orientation dispersion and density imaging of mouse brain microstructure. Brain Struct Funct. 2019 Jun;224(5):1797–813.
• Wang N, Mirando AJ, Cofer G, Qi Y, Hilton MJ, Johnson GA. Diffusion tractography of the rat knee at microscopic resolution. Magn Reson Med. 2019 Jun;81(6):3775–86.
• Privratsky JR, Wang N, Qi Y, Ren J, Morris BT, Hunting JC, et al. Dynamic contrast-enhanced MRI promotes early detection of toxin-induced acute kidney injury. Am J Physiol Renal Physiol. 2019 Feb 1;316(2):F351–9.
• Blocker SJ, Mowery YM, Holbrook MD, Qi Y, Kirsch DG, Johnson GA, et al. Bridging the translational gap: Implementation of multimodal small animal imaging strategies for tumor burden assessment in a co-clinical trial. PLoS One. 2019;14(4):e0207555.
• Badea A, Wu W, Shuff J, Wang M, Anderson RJ, Qi Y, et al. Identifying Vulnerable Brain Networks in Mouse Models of Genetic Risk Factors for Late Onset Alzheimer's Disease. Front Neuroinform. 2019;13:72.
• Wang N, Cofer G, Anderson RJ, Qi Y, Liu C, Johnson GA. Accelerating quantitative susceptibility imaging acquisition using compressed sensing. Phys Med Biol. 2018 Dec 10;63(24):245002.
• Wang N, Anderson RJ, Badea A, Cofer G, Dibb R, Qi Y, et al. Whole mouse brain structural connectomics using magnetic resonance histology. Brain Struct Funct. 2018 Dec;223(9):4323–35.
• Nouls JC, Badea A, Anderson RBJ, Cofer GP, Allan Johnson G. Diffusion tensor imaging using multiple coils for mouse brain connectomics. NMR Biomed. 2018 Jun;31(6):e3921.
• Calabrese E, Adil SM, Cofer G, Perone CS, Cohen-Adad J, Lad SP, et al. Postmortem diffusion MRI of the entire human spinal cord at microscopic resolution. Neuroimage Clin. 2018;18:963–71.
• Wei H, Gibbs E, Zhao P, Wang N, Cofer GP, Zhang Y, et al. Susceptibility tensor imaging and tractography of collagen fibrils in the articular cartilage. Magn Reson Med. 2017 Nov;78(5):1683–90.
• Vetreno RP, Yaxley R, Paniagua B, Johnson GA, Crews FT. Adult rat cortical thickness changes across age and following adolescent intermittent ethanol treatment. Addict Biol. 2017 May;22(3):712–23.
• Anderson RJ, Cook JJ, Delpratt NA, Nouls JC, Gu B, McNamara JO, et al. An HPC Pipeline with Validation Framework for Small Animal Multivariate Brain Analysis (SAMBA). CoRR. 2017;abs/1709.10483.
• Xie L, Bennett KM, Liu C, Johnson GA, Zhang JL, Lee VS. MRI tools for assessment of microstructure and nephron function of the kidney. Am J Physiol Renal Physiol. 2016 Dec 1;311(6):F1109–24.
• Wei H, Xie L, Dibb R, Li W, Decker K, Zhang Y, et al. Imaging whole-brain cytoarchitecture of mouse with MRI-based quantitative susceptibility mapping. Neuroimage. 2016 Aug 15;137:107–15.
• Spiliopoulos D, Kagadis GC, Karnabatidis D, Johnson GA, Badea CT. Digital Subtracted Angiography of Small Animals (Accepted). In: Kagadis GC, Ford NL, Loudos GK, Karnabatidis D, editors. Handbook of Small Animal Imaging: Preclinical Imaging, Therapy, and Applications. Taylor & Francis Books, Inc., CRC Press; 2016. p. 67–75.
• Xie L, Layton AT, Wang N, Larson PEZ, Zhang JL, Lee VS, et al. Dynamic contrast-enhanced quantitative susceptibility mapping with ultrashort echo time MRI for evaluating renal function. Am J Physiol Renal Physiol. 2016 Jan 15;310(2):F174–82.
• Johnson GA, Anderson RJ, Cook JJ, Long C, Badea A. Image-processing pipelines: Applications in magnetic resonance histology. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2016.
• Subashi E, Cordero FJ, Halvorson KG, Qi Y, Nouls JC, Becher OJ, et al. Tumor location, but not H3.3K27M, significantly influences the blood-brain-barrier permeability in a genetic mouse model of pediatric high-grade glioma. J Neurooncol. 2016 Jan;126(2):243–51.
• Calabrese E, Badea A, Cofer G, Qi Y, Johnson GA. A Diffusion MRI Tractography Connectome of the Mouse Brain and Comparison with Neuronal Tracer Data. Cereb Cortex. 2015 Nov;25(11):4628–37.
• MacFall JS, Johnson GA. Use of magnetic resonance imaging in the study of plants and soils. In 2015. p. 99–113.
• Calabrese E, Hickey P, Hulette C, Zhang J, Parente B, Lad SP, et al. Postmortem Diffusion MRI of the Human Brainstem and Thalamus for Deep Brain Stimulator Electrode Localization. In: MOVEMENT DISORDERS. WILEY-BLACKWELL; 2015. p. E6–E6.
• Calabrese E, Badea A, Coe CL, Lubach GR, Shi Y, Styner MA, et al. A diffusion tensor MRI atlas of the postmortem rhesus macaque brain. Neuroimage. 2015 Aug 15;117:408–16.
• Calabrese E, Hickey P, Hulette C, Zhang J, Parente B, Lad SP, et al. Postmortem diffusion MRI of the human brainstem and thalamus for deep brain stimulator electrode localization. Hum Brain Mapp. 2015 Aug;36(8):3167–78.
• Johnson GA. Magnetic resonance histology. J Magn Reson Imaging. 2015 Jul;42(1):1–2.
• Paxinos G, Watson C, Calabrese E, Badea A, Johnson G. An MRI/DTI Atlas of the Rat Brain. Elsevier, Academic Press; 2015.
• Subashi E, Qi Y, Johnson GA. Dynamic contrast-enhanced MR microscopy identifies regions of therapeutic response in a preclinical model of colorectal adenocarcinoma. Med Phys. 2015 May;42(5):2482–8.
• Xie L, Qi Y, Subashi E, Liao G, Miller-DeGraff L, Jetten AM, et al. 4D MRI of polycystic kidneys from rapamycin-treated Glis3-deficient mice. NMR Biomed. 2015 May;28(5):546–54.
• Xie L, Dibb R, Cofer GP, Li W, Nicholls PJ, Johnson GA, et al. Susceptibility tensor imaging of the kidney and its microstructural underpinnings. Magn Reson Med. 2015 Mar;73(3):1270–81.
• Papp EA, Leergaard TB, Calabrese E, Johnson GA, Bjaalie JG. Addendum to “Waxholm Space atlas of the Sprague Dawley rat brain” [NeuroImage 97 (2014) 374-386]. Neuroimage. 2015 Jan 15;105:561–2.
• Borg JS, Vu M-A, Badea C, Badea A, Johnson GA, Dzirasa K. Localization of Metal Electrodes in the Intact Rat Brain Using Registration of 3D Microcomputed Tomography Images to a Magnetic Resonance Histology Atlas. eNeuro. 2015;2(4).
• Cao W, Li W, Han H, O’Leary-Moore SK, Sulik KK, Allan Johnson G, et al. Prenatal alcohol exposure reduces magnetic susceptibility contrast and anisotropy in the white matter of mouse brains. Neuroimage. 2014 Nov 15;102 Pt 2(0 2):748–55.
• Calabrese E, Badea A, Coe CL, Lubach GR, Styner MA, Johnson GA. Investigating the tradeoffs between spatial resolution and diffusion sampling for brain mapping with diffusion tractography: time well spent? Hum Brain Mapp. 2014 Nov;35(11):5667–85.
• Angeli S, Befera N, Peyrat J-M, Calabrese E, Johnson GA, Constantinides C. A high-resolution cardiovascular magnetic resonance diffusion tensor map from ex-vivo C57BL/6 murine hearts. J Cardiovasc Magn Reson. 2014 Oct 16;16(1):77.
• Xie L, Subashi E, Qi Y, Knepper MA, Johnson GA. Four-dimensional MRI of renal function in the developing mouse. NMR Biomed. 2014 Sep;27(9):1094–102.
• Johnson GA, Badea A, Calabrese E, Liu C, Xie L. Magnetic resonance histology—Applications in toxicology. In: Toxicology Letters. Elsevier BV; 2014. p. S31–2.
• Papp EA, Leergaard TB, Calabrese E, Johnson GA, Bjaalie JG. Waxholm Space atlas of the Sprague Dawley rat brain. Neuroimage. 2014 Aug 15;97:374–86.
• Johnston SM, Johnson GA, Badea CT. Helical dual source cone-beam micro-CT. In: 2014 IEEE 11th International Symposium on Biomedical Imaging, ISBI 2014. 2014. p. 177–80.
• Calabrese E, Du F, Garman RH, Johnson GA, Riccio C, Tong LC, et al. Diffusion tensor imaging reveals white matter injury in a rat model of repetitive blast-induced traumatic brain injury. J Neurotrauma. 2014 May 15;31(10):938–50.
• Johnson GA, Calabrese E, Little PB, Hedlund L, Qi Y, Badea A. Quantitative mapping of trimethyltin injury in the rat brain using magnetic resonance histology. Neurotoxicology. 2014 May;42:12–23.
• Befera NT, Badea CT, Johnson GA. Comparison of 4D-microSPECT and microCT for murine cardiac function. Mol Imaging Biol. 2014 Apr;16(2):235–45.
• Lee C-L, Min H, Befera N, Clark D, Qi Y, Das S, et al. Assessing cardiac injury in mice with dual energy-microCT, 4D-microCT, and microSPECT imaging after partial heart irradiation. Int J Radiat Oncol Biol Phys. 2014 Mar 1;88(3):686–93.
• Gyengesi E, Calabrese E, Sherrier MC, Johnson GA, Paxinos G, Watson C. Semi-automated 3D segmentation of major tracts in the rat brain: comparing DTI with standard histological methods. Brain Struct Funct. 2014 Mar;219(2):539–50.
• Argyridis I, Li W, Johnson GA, Liu C. Quantitative magnetic susceptibility of the developing mouse brain reveals microstructural changes in the white matter. Neuroimage. 2014 Mar;88:134–42.
• Subashi E, Choudhury KR, Johnson GA. An analysis of the uncertainty and bias in DCE-MRI measurements using the spoiled gradient-recalled echo pulse sequence. Med Phys. 2014 Mar;41(3):032301.
• Badea CT, Befera N, Clark D, Qi Y, Johnson GA. Dual-energy micro-CT imaging of pulmonary airway obstruction: Correlation with micro-SPECT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2014.
• Clark DP, Johnson GA, Badea CT. A multi-resolution approach to retrospectively-gated cardiac micro-CT reconstruction. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2014.
• Clark DP, Johnson GA, Badea CT. Robust material decomposition for spectral CT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2014.
• Lipinski RJ, Holloway HT, O’Leary-Moore SK, Ament JJ, Pecevich SJ, Cofer GP, et al. Characterization of subtle brain abnormalities in a mouse model of Hedgehog pathway antagonist-induced cleft lip and palate. PLoS One. 2014;9(7):e102603.
• Ashton JR, Befera N, Clark D, Qi Y, Mao L, Rockman HA, et al. Anatomical and functional imaging of myocardial infarction in mice using micro-CT and eXIA 160 contrast agent. Contrast Media Mol Imaging. 2014;9(2):161–8.
• Cutlip RG, Hollander MS, Johnson GA, Johnson BW, Friend SA, Baker BA. Magnetic resonance imaging of graded skeletal muscle injury in live rats. Environ Health Insights. 2014;8(Suppl 1):31–9.
• Xie L, Sparks MA, Li W, Qi Y, Liu C, Coffman TM, et al. Quantitative susceptibility mapping of kidney inflammation and fibrosis in type 1 angiotensin receptor-deficient mice. NMR Biomed. 2013 Dec;26(12):1853–63.
• Calabrese E, Johnson GA. Diffusion tensor magnetic resonance histology reveals microstructural changes in the developing rat brain. Neuroimage. 2013 Oct 1;79:329–39.
• Clark D, Badea A, Johnson GA, Badea CT. Constructing a 4D murine cardiac micro-CT atlas for automated segmentation and phenotyping applications. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2013 Jun 3;8669.
• Clark D, Johnston SM, Johnson GA, Badea CT. The effect of scatter correction on dual energy micro-CT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2013.
• Antonsen BT, Jiang Y, Veraart J, Qu H, Nguyen HP, Sijbers J, et al. Altered diffusion tensor imaging measurements in aged transgenic Huntington disease rats. Brain Struct Funct. 2013 May;218(3):767–78.
• Calabrese E, Badea A, Watson C, Johnson GA. A quantitative magnetic resonance histology atlas of postnatal rat brain development with regional estimates of growth and variability. Neuroimage. 2013 May 1;71:196–206.
• Pandit P, Johnston SM, Qi Y, Story J, Nelson R, Johnson GA. The utility of micro-CT and MRI in the assessment of longitudinal growth of liver metastases in a preclinical model of colon carcinoma. Acad Radiol. 2013 Apr;20(4):430–9.
• Moding EJ, Clark DP, Qi Y, Li Y, Ma Y, Ghaghada K, et al. Dual-energy micro-computed tomography imaging of radiation-induced vascular changes in primary mouse sarcomas. Int J Radiat Oncol Biol Phys. 2013 Apr 1;85(5):1353–9.
