G Allan Allan Johnson
Charles E. Putman University Professor of Radiology
Dr. Johnson is the Charles E. Putman University Professor of Radiology, Professor of Physics, and Biomedical Engineering, and Director of the Duke Center for In Vivo Microscopy (CIVM). The CIVM is an NIH/NIBIB national Biomedical Technology Resource Center with a mission to develop novel technologies for preclinical imaging (basic sciences) and apply the technologies to critical biomedical questions. Dr. Johnson was one of the first researchers to bring Paul Lauterbur's vision of magnetic resonance (MR) microscopy to practice as described in his paper, "Nuclear magnetic resonance imaging at microscopic resolution" (J Magn Reson 68:129-137, 1986). Dr. Johnson is involved in both the engineering physics required to extend the resolution of MR imaging and in a broad range of applications in the basic sciences.
The Duke Preclinical Research Resources for Quantitative Imaging Biomarkers awarded by National Institutes of Health (PD/PI). 2017 to 2022
Training in Medical Imaging awarded by National Institutes of Health (Mentor). 2003 to 2019
Quantitative MR Microscopy of Phenotypic Biomarkers in Alzheimer's Disease awarded by National Institutes of Health (Mentor). 2013 to 2018
Integrated Center For In Vivo Microscopy awarded by National Institutes of Health (Principal Investigator). 2003 to 2018
Waxholm Space for Rodent Neuroinformatics awarded by University of Pennsylvania (Principal Investigator). 2016 to 2018
Serial Block Face Scanning Electron Microscope awarded by National Institutes of Health (Major User). 2016 to 2018
Ultra-resolution imaging of brain circuitry and its development in mental health awarded by National Institutes of Health (Co Investigator). 2013 to 2016
MRI Corticography (MRCoG): Micro-scale Human Cortical Imaging awarded by University of California - Berkeley (Collaborator). 2014 to 2016
Prevention of Temporal Lobe Epilepsy awarded by National Institutes of Health (Co Investigator). 2012 to 2015
Whole brain multimodal microscopy of an apoptosis reporter mouse awarded by National Institutes of Health (Collaborator). 2012 to 2014
Spiliopoulos, D, Kagadis, GC, Karnabatidis, D, Johnson, GA, and Badea, CT. "Digital Subtracted Angiography of Small Animals (Accepted)." Handbook of Small Animal Imaging: Preclinical Imaging, Therapy, and Applications. Ed. GC Kagadis, NL Ford, GK Loudos, and D Karnabatidis. Taylor & Francis Books, Inc., CRC Press, March 3, 2016. 67-75. (Chapter)
Nouls, JC, Badea, A, Anderson, RBJ, Cofer, GP, and Allan Johnson, G. "Diffusion tensor imaging using multiple coils for mouse brain connectomics." Nmr in Biomedicine 31.6 (June 2018): e3921-null. Full Text
Wei, H, Gibbs, E, Zhao, P, Wang, N, Cofer, GP, Zhang, Y, Johnson, GA, and Liu, C. "Susceptibility tensor imaging and tractography of collagen fibrils in the articular cartilage." Magnetic resonance in medicine 78.5 (November 2017): 1683-1690. Full Text
Vetreno, RP, Yaxley, R, Paniagua, B, Johnson, GA, and Crews, FT. "Adult rat cortical thickness changes across age and following adolescent intermittent ethanol treatment." Addiction Biology 22.3 (May 2017): 712-723. Full Text
Xie, L, Bennett, KM, Liu, C, Johnson, GA, Zhang, JL, and Lee, VS. "MRI tools for assessment of microstructure and nephron function of the kidney." American Journal of Physiology. Renal Physiology 311.6 (December 2016): F1109-F1124. (Review) Full Text Open Access Copy
Wei, H, Xie, L, Dibb, R, Li, W, Decker, K, Zhang, Y, Johnson, GA, and Liu, C. "Imaging whole-brain cytoarchitecture of mouse with MRI-based quantitative susceptibility mapping." Neuroimage 137 (August 2016): 107-115. Full Text
Subashi, E, Cordero, FJ, Halvorson, KG, Qi, Y, Nouls, JC, Becher, OJ, and Johnson, GA. "Tumor location, but not H3.3K27M, significantly influences the blood-brain-barrier permeability in a genetic mouse model of pediatric high-grade glioma." Journal of neuro-oncology 126.2 (January 2016): 243-251. Full Text
Xie, L, Layton, AT, Wang, N, Larson, PEZ, Zhang, JL, Lee, VS, Liu, C, and Johnson, GA. "Dynamic contrast-enhanced quantitative susceptibility mapping with ultrashort echo time MRI for evaluating renal function." American Journal of Physiology. Renal Physiology 310.2 (January 2016): F174-F182. Full Text
Calabrese, E, Badea, A, Cofer, G, Qi, Y, and Johnson, GA. "A Diffusion MRI Tractography Connectome of the Mouse Brain and Comparison with Neuronal Tracer Data." Cerebral Cortex (New York, N.Y. : 1991) 25.11 (November 2015): 4628-4637. Full Text Open Access Copy
Calabrese, E, Badea, A, Coe, CL, Lubach, GR, Shi, Y, Styner, MA, and Johnson, GA. "A diffusion tensor MRI atlas of the postmortem rhesus macaque brain." Neuroimage 117 (August 2015): 408-416. Full Text
Calabrese, E, Hickey, P, Hulette, C, Zhang, J, Parente, B, Lad, SP, and Johnson, GA. "Postmortem diffusion MRI of the human brainstem and thalamus for deep brain stimulator electrode localization." Human Brain Mapping 36.8 (August 2015): 3167-3178. Full Text
Johnson, GA, Anderson, RJ, Cook, JJ, Long, C, and Badea, A. "Image-processing pipelines: Applications in magnetic resonance histology." January 1, 2016. Full Text
Calabrese, E, Hickey, P, Hulette, C, Zhang, J, Parente, B, Lad, SP, and Johnson, GA. "Postmortem Diffusion MRI of the Human Brainstem and Thalamus for Deep Brain Stimulator Electrode Localization." September 2015.
Johnson, GA, Badea, A, Calabrese, E, Liu, C, and Xie, L. "Magnetic resonance histology—Applications in toxicology." September 2014. Full Text
Clark, DP, Johnson, GA, and Badea, CT. "A multi-resolution approach to retrospectively-gated cardiac micro-CT reconstruction." January 1, 2014. Full Text
Badea, CT, Befera, N, Clark, D, Qi, Y, and Johnson, GA. "Dual-energy micro-CT imaging of pulmonary airway obstruction: Correlation with micro-SPECT." January 1, 2014. Full Text
Johnston, SM, Johnson, GA, and Badea, CT. "Helical dual source cone-beam micro-CT." January 1, 2014.
Clark, D, Johnston, SM, Johnson, GA, and Badea, CT. "The effect of scatter correction on dual energy micro-CT." 2013. Full Text
Parnell, SE, Holloway, HT, Paniagua, B, Oguz, I, Styner, MA, Johnson, GA, and Sulik, KK. "EFFECTS OF CHRONIC EARLY GESTATIONAL ETHANOL EXPOSURE ON THE DEVELOPING BRAIN: A MAGNETIC RESONANCE MICROSCOPY STUDY." June 2012.
Clark, D, Johnson, GA, and Badea, CT. "Denoising of 4D cardiac micro-CT data using median-centric bilateral filtration." 2012. Full Text