• Bhavane R, Badea C, Ghaghada KB, Clark D, Vela D, Moturu A, et al. Dual-energy computed tomography imaging of atherosclerotic plaques in a mouse model using a liposomal-iodine nanoparticle contrast agent. Circ Cardiovasc Imaging. 2013 Mar 1;6(2):285–94.
• Calabrese E, Johnson GA, Watson C. An ontology-based segmentation scheme for tracking postnatal changes in the developing rodent brain with MRI. Neuroimage. 2013 Feb 15;67:375–84.
• Subashi E, Moding EJ, Cofer GP, MacFall JR, Kirsch DG, Qi Y, et al. A comparison of radial keyhole strategies for high spatial and temporal resolution 4D contrast-enhanced MRI in small animal tumor models. Med Phys. 2013 Feb;40(2):022304.
• Badea A, Johnson GA. Magnetic resonance microscopy. Stud Health Technol Inform. 2013;185:153–84.
• Parnell SE, Holloway HT, O’Leary-Moore SK, Dehart DB, Paniaqua B, Oguz I, et al. Magnetic resonance microscopy-based analyses of the neuroanatomical effects of gestational day 9 ethanol exposure in mice. Neurotoxicol Teratol. 2013;39:77–83.
• Antonsen BT, Jiang Y, Veraart J, Qu H, Nguyen HP, Sijbers J, et al. Altered diffusion tensor imaging measurements in aged transgenic Huntington disease rats. Brain Structure and Function. 2013;218(3):767–78.
• Johnson GA, Badea A, Calabrese E, Liu C, Xie L. Magnetic resonance histology: cool images- but who cares? TOXICOLOGY LETTERS. 2013;221:S50–S50.
• O’Leary-Moore SK, Budin F, Paniagua B, Oguz I, Johnson GA, Sulik KK. HIGH-RESOLUTION NEUROIMAGING REVEALS A RANGE OF CORPUS CALLOSUM INSULT INDUCED BY ETHANOL ON GESTATIONAL DAY 7 INMICE. ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2013;37:167A-167A.
• Badea CT, Hedlund LW, Johnson GA. A LabVIEW Platform for Preclinical Imaging Using Digital Subtraction Angiography and Micro-CT. J Med Eng. 2013;2013:581617.
• Badea A, Gewalt S, Avants BB, Cook JJ, Johnson GA. Quantitative mouse brain phenotyping based on single and multispectral MR protocols. Neuroimage. 2012 Nov 15;63(3):1633–45.
• Howles GP, Qi Y, Rosenzweig SJ, Nightingale KR, Johnson GA. Functional neuroimaging using ultrasonic blood-brain barrier disruption and manganese-enhanced MRI. Journal of visualized experiments : JoVE. 2012 Oct 23;(65).
• Clark D, Badea A, Liu Y, Johnson GA, Badea CT. Registration-based segmentation of murine 4D cardiac micro-CT data using symmetric normalization. Phys Med Biol. 2012 Oct 7;57(19):6125–45.
• Johnson GA, Calabrese E, Badea A, Paxinos G, Watson C. A multidimensional magnetic resonance histology atlas of the Wistar rat brain. Neuroimage. 2012 Sep;62(3):1848–56.
• Johnston SM, Johnson GA, Badea CT. Temporal and spectral imaging with micro-CT. Med Phys. 2012 Aug;39(8):4943–58.
• Howles GP, Qi Y, Rosenzweig SJ, Nightingale KR, Johnson GA. Functional neuroimaging using ultrasonic blood-brain barrier disruption and manganese-enhanced MRI. J Vis Exp. 2012 Jul 12;(65):e4055.
• Xie L, Cianciolo RE, Hulette B, Lee HW, Qi Y, Cofer G, et al. Magnetic resonance histology of age-related nephropathy in the Sprague Dawley rat. Toxicol Pathol. 2012 Jul;40(5):764–78.
• Guo X, Johnston SM, Johnson GA, Badea CT. A comparison of sampling strategies for dual energy micro-CT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2012.
• Perperidis D, Bucholz E, Johnson GA, Constantinides C. Morphological studies of the murine heart based on probabilistic and statistical atlases. Comput Med Imaging Graph. 2012 Mar;36(2):119–29.
• Clark D, Johnson GA, Badea CT. Denoising of 4D Cardiac Micro-CT Data Using Median-Centric Bilateral Filtration. In: Proc SPIE Int Soc Opt Eng. 2012.
• Liu C, Li W, Wu B, Jiang Y, Johnson GA. 3D fiber tractography with susceptibility tensor imaging. Neuroimage. 2012 Jan 16;59(2):1290–8.
• Guo X, Johnston SM, Qi Y, Johnson GA, Badea CT. 4D micro-CT using fast prospective gating. Phys Med Biol. 2012 Jan 7;57(1):257–71.
• Badea CT, Stanton IN, Johnston SM, Johnson GA, Therien MJ. Investigations on X-ray luminescence CT for small animal imaging. In: Proc SPIE Int Soc Opt Eng. 2012. p. 83130T.
• Badea A, Johnson GA. Magnetic resonance microscopy. Anal Cell Pathol (Amst). 2012;35(4):205–27.
• Badea CT, Athreya KK, Espinosa G, Clark D, Ghafoori AP, Li Y, et al. Computed tomography imaging of primary lung cancer in mice using a liposomal-iodinated contrast agent. PLoS One. 2012;7(4):e34496.
• Zhou X, Johnson GA. Magnetic resonance microscopy. In: Medical Imaging: Principles and Practices. 2012. p. 5-42-6–14.
• O’Leary-Moore SK, Johnson GA, Calabrese E, Budin F, Oguz I, Styner MA, et al. DIFFUSION TENSOR IMAGING (DTI)-BASED ANALYSIS OF FIBER TRACT ABNORMALITIES IN A MOUSE MODEL OF PRENATAL ALCOHOL EXPOSURE. ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2012;36:312A-312A.
• Lipinski RJ, Hammond P, O’Leary-Moore SK, Ament JJ, Pecevich SJ, Jiang Y, et al. Ethanol-induced face-brain dysmorphology patterns are correlative and exposure-stage dependent. PLoS One. 2012;7(8):e43067.
• Macfall JS, Johnson GA. Plants, seeds, roots, and soils as applications of magnetic resonance microscopy. eMagRes. 2012 Jan 1;1(1):147–54.
• Parnell SE, Holloway HT, Paniagua B, Oguz I, Styner MA, Johnson GA, et al. EFFECTS OF CHRONIC EARLY GESTATIONAL ETHANOL EXPOSURE ON THE DEVELOPING BRAIN: A MAGNETIC RESONANCE MICROSCOPY STUDY. In: ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2012. p. 279A-279A.
• Veraart J, Leergaard TB, Antonsen BT, Van Hecke W, Blockx I, Jeurissen B, et al. Population-averaged diffusion tensor imaging atlas of the Sprague Dawley rat brain. Neuroimage. 2011 Oct 15;58(4):975–83.
• Zhang X, Badea C, Hood G, Wetzel A, Qi Y, Stiles J, et al. High-resolution reconstruction of fluorescent inclusions in mouse thorax using anatomically guided sampling and parallel Monte Carlo computing. Biomed Opt Express. 2011 Sep 1;2(9):2449–60.
• Badea CT, Johnston SM, Qi Y, Johnson GA. 4D micro-CT for cardiac and perfusion applications with view under sampling. Phys Med Biol. 2011 Jun 7;56(11):3351–69.
• Jiang Y, Johnson GA. Microscopic diffusion tensor atlas of the mouse brain. Neuroimage. 2011 Jun 1;56(3):1235–43.
• Liu C, Li W, Johnson GA, Wu B. High-field (9.4 T) MRI of brain dysmyelination by quantitative mapping of magnetic susceptibility. Neuroimage. 2011 Jun 1;56(3):930–8.
• Badea CT, Johnston SM, Qi Y, Ghaghada K, Johnson GA. Dual-energy micro-CT imaging for differentiation of iodine- and gold-based nanoparticles. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2011.
• Sulik KK, O’Leary-Moore SK, Parnell SE, Lipinski RJ, Pecevich S, Holloway HT, et al. Magnetic resonance and diffusion tensor imaging of pre- and postnatal brains in a mouse Fetal Alcohol Spectrum Disorders model. In: ALCOHOL. ELSEVIER SCIENCE INC; 2011. p. 282–282.
• Rajagopal S, Kovacs J, Badea C, Johnson GA, Rockman HA, Piantadosi CA, et al. BETA-ARRESTINS REGULATE SIGNALING BY BONE MORPHOGENETIC PROTEIN TYPE II RECEPTOR IN PULMONARY ARTERIAL HYPERTENSION. Journal of the American College of Cardiology. 2011 Apr;57(14):E2046–E2046.
• Bowden DM, Johnson GA, Zaborsky L, Green WDK, Moore E, Badea A, et al. A symmetrical Waxholm canonical mouse brain for NeuroMaps. J Neurosci Methods. 2011 Feb 15;195(2):170–5.
• Hawrylycz M, Baldock RA, Burger A, Hashikawa T, Johnson GA, Martone M, et al. Digital atlasing and standardization in the mouse brain. PLoS Comput Biol. 2011 Feb 3;7(2):e1001065.
• Pandit P, Qi Y, King KF, Johnson GA. Reduction of artifacts in T2 -weighted PROPELLER in high-field preclinical imaging. Magn Reson Med. 2011 Feb;65(2):538–43.
• Lin M, Qi Y, Chen AF, Badea CT, Johnson GA. Phenylephrine-modulated cardiopulmonary blood flow measured with use of X-ray digital subtraction angiography. J Pharmacol Toxicol Methods. 2011;64(2):180–6.
• Badea CT, Hedlund LW, Qi Y, Berridge B, Johnson GA. In vivo imaging of rat coronary arteries using bi-plane digital subtraction angiography. J Pharmacol Toxicol Methods. 2011;64(2):151–7.
• Lipinski RJ, Hammond P, Ament JJ, Pecevich SJ, Jiang Y, Dehart DB, et al. MAGNETIC RESONANCE MICROSCOPY-BASED 3D FACE-BRAIN CORRELATIONS IN AN FASD MOUSE MODEL. In: ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2011. p. 266A-266A.
• Peterson RA, Gabrielson KL, Allan Johnson G, Pomper MG, Coatney RW, Winkelmann CT. Continuing education course #1: non-invasive imaging as a problem-solving tool and translational biomarker strategy in toxicologic pathology. Toxicol Pathol. 2011 Jan;39(1):267–72.
• Bolon B, Garman RH, Gundersen HJG, Allan Johnson G, Kaufmann W, Krinke G, et al. Continuing education course #3: current practices and future trends in neuropathology assessment for developmental neurotoxicity testing. Toxicol Pathol. 2011 Jan;39(1):289–93.
• Johnson GA, Badea A, Jiang Y. Quantitative neuromorphometry using magnetic resonance histology. Toxicol Pathol. 2011 Jan;39(1):85–91.
• Ghaghada KB, Badea CT, Karumbaiah L, Fettig N, Bellamkonda RV, Johnson GA, et al. Evaluation of tumor microenvironment in an animal model using a nanoparticle contrast agent in computed tomography imaging. Acad Radiol. 2011 Jan;18(1):20–30.
• Badea CT, Hedlund LW, Cook J, Berridge BR, Johnson GA. Micro-CT imaging assessment of dobutamine-induced cardiac stress in rats. J Pharmacol Toxicol Methods. 2011;63(1):24–9.
• Johnson GA, Badea A, Brandenburg J, Cofer G, Fubara B, Liu S, et al. Waxholm space: an image-based reference for coordinating mouse brain research. Neuroimage. 2010 Nov 1;53(2):365–72.
• O’Leary-Moore SK, Parnell SE, Godin EA, Dehart DB, Ament JJ, Khan AA, et al. Magnetic resonance microscopy-based analyses of the brains of normal and ethanol-exposed fetal mice. Birth Defects Res A Clin Mol Teratol. 2010 Nov;88(11):953–64.
• Brinegar C, Schmitter SS, Mistry NN, Johnson GA, Liang Z-P. Improving temporal resolution of pulmonary perfusion imaging in rats using the partially separable functions model. Magn Reson Med. 2010 Oct;64(4):1162–70.
• Howles GP, Bing KF, Qi Y, Rosenzweig SJ, Nightingale KR, Johnson GA. Contrast-enhanced in vivo magnetic resonance microscopy of the mouse brain enabled by noninvasive opening of the blood-brain barrier with ultrasound. Magn Reson Med. 2010 Oct;64(4):995–1004.
• Constantinides C, Aristokleous N, Johnson GA, Perperides D. Static and dynamic cardiac modelling: Initial strides and results towards a quantitatively accurate mechanical heart model. In: 2010 7th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, ISBI 2010 - Proceedings. 2010. p. 496–9.
• Pandit P, Qi Y, Story J, King KF, Johnson GA. Multishot PROPELLER for high-field preclinical MRI. Magn Reson Med. 2010 Jul;64(1):47–53.
• O’Leary-Moore SK, Parnell SE, Godin EA, Johnson GA, Styner M, Oguz I, et al. MAGNETIC RESONANCE MICROSCOPY AND DIFFUSION TENSOR IMAGING DEFINE STAGE-DEPENDENT CHANGES IN BRAIN MORPHOLOGY AFTER PRENATAL ETHANOL EXPOSURE IN MICE. In: ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. WILEY-BLACKWELL; 2010. p. 298A-298A.
• Howles GP, Qi Y, Johnson GA. Ultrasonic disruption of the blood-brain barrier enables in vivo functional mapping of the mouse barrel field cortex with manganese-enhanced MRI. Neuroimage. 2010 May 1;50(4):1464–71.
• Badea A, Johnson GA, Jankowsky JL. Remote sites of structural atrophy predict later amyloid formation in a mouse model of Alzheimer's disease. Neuroimage. 2010 Apr 1;50(2):416–27.
• Jiang Y, Johnson GA. Microscopic diffusion tensor imaging of the mouse brain. Neuroimage. 2010 Apr 1;50(2):465–71.
• Bucholz E, Ghaghada K, Qi Y, Mukundan S, Rockman HA, Johnson GA. Cardiovascular phenotyping of the mouse heart using a 4D radial acquisition and liposomal Gd-DTPA-BMA. Magn Reson Med. 2010 Apr;63(4):979–87.
• Mistry NN, Thomas A, Kaushik SS, Johnson GA, Driehuys B. Quantitative analysis of hyperpolarized 3He ventilation changes in mice challenged with methacholine. Magn Reson Med. 2010 Mar;63(3):658–66.
• Mistry NN, Qi Y, Hedlund LW, Johnson GA. Ventilation/perfusion imaging in a rat model of airway obstruction. Magn Reson Med. 2010 Mar;63(3):728–35.
• Petiet A, Johnson GA. Active staining of mouse embryos for magnetic resonance microscopy. Methods Mol Biol. 2010;611:141–9.
• Zhang X, Badea CT, Hood G, Wetzel AW, Stiles JR, Johnson GA. Free-space fluorescence tomography with adaptive sampling based on anatomical information from microCT. In: Proc SPIE Int Soc Opt Eng. 2010.
• Johnston SM, Johnson GA, Badea CT. GPU-based iterative reconstruction with total variation minimization for micro-CT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2010.
• Badea CT, Johnston SM, Subashi E, Qi Y, Hedlund LW, Johnson GA. Lung perfusion imaging in small animals using 4D micro-CT at heartbeat temporal resolution. Med Phys. 2010 Jan;37(1):54–62.
• Sulik KK, O’Leary-Moore SK, Parnell SE, Godin EA, Styner MA, Lipinski RJ, et al. MAGNETIC RESONANCE IMAGING-BASED ANALYSES OF A FETAL ALCOHOL SPECTRUM DISORDERS MOUSE MODEL. In: ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2010. p. 31A-31A.
• Godin EA, O’Leary-Moore SK, Khan AA, Parnell SE, Ament JJ, Dehart DB, et al. Magnetic resonance microscopy defines ethanol-induced brain abnormalities in prenatal mice: effects of acute insult on gestational day 7. Alcohol Clin Exp Res. 2010 Jan;34(1):98–111.
• MacKenzie-Graham A, Tiwari-Woodruff SK, Sharma G, Aguilar C, Vo KT, Strickland LV, et al. Purkinje cell loss in experimental autoimmune encephalomyelitis. Neuroimage. 2009 Dec;48(4):637–51.
• Howles GP, Ghaghada KB, Qi Y, Mukundan S, Johnson GA. High-resolution magnetic resonance angiography in the mouse using a nanoparticle blood-pool contrast agent. Magn Reson Med. 2009 Dec;62(6):1447–56.
• Lin M, Marshall CT, Qi Y, Johnston SM, Badea CT, Piantadosi CA, et al. Quantitative blood flow measurements in the small animal cardiopulmonary system using digital subtraction angiography. Med Phys. 2009 Nov;36(11):5347–58.
• Perez BA, Ghafoori AP, Johnston SM, Jeffords LB, Kim Y, Badea CT, et al. Dissecting the Mechanism of Tumor Response to Radiation Therapy with Primary Lung Cancers in Mice. In: International Journal of Radiation Oncology*Biology*Physics. Elsevier BV; 2009. p. S537–S537.
• Badea A, Johnson GA, Williams RW. Genetic dissection of the mouse CNS using magnetic resonance microscopy. Curr Opin Neurol. 2009 Aug;22(4):379–86.
• Howles GP, Nouls JC, Qi Y, Johnson GA. Rapid production of specialized animal handling devices using computer-aided design and solid freeform fabrication. J Magn Reson Imaging. 2009 Aug;30(2):466–71.
• Johnston SM, Johnson GA, Badea CT. A material decomposition method for dual energy micro-CT. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2009.
• Badea CT, Johnston SM, Lin M, Hedlund LW, Johnson GA. 4D micro-CT-based perfusion imaging in small animals. In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2009.
• Parnell SE, O’Leary-Moore SK, Godin EA, Dehart DB, Johnson BW, Allan Johnson G, et al. Magnetic resonance microscopy defines ethanol-induced brain abnormalities in prenatal mice: effects of acute insult on gestational day 8. Alcohol Clin Exp Res. 2009 Jun;33(6):1001–11.
• Badea A, Johnson GA, Williams RW. Genetic dissection of the mouse brain using high-field magnetic resonance microscopy. Neuroimage. 2009 May 1;45(4):1067–79.
• Song J, Liu Y, Gewalt SL, Cofer G, Johnson GA, Liu QH. Least-square NUFFT methods applied to 2-D and 3-D radially encoded MR image reconstruction. IEEE Trans Biomed Eng. 2009 Apr;56(4):1134–42.
• Zhang X, Badea C, Jacob M, Johnson GA. Development of a noncontact 3-D fluorescence tomography system for small animal in vivo imaging. In: Proc SPIE Int Soc Opt Eng. 2009. p. nihpa106691.
• Zhang X, Badea CT, Johnson GA. Three-dimensional reconstruction in free-space whole-body fluorescence tomography of mice using optically reconstructed surface and atlas anatomy. J Biomed Opt. 2009;14(6):064010.
• O’Leary-Moore SK, Godin EA, Parnell SE, Dehart DB, Ament JJ, Johnson GA, et al. EFFECTS OF ACUTE GESTATIONAL DAY 10 ETHANOL EXPOSURE ON THE DEVELOPING MOUSE BRAIN: A HIGH-RESOLUTION MAGNETIC RESONANCE MICROSCOPY STUDY. In: ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH. 2009. p. 132A-132A.
• Badea CT, Drangova M, Holdsworth DW, Johnson GA. In vivo small-animal imaging using micro-CT and digital subtraction angiography. Phys Med Biol. 2008 Oct 7;53(19):R319–50.
• Johnson K, Badea C, Hedlund L, Johnson GA. Imaging techniques for small animal imaging models of pulmonary disease: Micro-CT (Toxicologic Pathology (2007) 35, 5 (9-64)). Toxicologic Pathology. 2008 Oct 1;36(6):895.
• Petiet AE, Kaufman MH, Goddeeris MM, Brandenburg J, Elmore SA, Johnson GA. High-resolution magnetic resonance histology of the embryonic and neonatal mouse: a 4D atlas and morphologic database. Proc Natl Acad Sci U S A. 2008 Aug 26;105(34):12331–6.
• De Lin M, Toncheva G, Nguyen G, Kim S, Anderson-Evans C, Johnson GA, et al. Application of MOSFET detectors for dosimetry in small animal radiography using short exposure times. Radiat Res. 2008 Aug;170(2):260–3.
• Shofer S, Badea C, Qi Y, Potts E, Foster WM, Johnson GA. A micro-CT analysis of murine lung recruitment in bleomycin-induced lung injury. J Appl Physiol (1985). 2008 Aug;105(2):669–77.
• Bucholz E, Ghaghada K, Qi Y, Mukundan S, Johnson GA. Four-dimensional MR microscopy of the mouse heart using radial acquisition and liposomal gadolinium contrast agent. Magn Reson Med. 2008 Jul;60(1):111–8.
• Goddeeris MM, Rho S, Petiet A, Davenport CL, Johnson GA, Meyers EN, et al. Intracardiac septation requires hedgehog-dependent cellular contributions from outside the heart. Development. 2008 May;135(10):1887–95.
• Johnston SM, Johnson GA, Badea CT. Geometric calibration for a dual tube/detector micro-CT system. Med Phys. 2008 May;35(5):1820–9.
• Badea CT, Johnston S, Johnson B, Lin M, Hedlund LW, Johnson GA. A dual micro-CT system for small animal imaging. In: Proc SPIE Int Soc Opt Eng. 2008. p. 691342.
• Badea CT, Wetzel AW, Mistry N, Pomerantz S, Nave D, Johnson GA. Left ventricle volume measurements in cardiac micro-CT: the impact of radiation dose and contrast agent. Comput Med Imaging Graph. 2008 Apr;32(3):239–50.
• Nouls JC, Izenson MG, Greeley HP, Johnson GA. Design of a superconducting volume coil for magnetic resonance microscopy of the mouse brain. J Magn Reson. 2008 Apr;191(2):231–8.
• Bucholz EK, Song J, Johnson GA, Hancu I. Multispectral imaging with three-dimensional rosette trajectories. Magn Reson Med. 2008 Mar;59(3):581–9.
• de Lin M, Ning L, Badea CT, Mistry NN, Qi Y, Johnson GA. A high-precision contrast injector for small animal x-ray digital subtraction angiography. IEEE Trans Biomed Eng. 2008 Mar;55(3):1082–91.
• Lu H, Pollack E, Young R, Babb JS, Johnson G, Zagzag D, et al. Predicting grade of cerebral glioma using vascular-space occupancy MR imaging. AJNR Am J Neuroradiol. 2008 Feb;29(2):373–8.
• Mistry NN, Pollaro J, Song J, De Lin M, Johnson GA. Pulmonary perfusion imaging in the rodent lung using dynamic contrast-enhanced MRI. Magn Reson Med. 2008 Feb;59(2):289–97.
• Sharief AA, Badea A, Dale AM, Johnson GA. Automated segmentation of the actively stained mouse brain using multi-spectral MR microscopy. Neuroimage. 2008 Jan 1;39(1):136–45.
• Oldham M, Sakhalkar H, Oliver T, Allan Johnson G, Dewhirst M. Optical clearing of unsectioned specimens for three-dimensional imaging via optical transmission and emission tomography. J Biomed Opt. 2008;13(2):021113.
• Driehuys B, Walker J, Pollaro J, Cofer GP, Mistry N, Schwartz D, et al. 3He MRI in mouse models of asthma. Magn Reson Med. 2007 Nov;58(5):893–900.
• Song J, Liu QH, Johnson GA, Badea CT. Sparseness prior based iterative image reconstruction for retrospectively gated cardiac micro-CT. Med Phys. 2007 Nov;34(11):4476–83.
• Bug W, Wong WW, Gustafson C, Johnson GA, Martone ME, Price DL, et al. Brain atlasing tool interoperation: NeuroTerrain-Smart Atlas synergistic visualization and analysis environment. In: Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering. 2007. p. 280–3.
• Badea A, Ali-Sharief AA, Johnson GA. Morphometric analysis of the C57BL/6J mouse brain. Neuroimage. 2007 Sep 1;37(3):683–93.
• Johnson GA, Ali-Sharief A, Badea A, Brandenburg J, Cofer G, Fubara B, et al. High-throughput morphologic phenotyping of the mouse brain with magnetic resonance histology. Neuroimage. 2007 Aug 1;37(1):82–9.
• Petiet A, Hedlund L, Johnson GA. Staining methods for magnetic resonance microscopy of the rat fetus. J Magn Reson Imaging. 2007 Jun;25(6):1192–8.
• Nahrendorf M, Badea C, Hedlund LW, Figueiredo J-L, Sosnovik DE, Johnson GA, et al. High-resolution imaging of murine myocardial infarction with delayed-enhancement cine micro-CT. Am J Physiol Heart Circ Physiol. 2007 Jun;292(6):H3172–8.
• Badea CT, Hedlund LW, De Lin M, Mackel JSB, Samei E, Johnson GA. Tomographic digital subtraction angiography for lung perfusion estimation in rodents. Med Phys. 2007 May;34(5):1546–55.
• Rice HE, Hsu EW, Sheng H, Evenson DA, Freemerman AJ, Safford KM, et al. Superparamagnetic iron oxide labeling and transplantation of adipose-derived stem cells in middle cerebral artery occlusion-injured mice. AJR Am J Roentgenol. 2007 Apr;188(4):1101–8.
• Badea A, Nicholls PJ, Johnson GA, Wetsel WC. Neuroanatomical phenotypes in the reeler mouse. Neuroimage. 2007 Feb 15;34(4):1363–74.
• Wetzel AW, Badea CT, Pomerantz SM, Mistry N, Nave D, Johnson GA. Measurement and modeling of 4D live mouse heart volumes from CT time series. In: Proceedings of SPIE - The International Society for Optical Engineering. 2007.
• Shofer S, Badea C, Auerbach S, Schwartz DA, Johnson GA. A micro-computed tomography-based method for the measurement of pulmonary compliance in healthy and bleomycin-exposed mice. Exp Lung Res. 2007;33(3–4):169–83.
• Badea CT, Hedlund LW, Mackel JFB, Mao L, Rockman HA, Johnson GA. Cardiac micro-computed tomography for morphological and functional phenotyping of muscle LIM protein null mice. Mol Imaging. 2007;6(4):261–8.
• Driehuys B, Cofer GP, Pollaro J, Mackel JB, Hedlund LW, Johnson GA. Imaging alveolar-capillary gas transfer using hyperpolarized 129Xe MRI. Proc Natl Acad Sci U S A. 2006 Nov 28;103(48):18278–83.
• De Lin M, Hedlund L, Johnson GA. Micro radiography imaging of the rodent with phenylephrine induced vascular hypertension. In: 2006 3rd IEEE International Symposium on Biomedical Imaging: From Nano to Macro - Proceedings. 2006. p. 610–3.
• Mistry N, De Lin M, Hedlund L, Johnson GA. Multimodality imaging of pulmonary function in the rodent. In: 2006 3rd IEEE International Symposium on Biomedical Imaging: From Nano to Macro - Proceedings. 2006. p. 920–3.
• Badea CT, Hedlund LW, Lin MD, Boslego JF, Johnson GA. Functional imaging in small animals using tomographic digital subtraction angiography. In: 2006 3rd IEEE International Symposium on Biomedical Imaging: From Nano to Macro - Proceedings. 2006. p. 1208–11.
• De Lin M, Samei E, Badea CT, Yoshizumi TT, Allan Johnson G. Optimized radiographic spectra for small animal digital subtraction angiography. Med Phys. 2006 Nov;33(11):4249–57.
• Sharief AA, Johnson GA. Enhanced T2 contrast for MR histology of the mouse brain. Magn Reson Med. 2006 Oct;56(4):717–25.
• Oldham M, Sakhalkar H, Oliver T, Wang YM, Kirpatrick J, Cao Y, et al. Three-dimensional imaging of xenograft tumors using optical computed and emission tomography. Med Phys. 2006 Sep;33(9):3193–202.
• Mukundan S, Ghaghada KB, Badea CT, Kao C-Y, Hedlund LW, Provenzale JM, et al. A liposomal nanoscale contrast agent for preclinical CT in mice. AJR Am J Roentgenol. 2006 Feb;186(2):300–7.
• Badea CT, Hedlund LW, De Lin M, Boslego Mackel JF, Johnson GA. Tumor imaging in small animals with a combined micro-CT/micro-DSA system using iodinated conventional and blood pool contrast agents. Contrast Media Mol Imaging. 2006;1(4):153–64.
• Badea CT, Bucholz E, Hedlund LW, Rockman HA, Johnson GA. Imaging methods for morphological and functional phenotyping of the rodent heart. Toxicol Pathol. 2006;34(1):111–7.
• Zhou X, Johnson GA. Magnetic resonance microscopy. In: Medical Devices and Systems. 2006. p. 15-1-15–14.
• Jaffe TA, Nelson RC, Johnson GA, Lee ER, Yoshizumi TT, Lowry CR, et al. Optimization of multiplanar reformations from isotropic data sets acquired with 16-detector row helical CT scanner. Radiology. 2006 Jan;238(1):292–9.
• Cody D, Stickel J, Johnson G, Boone J. MO‐D‐330D‐01: Molecular Imaging I: The Physics of Molecular Imaging. In: Medical Physics. 2006. p. 2160.
• Ali AA, Dale AM, Badea A, Johnson GA. Automated segmentation of neuroanatomical structures in multispectral MR microscopy of the mouse brain. Neuroimage. 2005 Aug 15;27(2):425–35.
• Tengowski MW, Sutovsky P, Hedlund LW, Guyot DJ, Burkhardt JE, Thompson WE, et al. Reproductive cytotoxicity is predicted by magnetic resonance microscopy and confirmed by ubiquitin-proteasome immunohistochemistry in a theophylline-induced model of rat testicular and epididymal toxicity. Microsc Microanal. 2005 Aug;11(4):300–12.
• Cyr M, Caron MG, Johnson GA, Laakso A. Magnetic resonance imaging at microscopic resolution reveals subtle morphological changes in a mouse model of dopaminergic hyperfunction. Neuroimage. 2005 May 15;26(1):83–90.
• Maï W, Badea CT, Wheeler CT, Hedlund LW, Johnson GA. Effects of breathing and cardiac motion on spatial resolution in the microscopic imaging of rodents. Magn Reson Med. 2005 Apr;53(4):858–65.
• Hedlund LW, Johnson GA. Morphology of the small-animal lung using magnetic resonance microscopy. In: Proc Am Thorac Soc. 2005. p. 481–502.
• Chen BT, Yordanov AT, Johnson GA. Ventilation-synchronous magnetic resonance microscopy of pulmonary structure and ventilation in mice. Magn Reson Med. 2005 Jan;53(1):69–75.
• Badea CT, Fubara B, Hedlund LW, Johnson GA. 4-D micro-CT of the mouse heart. Mol Imaging. 2005;4(2):110–6.
• Bowsher JE, Yuan H, Hedlund LW, Turkington TG, Akabani G, Badea A, et al. Utilizing MRI information to estimate F18-FDG distributions in rat flank tumors. In: IEEE Nuclear Science Symposium Conference Record. 2004. p. 2488–92.
• Badea C, Hedlund LW, Johnson GA. Micro-CT with respiratory and cardiac gating. Med Phys. 2004 Dec;31(12):3324–9.
• De Lin M, Badea CT, Johnson GA. Optimized radiographic spectra for digital subtraction angiography in the mouse. In: 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano. 2004. p. 1412–5.
• Badea CT, Hedlund LW, Wheeler CT, Mai W, Johnson GA. Volumetric micro-CT system for in vivo microscopy. In: 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano. 2004. p. 1377–80.
• Mai W, Badea CT, Wheeler CT, Hedlund LW, Johnson GA. Effects of breathing motion on the spatial resolution in microscopic imaging techniques of rodents. In: 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano. 2004. p. 472–5.
• Chen BT, Johnson GA. Dynamic lung morphology of methacholine-induced heterogeneous bronchoconstriction. Magn Reson Med. 2004 Nov;52(5):1080–6.
• Morgan DL, Little PB, Herr DW, Moser VC, Collins B, Herbert R, et al. Neurotoxicity of carbonyl sulfide in F344 rats following inhalation exposure for up to 12 weeks. Toxicol Appl Pharmacol. 2004 Oct 15;200(2):131–45.
• Brau ACS, Hedlund LW, Johnson GA. Cine magnetic resonance microscopy of the rat heart using cardiorespiratory-synchronous projection reconstruction. J Magn Reson Imaging. 2004 Jul;20(1):31–8.
• Sills RC, Morgan DL, Maronpot RR, Johnson GA. Contribution of magnetic resonance microscopy in the biologic and mechanistic assessment of carbonyl sulfide neurotoxicity in F344 rats. TOXICOLOGY AND APPLIED PHARMACOLOGY. 2004 Jun 15;197(3):151–2.
• Zhang X, Tengowski M, Fasulo L, Botts S, Suddarth SA, Johnson GA. Measurement of fat/water ratios in rat liver using 3D three-point dixon MRI. Magn Reson Med. 2004 Apr;51(4):697–702.
• Chen BT, Yordanov AT, Johnson GA. Functional pulmonary MR microscopy in mice. FASEB JOURNAL. 2004 Mar 24;18(5):A785–A785.
• Maronpot RR, Sills RC, Johnson GA. Applications of magnetic resonance microscopy. Toxicol Pathol. 2004;32 Suppl 2:42–8.
• Sills RC, Morgan DL, Herr DW, Little PB, George NM, Ton TV, et al. Contribution of magnetic resonance microscopy in the 12-week neurotoxicity evaluation of carbonyl sulfide in Fischer 344 rats. Toxicol Pathol. 2004;32(5):501–10.
• Segars WP, Tsui BMW, Frey EC, Johnson GA, Berr SS. Development of a 4-D digital mouse phantom for molecular imaging research. Mol Imaging Biol. 2004;6(3):149–59.
• Yelbuz TM, Zhang X, Choma MA, Stadt HA, Zdanowicz M, Johnson GA, et al. Images in cardiovascular medicine. Approaching cardiac development in three dimensions by magnetic resonance microscopy. Circulation. 2003 Dec 2;108(22):e154–5.
• Yelbuz TM, Waldo KL, Zhang X, Zdanowicz M, Parker J, Creazzo TL, et al. Myocardial volume and organization are changed by failure of addition of secondary heart field myocardium to the cardiac outflow tract. Dev Dyn. 2003 Oct;228(2):152–60.
• Zhang X, Yelbuz TM, Cofer GP, Choma MA, Kirby ML, Johnson GA. Improved preparation of chick embryonic samples for magnetic resonance microscopy. Magn Reson Med. 2003 Jun;49(6):1192–5.
• Gupta AK, Nelson RC, Johnson GA, Paulson EK, Delong DM, Yoshizumi TT. Optimization of eight-element multi-detector row helical CT technology for evaluation of the abdomen. Radiology. 2003 Jun;227(3):739–45.
• Chen BT, Brau ACS, Johnson GA. Measurement of regional lung function in rats using hyperpolarized 3helium dynamic MRI. Magn Reson Med. 2003 Jan;49(1):78–88.
• Zhou X, Allan Johnson G. Magnetic resonance microscopy. In: Biomedical Imaging. 2003. p. 13-1-13–4.
• Johnson GA, Cofer GP, Fubara B, Gewalt SL, Hedlund LW, Maronpot RR. Magnetic resonance histology for morphologic phenotyping. J Magn Reson Imaging. 2002 Oct;16(4):423–9.
• Burg KJL, Delnomdedieu M, Beiler RJ, Culberson CR, Greene KG, Halberstadt CR, et al. Application of magnetic resonance microscopy to tissue engineering: a polylactide model. J Biomed Mater Res. 2002 Sep 5;61(3):380–90.
• Gareau PJ, Wymore AC, Cofer GP, Johnson GA. Imaging inflammation: direct visualization of perivascular cuffing in EAE by magnetic resonance microscopy. J Magn Reson Imaging. 2002 Jul;16(1):28–36.
• Möller HE, Chen XJ, Saam B, Hagspiel KD, Johnson GA, Altes TA, et al. MRI of the lungs using hyperpolarized noble gases. Magn Reson Med. 2002 Jun;47(6):1029–51.
• Johnson GA, Cofer GP, Gewalt SL, Hedlund LW. Morphologic phenotyping with MR microscopy: the visible mouse. Radiology. 2002 Mar;222(3):789–93.
• Brau ACS, Wheeler CT, Hedlund LW, Johnson GA. Fiber-optic stethoscope: a cardiac monitoring and gating system for magnetic resonance microscopy. Magn Reson Med. 2002 Feb;47(2):314–21.
• Gupta AK, Johnson GA, Nelson RC. Optimization of eight-element multi-detector helical CT for imaging the abdomen. Radiology. 2002 Feb;222(2):589–589.
• Hedlund LW, Johnson GA. Mechanical ventilation for imaging the small animal lung. ILAR J. 2002;43(3):159–74.
• Spielmann AL, Nelson RC, Lowry CR, Johnson GA, Sundaramoothy G, Sheafor DH, et al. Liver: single breath-hold dynamic subtraction CT with multi-detector row helical technology feasibility study. Radiology. 2002 Jan;222(1):278–83.
• Johnson GA, Hedlund LW. Image based phenotyping: The visible mouse. FASEB JOURNAL. 2002;16(5):A1091–A1091.
• Johnson GA, Cofer GP, Gewalt SL, Hedlund LW. An engineering approach to image-based phenotyping. In: 2002 IEEE INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING, PROCEEDINGS. 2002. p. 381–3.
• Frush DP, Yoshizumi TT, Paulson EK, Johnson GA. Radiation dose from helical CT in children: Comparison of multi-slice and single-slice protocols. RADIOLOGY. 2001 Nov 1;221:246–246.
• Tengowski MW, Suddarth SA, Cofer GP, Wheeler CT, Botts S, Fasulo LM, et al. Using technology to develop a hepatic lipidosis blomarker in the rat. MOLECULAR BIOLOGY OF THE CELL. 2001 Nov 1;12:261A-261A.
• Paulson EK, Yoshizumi TT, Frush DP, Johnson GA. Multi-detector vs single-detector CT: The organ doses are higher than you think. RADIOLOGY. 2001 Nov 1;221:403–403.
• Kelly SJ, Delnomdedieu M, Oliverio MI, Williams LD, Saifer MGP, Sherman MR, et al. Diabetes insipidus in uricase-deficient mice: a model for evaluating therapy with poly(ethylene glycol)-modified uricase. J Am Soc Nephrol. 2001 May;12(5):1001–9.
• Möller HE, Hedlund LW, Chen XJ, Carey MR, Chawla MS, Wheeler CT, et al. Measurements of hyperpolarized gas properties in the lung. Part III: (3)He T(1). Magn Reson Med. 2001 Mar;45(3):421–30.
• Johnson GA, Cofer GP, Hedlund LW, Maronpot RR, Suddarth SA. Registered (1)H and (3)He magnetic resonance microscopy of the lung. Magn Reson Med. 2001 Mar;45(3):365–70.
• Wetzel AW, Pomerantz S, Nave D, Meixner W, Johnson GA. Distributed multiuser visualization of time varying anatomical data. In: Proceedings - Applied Imagery Pattern Recognition Workshop. 2001. p. 109–14.
• Tengowski MW, Hedlund LW, Guyot DJ, Burkhardt JE, Johnson GA. Magnetic resonance microscopy predicts findings in a theophylline-induced rat model of reproductive toxicity. MOLECULAR BIOLOGY OF THE CELL. 2000 Dec 1;11:125A-125A.
• Chen XJ, Hedlund LW, Möller HE, Chawla MS, Maronpot RR, Johnson GA. Detection of emphysema in rat lungs by using magnetic resonance measurements of 3He diffusion. Proc Natl Acad Sci U S A. 2000 Oct 10;97(21):11478–81.
• Hedlund LW, Cofer GP, Owen SJ, Allan Johnson G. MR-compatible ventilator for small animals: computer-controlled ventilation for proton and noble gas imaging. Magn Reson Imaging. 2000 Jul;18(6):753–9.
• Benveniste H, Kim K, Zhang L, Johnson GA. Magnetic resonance microscopy of the C57BL mouse brain. Neuroimage. 2000 Jun;11(6 Pt 1):601–11.
• Hedlund LW, Möller HE, Chen XJ, Chawla MS, Cofer GP, Johnson GA. Mixing oxygen with hyperpolarized (3)He for small-animal lung studies. NMR Biomed. 2000 Jun;13(4):202–6.
• Nugent AC, Johnson GA. T1rho imaging using magnetization-prepared projection encoding (MaPPE). Magn Reson Med. 2000 Mar;43(3):421–8.
• Chawla MS, Chen XJ, Cofer GP, Hedlund LW, Kerby MB, Ottoboni TB, et al. Hyperpolarized 3He microspheres as a novel vascular signal source for MRI. Magn Reson Med. 2000 Mar;43(3):440–5.
• Lester DS, Pine PS, Delnomdedieu M, Johannessen JN, Johnson GA. Virtual neuropathology: three-dimensional visualization of lesions due to toxic insult. Toxicol Pathol. 2000;28(1):100–4.
• Oliverio MI, Delnomdedieu M, Best CF, Li P, Morris M, Callahan MF, et al. Abnormal water metabolism in mice lacking the type 1A receptor for ANG II. Am J Physiol Renal Physiol. 2000 Jan;278(1):F75–82.
• Lester DS, Johannessen JN, Pine PS, McGregor GN, Johnson GA. Virtual neuropathology: A new approach to preclinical pathology using magnetic resonance imaging microscopy. Spectroscopy (Santa Monica). 1999 Dec 1;14(7):17–22.
• Benveniste H, Einstein G, Kim KR, Hulette C, Johnson GA. Detection of neuritic plaques in Alzheimer's disease by magnetic resonance microscopy. Proc Natl Acad Sci U S A. 1999 Nov 23;96(24):14079–84.
• Nelson RC, Johnson GA, Spielman AL, Lowry CR, Sundaramoorthy G, Sheafor DH. Single breath-hold dynamic subtraction CT of the liver using-multidetector helical technology. Radiology. 1999 Nov;213P:125–125.
• Chen XJ, Möller HE, Chawla MS, Cofer GP, Driehuys B, Hedlund LW, et al. Spatially resolved measurements of hyperpolarized gas properties in the lung in vivo. Part II: T *(2). Magn Reson Med. 1999 Oct;42(4):729–37.
• Chen XJ, Möller HE, Chawla MS, Cofer GP, Driehuys B, Hedlund LW, et al. Spatially resolved measurements of hyperpolarized gas properties in the lung in vivo. Part I: diffusion coefficient. Magn Reson Med. 1999 Oct;42(4):721–8.
• Benveniste HD, Kim KR, Hedlund LW, Johnson GA, Friedman AH. Cerebral hemorrhage and edema following brain biopsy in rats: Significance of mean arterial blood pressure. ANESTHESIOLOGY. 1999 Sep 1;91(3A):U371–U371.
• Hurlston SE, Brey WW, Suddarth SA, Johnson GA. A high-temperature superconducting Helmholtz probe for microscopy at 9.4 T. Magn Reson Med. 1999 May;41(5):1032–8.
• Möller HE, Chawla MS, Chen XJ, Driehuys B, Hedlund LW, Wheeler CT, et al. Magnetic resonance angiography with hyperpolarized 129Xe dissolved in a lipid emulsion. Magn Reson Med. 1999 May;41(5):1058–64.
• Möller HE, Chen XJ, Chawla MS, Cofer GP, Driehuys B, Hedlund LW, et al. Sensitivity and resolution in 3D NMR microscopy of the lung with hyperpolarized noble gases. Magn Reson Med. 1999 Apr;41(4):800–8.
• Viallon M, Cofer GP, Suddarth SA, Möller HE, Chen XJ, Chawla MS, et al. Functional MR microscopy of the lung using hyperpolarized 3He. Magn Reson Med. 1999 Apr;41(4):787–92.
• Lester DS, Lyon RC, McGregor GN, Engelhardt RT, Schmued LC, Johnson GA, et al. 3-Dimensional visualization of lesions in rat brain using magnetic resonance imaging microscopy. Neuroreport. 1999 Mar 17;10(4):737–41.
• Miller JR, Hurlston SE, Ma QY, Face DW, Kountz DJ, MacFall JR, et al. Performance of a high-temperature superconducting probe for in vivo microscopy at 2.0 T. Magn Reson Med. 1999 Jan;41(1):72–9.
• Smith BR, Huff DS, Johnson GA. Magnetic resonance imaging of embryos: an Internet resource for the study of embryonic development. Comput Med Imaging Graph. 1999;23(1):33–40.
• Benveniste H, Qui H, Hedlund LW, Hüttemeier PC, Steele SM, Johnson GA. In vivo diffusion-weighted magnetic resonance microscopy of rat spinal cord: effect of ischemia and intrathecal hyperbaric 5% lidocaine. Reg Anesth Pain Med. 1999;24(4):311–8.
• Möller HE, Chen XJ, Chawla MS, Driehuys B, Hedlund LW, Johnson GA. Signal dynamics in magnetic resonance imaging of the lung with hyperpolarized noble gases. J Magn Reson. 1998 Nov;135(1):133–43.
• Chawla MS, Chen XJ, Möller HE, Cofer GP, Wheeler CT, Hedlund LW, et al. In vivo magnetic resonance vascular imaging using laser-polarized 3He microbubbles. Proc Natl Acad Sci U S A. 1998 Sep 1;95(18):10832–5.
• Qiu HH, Hedlund LW, Neuman MR, Edwards CR, Black RD, Cofer GP, et al. Measuring the progression of foreign-body reaction to silicone implants using in vivo MR microscopy. IEEE Trans Biomed Eng. 1998 Jul;45(7):921–7.
• Chen XJ, Chawla MS, Cofer GP, Hedlund LW, Möller HE, Johnson GA. Hyperpolarized 3He NMR lineshape measurements in the live guinea pig lung. Magn Reson Med. 1998 Jul;40(1):61–5.
• Smith BR, Sattuck MD, Hedlund LW, Johnson GA. Time-course imaging of rat embryos in utero with magnetic resonance microscopy (vol 39, pg 673, 1998). Magnetic Resonance In Medicine. 1998 Jun;39(6):CP2–CP2.
• Smith BR, Shattuck MD, Hedlund LW, Johnson GA. Time-course imaging of rat embryos in utero with magnetic resonance microscopy. Magn Reson Med. 1998 Apr;39(4):673–7.
• Delnomdedieu M, Hedlund LW, Maronpot RR, Johnson GA. Magnetic resonance microscopy and histopathology: comparative approach of bromobenzene-induced hepatotoxicity in the rat. Hepatology. 1998 Feb;27(2):526–32.
• Allan Johnson G, Hedlund L, MacFall J. A new window into the lung. Physics World. 1998 Jan 1;11(11):35–8.
• Levron D, Walter DK, Appelt S, Fitzgerald RJ, Kahn D, Korbly SE, et al. Magnetic resonance imaging of hyperpolarized 129Xe produced by spin exchange with diode-laser pumped Cs. Applied Physics Letters. 1998;73(18):2666–8.
• Smith BR, Sattuck MD, Hedlund LW, Johnson GA. Erratum: Time-course imaging of rat embryos in utero with magnetic resonance microscopy (Magnetic Resonance in Medicine (1998) 39 (673-677)). Magnetic Resonance in Medicine. 1998 Jan 1;39(6).
• Chen XJ, Chawla MS, Hedlund LW, Möller HE, MacFall JR, Johnson GA. MR microscopy of lung airways with hyperpolarized 3He. Magn Reson Med. 1998 Jan;39(1):79–84.
• Benveniste H, Qui H, Hedlund LW, D’Ercole F, Johnson GA. Spinal cord neural anatomy in rats examined by in vivo magnetic resonance microscopy. Reg Anesth Pain Med. 1998;23(6):589–99.
• Benveniste H, Einstein G, Kim KR, Allan Johnson G. Magnetic resonance microscopy of Alzheimer's disease: Senile plaques - A whiter shade of pale? NeuroImage. 1998 Jan 1;7(4 PART II).
• Zhou X, Liang ZP, Gewalt SL, Cofer GP, Lauterbur PC, Johnson GA. A fast spin echo technique with circular sampling. Magn Reson Med. 1998 Jan;39(1):23–7.
• Bcnveniste H, Hüttemeier PC, Qiu H, Steele S, Hedlund LW, Allan Johnson G. Magnetic resonance imaging of continuous spinal anesthesia with hyperbaric lidocaine: Root or white matter lesion? Regional Anesthesia. 1997 Dec 1;22(2 SUPPL.):15.
• Shattuck MD, Gewalt SL, Glover GH, Hedlund LW, Johnson GA. MR microimaging of the lung using volume projection encoding. Magn Reson Med. 1997 Dec;38(6):938–42.
• Qiu HH, Cofer GP, Hedlund LW, Johnson GA. Automated feedback control of body temperature for small animal studies with MR microscopy. IEEE Trans Biomed Eng. 1997 Nov;44(11):1107–13.
• Johnson GA, Cates G, Chen XJ, Cofer GP, Driehuys B, Happer W, et al. Dynamics of magnetization in hyperpolarized gas MRI of the lung. Magn Reson Med. 1997 Jul;38(1):66–71.
• Johnson GA, Benveniste H, Engelhardt RT, Qiu H, Hedlund LW. Magnetic resonance microscopy in basic studies of brain structure and function. Ann N Y Acad Sci. 1997 May 30;820:139–47.
• Vandemark RM, Fay ME, Porter FR, Johnson GA. Digital image-intensifier radiography at a level I trauma center. AJR Am J Roentgenol. 1997 Apr;168(4):944–6.
• Shattuck MD, Behringer RP, Johnson GA, Georgiadis JG. Convection and flow in porous media. Part 1. Visualization by magnetic resonance imaging. Journal of Fluid Mechanics. 1997 Feb 10;332:215–45.
• Qiu H, Hedlund LW, Gewalt SL, Benveniste H, Bare TM, Johnson GA. Progression of a focal ischemic lesion in rat brain during treatment with a novel glycine/NMDA antagonist: an in vivo three-dimensional diffusion-weighted MR microscopy study. J Magn Reson Imaging. 1997;7(4):739–44.
• McFall JS, Johnson GA. Root form and function meshed by MRI. PLANT PHYSIOLOGY. 1997;114(3):20002–20002.
• Chotas HG, Floyd CE, Johnson GA, Ravin CE. Quality control phantom for digital chest radiography. Radiology. 1997 Jan;202(1):111–6.
• Zimmer C, Wright SC, Engelhardt RT, Johnson GA, Kramm C, Breakefield XO, et al. Tumor cell endocytosis imaging facilitates delineation of the glioma-brain interface. Exp Neurol. 1997 Jan;143(1):61–9.
• Hurlston SE, Cofer GP, Johnson GA. Optimized radiofrequency coils for increased signal-to-noise ratio in magnetic resonance microscopy. International Journal of Imaging Systems and Technology. 1997 Jan 1;8(3):277–84.
• Chotas HG, Floyd CE, Johnson GA, Ravin CE. Quality control phantom for digital chest radiography. RADIOLOGY. 1996 Nov 1;201:685–685.
• Johnson GA, Hedlund LW. Functional imaging of the lung. Nat Med. 1996 Nov;2(11):1192.
• MacFall JR, Charles HC, Black RD, Middleton H, Swartz JC, Saam B, et al. Human lung air spaces: potential for MR imaging with hyperpolarized He-3. Radiology. 1996 Aug;200(2):553–8.
• Hall WL, Benveniste H, Hedlund LW, Johnson GA. A new in vivo method for quantitative analysis of stroke lesions using diffusion-weighted magnetic resonance microscopy. Neuroimage. 1996 Jun;3(3 Pt 1):158–66.
• Black RD, Middleton HL, Cates GD, Cofer GP, Driehuys B, Happer W, et al. In vivo He-3 MR images of guinea pig lungs. Radiology. 1996 Jun;199(3):867–70.
• Engelhardt RT, Johnson GA. T1 rho relaxation and its application to MR histology. Magn Reson Med. 1996 May;35(5):781–6.
• Delnomdedieu M, Hedlund LW, Johnson GA, Maronpot RR. Magnetic resonance microscopy--a new tool for the toxicologic pathologist. Toxicol Pathol. 1996;24(1):36–44.
• Johnson G, Thomson DJ, Wu EX, Williams SCR. Multiple-window spectrum estimation applied to in vivo NMR spectroscopy. Journal of Magnetic Resonance - Series B. 1996;110(2):138–49.
• Smith BR, Linney E, Huff DS, Johnson GA. Magnetic resonance microscopy of embryos. Comput Med Imaging Graph. 1996;20(6):483–90.
• Zhou X, Maronpot RR, Hedlund LW, Cofer GP, Johnson GA. Detection of bromobenzene-induced hepatocellular necrosis using magnetic resonance microscopy. Magn Reson Med. 1995 Dec;34(6):853–7.
• Feinberg DA, Johnson G. A methodology for co-registering abdominal MR images over multiple breath-holds. Magn Reson Med. 1995 Nov;34(5):770–4.
• Shattuck MD, Behringer RP, Johnson GA, Georgiadis JG. Onset and Stability of Convection in Porous Media: Visualization by Magnetic Resonance Imaging. Phys Rev Lett. 1995 Sep 4;75(10):1934–7.
• MACFALL IS, JOHNSON GA. 3-DIMENSIONAL ROOT-GROWTH, TURNOVER AND TRANSPORT AS SEEN WITH MAGNETIC-RESONANCE MICROSCOPY. PLANT PHYSIOLOGY. 1995 Jun 1;108(2):31–31.
• Summers RM, Hedlund LW, Cofer GP, Gottsman MB, Manibo JF, Johnson GA. MR microscopy of the rat carotid artery after balloon injury by using an implanted imaging coil. Magn Reson Med. 1995 Jun;33(6):785–9.
• Middleton H, Black RD, Saam B, Cates GD, Cofer GP, Guenther R, et al. MR imaging with hyperpolarized 3He gas. Magn Reson Med. 1995 Feb;33(2):271–5.
• Black RD, Early TA, Johnson GA. Performance of a High-Temperature Superconducting Resonator for High-Field Imaging. Journal of Magnetic Resonance, Series A. 1995 Jan 1;113(1):74–80.
• Arnder L, Zhou X, Cofer GP, Hedlund LW, Johnson GA. Magnetic resonance microscopy of the rat carotid artery at 300 megahertz. Invest Radiol. 1994 Sep;29(9):822–6.
• Mellin AF, Cofer GP, Smith BR, Suddarth SA, Hedlund LW, Johnson GA. Three dimensional magnetic resonance microangiography of rat neurovasculature. Magn Reson Med. 1994 Aug;32(2):199–205.
• Zhou X, Maronpot RR, Cofer GP, Hedlund LW, Johnson GA. Studies on bromobenzene-induced hepatotoxicity using in vivo MR microscopy with surgically implanted RF coils. Magn Reson Med. 1994 Jun;31(6):619–27.
• Henson MM, Henson OW, Gewalt SL, Wilson JL, Johnson GA. Imaging the cochlea by magnetic resonance microscopy. Hear Res. 1994 May;75(1–2):75–80.
• Hsu JC, Johnson GA, Smith WM, Reimer KA, Ideker RE. Magnetic resonance imaging of chronic myocardial infarcts in formalin-fixed human autopsy hearts. Circulation. 1994 May;89(5):2133–40.
• Smith BR, Johnson GA, Groman EV, Linney E. Magnetic resonance microscopy of mouse embryos. Proc Natl Acad Sci U S A. 1994 Apr 26;91(9):3530–3.
• Boyko OB, Alston SR, Fuller GN, Hulette CM, Johnson GA, Burger PC. Utility of postmortem magnetic resonance imaging in clinical neuropathology. Arch Pathol Lab Med. 1994 Mar;118(3):219–25.
• MacFall JS, Johnson GA. The architecture of plant vasculature and transport as seen with magnetic resonance microscopy. Canadian Journal of Botany. 1994 Jan 1;72(11):1561–73.
• MACFALL JS, JOHNSON GA. NONDESTRUCTIVE, 3-DIMENSIONAL STUDY OF ROOT-GROWTH WITH MAGNETIC-RESONANCE MICROSCOPY (MRM). In: Vozzo JA, editor. RESEARCH AND APPLICATIONS OF CHEMICAL SCIENCES IN FORESTRY. US DEPT AGR, FOREST SERV SO FOREST EXPT STN; 1994. p. 18–18.
• MACFALL JS, SPAINE PC, DOUDRICK RE, JOHNSON GA. MAGNETIC-RESONANCE MICROSCOPY (MRM) OF WATER TRANSPORT AND BINDING IN FUSIFORM RUST GALLS. In: Vozzo JA, editor. RESEARCH AND APPLICATIONS OF CHEMICAL SCIENCES IN FORESTRY. US DEPT AGR, FOREST SERV SO FOREST EXPT STN; 1994. p. 17–17.
• SPAINE P, MACFALL JS, JOHNSON GA. MAGNETIC-RESONANCE MICROSCOPY OF WATER-MOVEMENT THROUGH FUSIFORM RUST GALLS OF PINE. In: RESEARCH AND APPLICATIONS OF CHEMICAL SCIENCES IN FORESTRY. 1994. p. 11–6.
• MacFall JS, Spaine P, Doudrick R, Johnson GA. Alterations in growth and water-transport processes in fusiform rust galls of pine, determined by magnetic resonance microscopy. Phytopathology. 1994 Jan 1;84(3):288–93.
• Smith WM, Hsu JCM, Johnson GA, Reimer KA, Ideker RE. Detection of infarcted tissue the heart by magnetic resonance imaging. Proceedings of the Annual Conference on Engineering in Medicine and Biology. 1993 Dec 1;15(pt 1):485–6.
• Beaulieu CF, Zhou X, Cofer GP, Johnson GA. Diffusion-weighted MR microscopy with fast spin-echo. Magn Reson Med. 1993 Aug;30(2):201–6.
• Zhou X, Cofer GP, Suddarth SA, Johnson GA. High-field MR microscopy using fast spin-echoes. Magn Reson Med. 1993 Jul;30(1):60–7.
• Johnson GA, Benveniste H, Black RD, Hedlund LW, Maronpot RR, Smith BR. Histology by magnetic resonance microscopy. Magn Reson Q. 1993 Mar;9(1):1–30.
• Black RD, Early TA, Roemer PB, Mueller OM, Mogro-Campero A, Turner LG, et al. A high-temperature superconducting receiver for nuclear magnetic resonance microscopy. Science. 1993 Feb 5;259(5096):793–5.
• BENVENISTE H, JOHNSON GA, KOZNIEWSKA E, MAIESE K, NARITOMI H, POVLISHOCK JT, et al. EXCITOTOXICITY AND ISCHEMIA IN THE RAT-BRAIN STUDIED IN-VIVO WITH HIGH-RESOLUTION MAGNETIC-RESONANCE-IMAGING. In: Tomita M, Mchedlishvili F, Rosenblum W, Heiss WD, Fukuuchi Y, editors. MICROCIRCULATORY STASIS IN THE BRAIN. ELSEVIER SCIENCE PUBL B V; 1993. p. 369–76.
• VERES JS, COFER GP, JOHNSON GA. Magnetic resonance imaging of leaves. New Phytologist. 1993 Jan 1;123(4):769–74.
• Huesgen CT, Burger PC, Crain BJ, Johnson GA. In vitro MR microscopy of the hippocampus in Alzheimer's disease. Neurology. 1993 Jan;43(1):145–52.
• Gewalt SL, Glover GH, Hedlund LW, Cofer GP, MacFall JR, Johnson GA. MR microscopy of the rat lung using projection reconstruction. Magn Reson Med. 1993 Jan;29(1):99–106.
• Zhou X, Liang ZP, Cofer GP, Beaulieu CF, Suddarth SA, Johnson GA. Reduction of ringing and blurring artifacts in fast spin-echo imaging. J Magn Reson Imaging. 1993;3(5):803–7.
• Macfall JS, Pfeffer PE, Rolin DB, Macfall JR, Johnson GA. Observation of the Oxygen Diffusion Barrier in Soybean (Glycine max) Nodules with Magnetic Resonance Microscopy. Plant Physiol. 1992 Dec;100(4):1691–7.
• Brouwer M, Engel DW, Bonaventura J, Johnson GA. In vivo magnetic resonance imaging of the blue crab, Callinectes sapidus: effect of cadmium accumulation in tissues on proton relaxation properties. J Exp Zool. 1992 Aug 1;263(1):32–40.
• Benveniste H, Hedlund LW, Johnson GA. Mechanism of detection of acute cerebral ischemia in rats by diffusion-weighted magnetic resonance microscopy. Stroke. 1992 May;23(5):746–54.
• Banson ML, Cofer GP, Black R, Johnson GA. A probe for specimen magnetic resonance microscopy. Invest Radiol. 1992 Feb;27(2):157–64.
• Smith BR, Effmann EL, Johnson GA. MR microscopy of chick embryo vasculature. J Magn Reson Imaging. 1992;2(2):237–40.
• Banson ML, Cofer GP, Hedlund LW, Johnson GA. Surface coil imaging of rat spine at 7.0 T. Magn Reson Imaging. 1992;10(6):929–34.
• Veres JS, Cofer GP, Johnson GA. Distinguishing Plant Tissues with Magnetic Resonance Microscopy. American Journal of Botany. 1991 Dec;78(12):1704–1704.
• Shattuck M, Behringer R, Geordiadis J, Johnson GA. Magnetic resonance imaging of interstitial velocity distributions in porous media. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. 1991 Dec 1;125:39–45.
• Chotas HG, Van Metter RL, Johnson GA, Ravin CE. Small object contrast in AMBER and conventional chest radiography. Radiology. 1991 Sep;180(3):853–9.
• MacFall JR, Maki JH, Johnson GA, Hedlund LW, Cofer GP. Pre- and postmortem diffusion coefficients in rat neural and muscle tissues. Magn Reson Med. 1991 Jul;20(1):89–99.
• Johnson GA, Maki JH. In vivo measurement of proton diffusion in the presence of coherent motion. Invest Radiol. 1991 Jun;26(6):540–5.
• MacFall JR, Maki JH, Johnson GA, Hedlund L, Benveniste H, Copher G. Diffusion/microcirculation MRI in the rat brain. Magn Reson Med. 1991 Jun;19(2):305–10.
• Hedlund LW, Maronpot RR, Johnson GA, Cofer GP, Mills GI, Wheeler CT. Magnetic resonance microscopy of toxic renal injury induced by bromoethylamine in rats. Fundam Appl Toxicol. 1991 May;16(4):787–97.
• Suddarth SA, Johnson GA. Three-dimensional MR microscopy with large arrays. Magn Reson Med. 1991 Mar;18(1):132–41.
• Benveniste H, Cofer GP, Piantadosi CA, Davis JN, Johnson GA. Quantitative proton magnetic resonance imaging in focal cerebral ischemia in rat brain. Stroke. 1991 Feb;22(2):259–68.
• Shattuck M, Behringer R, Geordiadis J, Johnson GA. Magnetic resonance imaging of interstitial velocity distributions in porous media. 1991 Jan 1;
• Shattuck M, Behringer R, Geordiadis J, Johnson GA. Magnetic resonance imaging of interstitial velocity distributions in porous media. 1991 Jan 1;
• BAXTER GW, LEONE R, JOHNSON GA, BEHRINGER RP. TIME-DEPENDENCE, SCALING AND PATTERN-FORMATION FOR FLOWING SAND. EUROPEAN JOURNAL OF MECHANICS B-FLUIDS. 1991 Jan 1;10(2):181–6.
• Maki JH, Benveniste H, MacFall JR, Piantadosi CA, Johnson GA. MR imaging of microcirculation in rat brain: correlation with carbon dioxide-induced changes in blood flow. J Magn Reson Imaging. 1991;1(6):673–81.
• Malisch TW, Hedlund LW, Suddarth SA, Johnson GA. MR microscopy at 7.0 T: effects of brain iron. J Magn Reson Imaging. 1991;1(3):301–5.
• Maki JH, Benveniste H, MacFall JR, Johnson GA. Maximization of contrast-to-noise ratio to distinguish diffusion and microcirculatory flow. J Magn Reson Imaging. 1991;1(1):39–46.
• Veres JS, Johnson GA, Kramer PJ. In vivo Magnetic Resonance Imaging of Blechnum Ferns: Changes in T1 and N (H) During Dehydration and Rehydration. American Journal of Botany. 1991 Jan;78(1):80–80.
• Hedlund LW, Maronpot RR, Johnson GA, Cofer GP, Mills GI, Wheeler CT. Magnetic resonance microscopy of toxic renal injury induced by Bromoethylamine in rats. Toxicological Sciences. 1991 Jan 1;16(4):787–97.
• MACFALL JS, JOHNSON GA, KRAMER PJ. Comparative water uptake by roots of different ages in seedlings of loblolly pine (Pinus taeda L.). New Phytologist. 1991 Jan 1;119(4):551–60.
• Maki JH, MacFall JR, Johnson GA. The use of gradient flow compensation to separate diffusion and microcirculatory flow in MRI. Magn Reson Med. 1991 Jan;17(1):95–107.
• Brown JM, Kramer PJ, Cofer GP, Johnson GA. Use of nuclear magnetic resonance microscopy for noninvasive observations of root-soil water relations. Theoretical and Applied Climatology. 1990 Dec 1;42(4):229–36.
• MacFall JR, Benveniste H, Maki J, Johnson GA, Hedlund L, Copher G. MR diffusion measurements in stroke models in rat brains. Proceedings of the Annual Conference on Engineering in Medicine and Biology. 1990 Dec 1;(pt 1):67–8.
• Cassel DK, Brown JM, Johnson GA. Computer tomographic analysis of water distribution and flow in porous media. Theoretical and Applied Climatology. 1990 Dec 1;42(4):223–8.
• Farmer TH, Cofer GP, Johnson GA. Maximizing contrast to noise with inductively coupled implanted coils. Invest Radiol. 1990 May;25(5):552–8.
• MacFall JS, Johnson GA, Kramer PJ. Observation of a water-depletion region surrounding loblolly pine roots by magnetic resonance imaging. Proc Natl Acad Sci U S A. 1990 Feb 1;87(3):1203–7.
• Johnson GA, Chotas HG, Suddarth SA, Ziv SB, Todd BE. Integrated network for medical imaging research. Proceedings of SPIE - The International Society for Optical Engineering. 1990;1234 pt 1:159–66.
• Stern RL, Johnson GA, Ravin CE. Magnetic resonance imaging of the thoracic cavity using a paused 3DFT acquisition technique. Magn Reson Imaging. 1990;8(6):747–53.
• Sherrier RH, Chotas HG, Johnson GA, Chiles C, Ravin CE. Image optimization in a computed-radiography/photostimulable-phosphor system. J Digit Imaging. 1989 Nov;2(4):212–9.
• Dockery SE, Suddarth SA, Johnson GA. Relaxation measurements at 300 MHz using MR microscopy. Magn Reson Med. 1989 Aug;11(2):182–92.
• Johnson GA, Thompson MB, Cofer GP, Campen D, Maronpot RR. Magnetic resonance imaging of hepatic neoplasms in the rat. Vet Pathol. 1989 Jul;26(4):303–8.
• Baxter GW, Behringer RP, Fagert T, Johnson GA. Pattern formation in flowing sand. Phys Rev Lett. 1989 Jun 12;62(24):2825–8.
• Farmer TH, Johnson GA, Cofer GP, Maronpot RR, Dixon D, Hedlund LW. Implanted coil MR microscopy of renal pathology. Magn Reson Med. 1989 Jun;10(3):310–23.
• Stern RL, Cline HE, Johnson GA, Ravin CE. Three-dimensional imaging of the thoracic cavity. Invest Radiol. 1989 Apr;24(4):282–8.
• Cline HE, Lorensen WE, Herfkens RJ, Johnson GA, Glover GH. Vascular morphology by three-dimensional magnetic resonance imaging. Magn Reson Imaging. 1989;7(1):45–54.
• Cofer GP, Brown JM, Allan Johnson G. In vivo magnetic resonance microscopy at 5 μm. Journal of Magnetic Resonance (1969). 1989 Jan 1;83(3):608–16.
• Johnson GA, Maronpot RR. Magnetic resonance microscopy of chemically-induced liver foci. Toxicol Pathol. 1989;17(4 Pt 1):613–6.
• Maynor CH, Charles HC, Herfkens RJ, Suddarth SA, Johnson GA. Chemical shift imaging of atherosclerosis at 7.0 Tesla. Invest Radiol. 1989 Jan;24(1):52–60.
• Matyac CA, Cofer GP, Bailey JE, Johnson GA. In Situ Observations of Root-gall Formation Using Nuclear Magnetic Resonance Imaging. J Nematol. 1989 Jan;21(1):131–4.
• MAKI JH, COFER GP, HEDLUND LW, MACFALL JR, JOHNSON GA. MR MICROSCOPY USING DRIVEN EQUILIBRIUM (DEFT). INVESTIGATIVE RADIOLOGY. 1988 Sep 1;23(9):S21–S21.
• Brown JM, Thomas JF, Cofer GP, Johnson GA. Magnetic Resonance Microscopy of Stem Tissues of Pelargonium hortorum. Botanical Gazette. 1988 Sep;149(3):253–9.
• MAYNOR CH, CHARLES HC, HERFKENS RJ, SUDDARTH SA, JOHNSON GA. INVITRO CHEMICAL-SHIFT IMAGING OF ATHEROSCLEROSIS AT 7.0-TESLA. INVESTIGATIVE RADIOLOGY. 1988 Sep 1;23(9):S3–S3.
• STERN RL, CLINE HE, JOHNSON GA, RAVIN CE. DEVELOPMENT OF A 3D RECONSTRUCTED-IMAGE SURGICAL PLANNING STATION. INVESTIGATIVE RADIOLOGY. 1988 Sep 1;23(9):S60–S60.
• DOCKERY S, SUDDARTH SA, COFER GP, JOHNSON GA. THE IMPACT OF INCREASED SPIN-LATTICE RELAXATION-TIME MICROSCOPY AT 7.0T. INVESTIGATIVE RADIOLOGY. 1988 Sep 1;23(9):S20–S20.
• FARMER THR, JOHNSON GA, COFER GP, MARONPOT RR, HEDLUND LW. MR MICROSCOPY OF NEPHROTOXIC ACUTE TUBULAR-NECROSIS IN THE RAT. INVESTIGATIVE RADIOLOGY. 1988 Sep 1;23(9):S10–S10.
• Sherrier RH, Suddarth SA, Johnson GA. Film-Based Digital Tomosynthesis Of The Chest. Optical Engineering. 1988 Aug 1;27(8).
• Effmann EL, Johnson GA, Smith BR, Talbott GA, Cofer G. Magnetic resonance microscopy of chick embryos in ovo. Teratology. 1988 Jul;38(1):59–65.
• Spritzer CE, Vogler JB, Martinez S, Garrett WE, Johnson GA, McNamara MJ, et al. MR imaging of the knee: preliminary results with a 3DFT GRASS pulse sequence. AJR Am J Roentgenol. 1988 Mar;150(3):597–603.
• Sherrier RH, Chiles C, Wilkinson WE, Johnson GA, Ravin CE. Effects of image processing on nodule detection rates in digitized chest radiographs: ROC study of observer performance. Radiology. 1988 Feb;166(2):447–50.
• Conner WE, Johnson GA, Cofer GP, Dittrich K. Magnetic resonance microscopy: in vivo sectioning of a developing insect. Experientia. 1988 Jan 15;44(1):11–2.
• Maki JH, Johnson GA, Cofer GP, MacFall JR. SNR improvement in NMR microscopy using DEFT. Journal of Magnetic Resonance (1969). 1988 Jan 1;80(3):482–92.
• Dixon D, Johnson GA, Cofer GP, Hedlund LW, Maronpot RR. Magnetic resonance imaging (MRI): a new tool in experimental toxicologic pathology. Toxicol Pathol. 1988;16(3):386–91.
• Hollett MD, Cofer GP, Johnson GA. In situ magnetic resonance microscopy. Invest Radiol. 1987 Dec;22(12):965–8.
• Drayer BP, Burger P, Hurwitz B, Dawson D, Cain J, Leong J, et al. Magnetic resonance imaging in multiple sclerosis: decreased signal in thalamus and putamen. Ann Neurol. 1987 Oct;22(4):546–50.
• BROWN JM, KRAMER PJ, COFER GP, JOHNSON GA. MAGNETIC-RESONANCE-IMAGING OF ROOT-WATER DISTRIBUTION. HORTSCIENCE. 1987 Oct 1;22(5):1087–1087.
• Hedlund L, Cofer G, Suddarth S, Johnson GA. 177. SMALL ANIMAL ANESTHESIA AND MONITORING DURING EXTENDED MR MICROSCOPY. Investigative Radiology. 1987 Sep;22(9):S44–S44.
• Johnson GA, Brown J, Kramer PJ. Magnetic resonance microscopy of changes in water content in stems of transpiring plants. Proc Natl Acad Sci U S A. 1987 May;84(9):2752–5.
• JOHNSON GA. RESOLUTION LIMITS IN MR - MR MICROSCOPY. MEDICAL PHYSICS. 1987 May 1;14(3):499–499.
• EFFMANN EL, JOHNSON GA, SMITH BR, TALBOTT GA, COFER G. MAGNETIC-RESONANCE MICROSCOPY OF LIVE CHICK-EMBRYOS IN OVO. TERATOLOGY. 1987 Apr 1;35(2):A44–A44.
• Johnson GA, Thompson MB, Drayer BP. Three-dimensional MRI microscopy of the normal rat brain. Magn Reson Med. 1987 Apr;4(4):351–65.
• Sherrier RH, Chiles C, Johnson GA, Ravin CE. Differentiation of benign from malignant pulmonary nodules with digitized chest radiographs. Radiology. 1987 Mar;162(3):645–9.
• Utz JA, Herfkens RJ, Johnson CD, Shimakawa A, Pelc N, Glover G, et al. Two-second MR images: comparison with spin-echo images in 29 patients. AJR Am J Roentgenol. 1987 Mar;148(3):629–33.
• Stude RA, Hedlund LW, Johnson GA, Thompson WM. Contrast enhancement of the liver. Evaluation by automated contiguous pixel search. Invest Radiol. 1987 Feb;22(2):132–6.
• Brown JM, Fonteno WC, Cassel DK, Johnson GA. COMPUTED TOMOGRAPHIC ANALYSES OF WATER DISTRIBUTION IN THREE POROUS FOAM MEDIA. Soil Science Society of America Journal. 1987 Jan 1;51(5):1121–5.
• Karis JP, Allan Johnson G, Glover GH. Signal-to-noise improvements in three-dimensional NMR microscopy using limited-angle excitation. Journal of Magnetic Resonance (1969). 1987 Jan 1;71(1):24–33.
• Fram EK, Herfkens RJ, Johnson GA, Glover GH, Karis JP, Shimakawa A, et al. Rapid calculation of T1 using variable flip angle gradient refocused imaging. Magn Reson Imaging. 1987;5(3):201–8.
• Suddarth SA, Johnson GA, Sherrier RH, Ravin CE. Performance of high-resolution monitors for digital chest imaging. Med Phys. 1987;14(2):253–7.
• MacFall JR, Wehrli FW, Breger RK, Johnson GA. Methodology for the measurement and analysis of relaxation times in proton imaging. Magn Reson Imaging. 1987;5(3):209–20.
• Sherrier RH, Johnson GA. Regionally adaptive histogram equalization of the chest. IEEE Trans Med Imaging. 1987;6(1):1–7.
• McAdams HP, Johnson GA, Suddarth SA, Sherrier RH, Ravin CE. IMPLEMENTATION OF ADAPTIVE FILTRATION FOR DIGITAL CHEST IMAGING. Optical Engineering. 1987 Jan 1;26(7):669–74.
• Sherrier RH, Johnson GA. REGIONALLY ADAPTIVE HISTOGRAM EQUALIZATION OF THE CHEST. IEEE Transactions on Medical Imaging. 1987;MI–6(1):1–7.
• Brown JM, Johnson GA, Kramer PJ. In Vivo Magnetic Resonance Microscopy of Changing Water Content in Pelargonium hortorum Roots. Plant Physiol. 1986 Dec;82(4):1158–60.
• Hedlund LW, Johnson GA, Mills GI. Magnetic resonance microscopy of the rat thorax and abdomen. Invest Radiol. 1986 Nov;21(11):843–6.
• JOHNSON GA, BAILEY JE, BRUCK RI, MATYAC CA. STUDIES OF DISEASED ROOT-TISSUE USING NUCLEAR-MAGNETIC-RESONANCE IMAGING. PHYTOPATHOLOGY. 1986 Oct 1;76(10):1067–1067.
• Bone SN, Johnson GA, Thompson MB. Three-dimensional magnetic resonance microscopy of the developing chick embryo. Invest Radiol. 1986 Oct;21(10):782–7.
• JOHNSON GA, THOMPSON MB, DRAYER BP. 3-DIMENSIONAL MRI MICROSCOPY OF THE RAT-BRAIN. INVESTIGATIVE RADIOLOGY. 1986 Sep 1;21(9):S25–S25.
• BONE SN, JOHNSON GA, THOMPSON MB. MRI MICROSCOPY OF THE DEVELOPING CHICK-EMBRYO. INVESTIGATIVE RADIOLOGY. 1986 Sep 1;21(9):S34–S34.
• KARIS JP, GLOVER GH, JOHNSON GA. VARIANT ANGLE GRADIENT REFOCUSING IN 3-DIMENSIONAL MRI MICROSCOPY. INVESTIGATIVE RADIOLOGY. 1986 Sep 1;21(9):S34–S34.
• Hedlund L, Johnson GA. 53 MAGNETIC RESONANCE IMAGING OF THE RAT THORAX AND ABDOMEN. Investigative Radiology. 1986 Sep;21(9):S14–S14.
• Drayer B, Burger P, Darwin R, Riederer S, Herfkens R, Johnson GA. MRI of brain iron. AJR Am J Roentgenol. 1986 Jul;147(1):103–10.
• DRAYER B, BURGER P, DARWIN R, RIEDERER S, HERFKENS R, JOHNSON GA. MAGNETIC-RESONANCE-IMAGING OF BRAIN IRON. AMERICAN JOURNAL OF NEURORADIOLOGY. 1986 May 1;7(3):373–80.
• DRAYER B, BURGER P, CAIN J, LEONG J, JOHNSON GA, HEINZ ER, et al. MR IMAGING AND PERLS STAIN OF BASAL GANGLIA IRON WITH NORMAL AGING. AMERICAN JOURNAL OF NEURORADIOLOGY. 1986 May 1;7(3):554–5.
• Drayer BP, Olanow W, Burger P, Johnson GA, Herfkens R, Riederer S. Parkinson plus syndrome: diagnosis using high field MR imaging of brain iron. Radiology. 1986 May;159(2):493–8.
• McAdams HP, Johnson GA, Suddarth SA, Ravin CE. Histogram-directed processing of digital chest images. Invest Radiol. 1986 Mar;21(3):253–9.
• Hedlund LW, Johnson GA, Karis JP, Effmann EL. MR "microscopy" of the rat thorax. J Comput Assist Tomogr. 1986;10(6):948–52.
• Johnson GA, Thompson MB, Gewalt SL, Hayes CE. Nuclear magnetic resonance imaging at microscopic resolution. Journal of Magnetic Resonance (1969). 1986;68(1):129–37.
• Johnson GA, Thompson MB, Drayer BP, Bone SN. Magnetic resonance microscopy in neurologic models. Acta Radiol Suppl. 1986;369:267–8.
• Sherrier RH, Johnson GA, Suddarth SA, Chiles C, Hulka C, Ravin CE. Digital synthesis of lung nodules. Invest Radiol. 1985 Dec;20(9):933–7.
• McAdams HP, Johnson GA, Suddarth SA, Ravin CE. 105 Optimization of Adaptive Filtration for Digital Chest Imaging. Investigative Radiology. 1985 Sep;20(6):S27–S27.
• MCADAMS HP, JOHNSON GA, SUDDARTH SA, RAVIN CE. 71 HISTOGRAM DIRECTED PROCESSING OF DIGITAL CHEST IMAGES. Investigative Radiology. 1985 Sep;20(6):S18–S18.
• Blinder RA, Herfkens RJ, Johnson GA, Coleman RE. 121 SURFACE COIL MOTION ARTIFACTS IN MR IMAGING. Investigative Radiology. 1985 Sep;20(6):S31–S31.
• Johnson GA, Herfkens RJ, Brown MA. Tissue relaxation time: in vivo field dependence. Radiology. 1985 Sep;156(3):805–10.
• Johnson GA, Danieley N, Ravin CE. Processing alternatives for digital chest imaging. Radiol Clin North Am. 1985 Jun;23(2):335–40.
• SHERRIER RH, CHILES C, SUDDARTH SA, JOHNSON GA, RAVIN CE. EVALUATION OF COMPUTER SYNTHESIZED PULMONARY NODULES. INVESTIGATIVE RADIOLOGY. 1985 Jan 1;20(6):S27–S27.
• WINTER TC, JOHNSON GA, MACFALL JR. PRECISION AND ACCURACY IN THE MEASUREMENT OF T1 ON AN IMAGING-SYSTEM. INVESTIGATIVE RADIOLOGY. 1985 Jan 1;20(6):S14–S14.
• BLINDER RA, HERFKENS RJ, COLEMAN RE, JOHNSON GA, SCHENCK JF, HART HR, et al. HIGH-RESOLUTION MRI IMAGING AT 1.5T USING SURFACE COILS. JOURNAL OF NUCLEAR MEDICINE. 1985;26(5):P8–P8.
• Sostman HD, Gore JC, Flye MW, Johnson GA, Herfkens RJ. Time course and mechanism of alterations in proton relaxation during liver regeneration in the rat. Hepatology. 1985;5(4):538–43.
• Herfkens RJ, Johnson GA. Magnetic resonance imaging at high-strength magnetic fields. Magn Reson Annu. 1985;197–215.
• SHERRIER RH, SUDDARTH SA, JOHNSON GA, RAVIN CE. AUTOMATED OBSERVER STUDIES ON A DIGITAL CHEST SYSTEM. INVESTIGATIVE RADIOLOGY. 1985 Jan 1;20(6):S18–S18.
• Godwin JD, Pelc NJ, Johnson GA, Fram EK, C R. 106. PROGRESS IN ECG-GATED CT. Investigative Radiology. 1984 Sep;19(5):S27–S27.
• Stude R, Hedlund L, Johnson GA, Thompson WM. 159. A CT EVALUATION OF THREE HEPATOBILIARY CONTRAST AGENTS. Investigative Radiology. 1984 Sep;19(5):S40–S40.
• Johnson GA, Herfkens RJ, MacFall JR. 129. IN VIVO FIELD DEPENDENCE OF TISSUE RELAXATION TIMES. Investigative Radiology. 1984 Sep;19(5):S33–S33.
• Sherrier RH, Johnson GA, Ravin CE, Suddarth SA. 194. DIGITAL SYNTHESIS OF LUNG NODULES. Investigative Radiology. 1984 Sep;19(5):S49–S49.
• Herfkens RJ, Johnson GA, Glover G. 166. IN VIVO CHEMICAL SHIFT IMAGING OF HYDROGEN. Investigative Radiology. 1984 Sep;19(5):S42–S42.
• HAYES CE, JOHNSON GA, HERFKENS RJ. DESIGN CONSIDERATIONS FOR SMALL ANIMAL IMAGING IN A LARGE BORE MRI SYSTEM. INVESTIGATIVE RADIOLOGY. 1984 Jan 1;19(5):S25–S25.
• DRAYER BP, HERFKENS RJ, JOHNSON GA, HEINZ ER, YEATES AE. HIGH-FIELD NMR IMAGING (1.5T) IN A HOSPITAL ENVIRONMENT. AMERICAN JOURNAL OF NEURORADIOLOGY. 1984;5(5):669–669.
• HEINZ ER, HERFKINS R, JOHNSON GA, DRAYER BP. CAROTID-ARTERY IMAGING BY A 1.5-T MR SYSTEM. AMERICAN JOURNAL OF NEURORADIOLOGY. 1984 Jan 1;5(5):670–670.
• BROWN MA, JOHNSON GA. VARIABLE FIELD STUDIES OF POTENTIAL PARAMAGNETIC NMR CONTRAST AGENTS. MAGNETIC RESONANCE IN MEDICINE. 1984;1(2):119–20.
• Brown MA, Johnson GA. Transition metal-chelate complexes as relaxation modifiers in nuclear magnetic resonance. Med Phys. 1984;11(1):67–72.
• Godwin JD, Johnson GA, Fram EK. A phantom for testing ECG-gated computed tomography of the heart. Invest Radiol. 1984;19(4):279–83.
• Johnson GA, Suddarth S, Dunnick NR. A system for digital videodensitometry. Proceedings of SPIE - The International Society for Optical Engineering. 1983 Dec 13;419:222–7.
• Johnson GA, Ravin CE. A survey of digital chest radiography. Radiol Clin North Am. 1983 Dec;21(4):655–64.
• Thompson WM, Stude R, Bates M, Hedlund L, Johnson GA. CONTRAST ENHANCEMENT OF THE LIVER DURING CT. Investigative Radiology. 1983 Jul;18(4):S11–S11.
• Silverman PM, Johnson GA, Korobkin M. High-resolution sagittal and coronal reformatted CT images of the larynx. AJR Am J Roentgenol. 1983 Apr;140(4):819–22.
• Thompson WM, Halvorsen RA, Gedgaudas RK, Kelvin FM, Rice RP, Woodfield S, et al. High kVp vs. low kVp for T-tube and operative cholangiography. Radiology. 1983 Mar;146(3):635–42.
• Ravin CE, Johnson GA. The 'optimal' chest radiograph. Seminars in Respiratory Medicine. 1983 Jan 1;5(1):1–14.
• JOHNSON GA, DANIELEY N, SUDDARTH S, DUNNICK NR. A SYSTEM FOR DIGITAL VIDEODENSITOMETRY. AMERICAN JOURNAL OF ROENTGENOLOGY. 1983;141(6):1360–1.
• Godwin JD, Johnson GA, Fram EK. Testing electrocardiographically-gated ct of the heart with a motion phantom. Investigative Radiology. 1983;18(4):S33–S33.
• Johnson GA. Practical approach to quality assurance in computed tomography. Proceedings of SPIE - The International Society for Optical Engineering. 1982 Dec 29;347:148–54.
• Silverman PM, Korobkin M, Thompson WM, Johnson GA, Cole TB, Fisher SR. Work in progress: high-resolution, thin-section computed tomography of the larynx. Radiology. 1982 Dec;145(3):723–5.
• Johnson GA, Godwin JD, Fram EK. Gated multiplanar cardiac computed tomography. Radiology. 1982 Oct;145(1):195–7.
• Johnson GA, Korobkin M. Image techniques for multiplanar computed tomography. Radiology. 1982 Sep;144(4):829–34.
• Halvorsen RA, Woodfield S, Hedlund L, Johnson GA, Thompson WM. CONTRAST ENHANCEMENT OF THE HEPATOBILIARY SYSTEM DURING CT. Investigative Radiology. 1982 Jul;17(4):S27–S27.
• Silverman PM, Johnson GA, Korobkin M, Thompson WM. HIGH RESOLUTION MULTIPLANAR CT IMAGES OF THE LARYNX. Investigative Radiology. 1982 Jul;17(4):S34–S34.
• Godwin JD, Speckman JM, Fram EK, Johnson GA, Putman CE, Korobkin M, et al. Distinguishing benign from malignant pulmonary nodules by computed tomography. Radiology. 1982 Jul;144(2):349–51.
• JOHNSON GA. A PRACTICAL APPROACH TO QUALITY ASSURANCE IN CT. AMERICAN JOURNAL OF ROENTGENOLOGY. 1982;139(2):427–427.
• Ford KK, Heinz ER, Johnson GA, Drayer BD, Dubois PJ. Low-cost digital subtraction angiography. AJNR Am J Neuroradiol. 1982;3(4):448–51.
• Silverman PM, Johnson GA, Korobkin M, Thompson WM. High-resolution multiplanar CT images of the larynx. Invest Radiol. 1982;17(6):634–7.
• Ford KK, Heinz ER, Johnson GA, Drayer BP, Dubois PJ. Low-cost digital subtraction. American Journal Of Neuroradiology. 1982;3(1):99–99.
• Nelson CE, Johnson GA, Bentel G. MULTI-PLANAR RECONSTRUCTION–APPLICATIONS IN RADIATION ONCOLOGY TREATMENT PLANNING. Investigative Radiology. 1981 Sep;16(5):417–417.
• Halvorsen RA, Woodfield S, T. R, Allen SM, Hedlung LW, Johnson GA, et al. AN EVALUATION OF CONTRAST AGENTS FOR CT OF THE HEPATOBILIARY SYSTEM. Investigative Radiology. 1981 Sep;16(5):387–387.
• KOROBKIN M, JOHNSON GA, BREIMAN RS. METHODOLOGIC CONSIDERATIONS IN MULTIPLANAR REFORMATTING OF TRANSAXIAL CT IMAGES. Investigative Radiology. 1981 Sep;16(5):374–374.
• Johnson GA, Nelson CE, OʼFoghludha F. IMAGING LIMITS IN DIGITAL RADIOGRAPHY. Investigative Radiology. 1981 Sep;16(5):377–377.
• Johnson GA, Korobkin M, Heinz ER. Evaluation of multiplanar imaging capabilities of four current computed tomography (CT) scanners. Proceedings of SPIE - The International Society for Optical Engineering. 1981 Jul 16;273:318–25.
• Johnson GA, Ford K, Heinz R. Digital radiography using the quantex ds-20. Proceedings of SPIE - The International Society for Optical Engineering. 1981 Jul 16;273:114–9.
• O’Foghludha F, Johnson GA. Voltage waveform effects on output and penetration of W- and Mo-anode mammographic tubes. Phys Med Biol. 1981 Mar;26(2):291–303.
• Johnson GA, Ravin CE. Effect of vertical cassette holder design and construction on scatter-to-primary radiation ratios. Radiology. 1981 Feb;138(2):461–4.
• Hedlund LW, Jones DP, Effmann EL, Johnson GA, Bates WM, Beck JW, et al. A computed tomographic study of the dog lung during hemorrhagic shock and after resuscitation. Invest Radiol. 1981;16(6):466–72.
• JOHNSON GA, KOROBKIN M, HEINZ R. AN EVALUATION OF MULTIPLANAR IMAGING CAPABILITIES OF 4 CURRENT CT SCANNERS. AMERICAN JOURNAL OF ROENTGENOLOGY. 1981;136(6):1279–1279.
• JOHNSON GA, FORD KK, HEINZ R. DIGITAL RADIOGRAPHY USING THE QUANTEX DS-20. AMERICAN JOURNAL OF ROENTGENOLOGY. 1981;136(6):1274–1274.
• Wolbarsht ML, O’foghludha FA, Sliney DH, Guy AW, Smith AA, Johnson GA. Electromagnetic emission from visual display units: A non-hazard. Proceedings of SPIE - The International Society for Optical Engineering. 1980 Oct 7;229:187–95.
• Johnson GA, O’Foghludha F. Investigation of transmolybdenum fluorescent anodes for mammography. In: Proceedings of SPIE - The International Society for Optical Engineering. 1980. p. 158–63.
• JOHNSON GA, FOGHLUDA F. AN INVESTIGATION OF TRANSMOLYBDENUM FLUORESCENT ANODES FOR MAMMOGRAPHY. AMERICAN JOURNAL OF ROENTGENOLOGY. 1980;134(4):855–855.
• JOHNSON GA, HOLT DC, EFFMANN EL. PRACTICAL GUIDELINES FOR SPECIMEN RADIOGRAPHY. INVESTIGATIVE RADIOLOGY. 1980;15(5):377–377.
• JOHNSON GA, RAVIN CE. SCATTERED RADIATION FROM THE FILM HOLDER IN CHEST RADIOGRAPHY. AMERICAN JOURNAL OF ROENTGENOLOGY. 1980 Jan 1;134(1):201–201.
• Johnson GA, O’Foghludha F. Simulation of mammographic x-ray spectra. Med Phys. 1980;7(3):189–95.
• Thompson WM, Amberg JR, Shaw M. Iodine concentration and radiographic density during oral cholecystography. Investigative Radiology. 1980 Jan 1;15(5):397.
• THOMPSON WM, AMBERG JR, LOWTHER DT, SHAW M, BATES M, JOHNSON GA. GALLBLADDER DENSITY AND IODINE CONCENTRATION IN HUMANS DURING ORAL CHOLECYSTOGRAPHY - A COMPARISON OF IOPANOIC ACID AND IOPRONIC ACID. GASTROINTESTINAL RADIOLOGY. 1980 Jan 1;5(1):83–83.
• HEDLUND L, JONES D, EFFMANN E, JOHNSON GA, BATES W, WOLFE W, et al. COMPUTERIZED TOMOGRAPHIC STUDY OF THE DOG LUNG DURING HEMORRHAGIC-SHOCK. INVESTIGATIVE RADIOLOGY. 1979 Jan 1;14(5):369–369.
• Johnson GA, O’Foghludha F. An experimental "trans-molybdenum" tube for mammography. Radiology. 1978 May;127(2):511–6.
• Johnson GA, Manson EL, O’Foghludha F. Simple method of obtaining Si(Li) detector efficiency. Nuclear Instruments and Methods. 1978 May 1;151(1–2):217–20.
• JOHNSON GA, OFOGHLUDHA F. SPECTROMETRIC STUDIES OF WAVEFORM AND FILTRATION EFFECTS IN MAMMOGRAPHY. PHYSICS IN MEDICINE AND BIOLOGY. 1977;22(3):593–593.
• Johnston DG, Johnson GA, Alberti KG. Hepatotrophic factors: implications for diabetes mellitus. Ciba Found Symp. 1977;(55):357–73.
• Johnson GA. Free radicals formed by exposure of pyrimidine solids to sodium atoms: an electron spin resonance study. Proc Natl Acad Sci U S A. 1975 Mar;72(3):974–8.
• Johnson GA. Electron spin resonance studies of anion radicals of pyrimidine and sulfur amino acids in the solid state. 1974.
• Johnson G, Stubbs WA, Woods HF, Alberti KGMM. Salicylate induced hypoglycaemia: a possible mechanism. European Journal of Clinical Investigation. 1974 Jan 1;4(5).
• Woods HF, Stubbs WA, Johnson G, Alberti KG. Inhibition by salicylate of gluconeogenesis in the isolated perfused rat liver. Clin Exp Pharmacol Physiol. 1974;1(6):535–40.

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