Current Research Interests: Mathematical Biology, Compressed Sensing and Deconvolution Methods in Medical Imaging, and Machine Learning
Ren, J., Patel, N., Johnson, T., Querry, R., Shearin, S. Skeletal Muscle 31P Magnetic Resonance Spectroscopy Study of Patients with Parkinson's Disease: Energy Metabolism and Exercise Performance. Diagnostics 2025, 15, 2573. doi:10.3390/diagnostics15202573
Johnson, T., Su, J., Henning, A., & Ren, J. A 7T MRI Study of Fibular Bone Thickness and Density: Impact of Age, Sex and Body Weight, and Correlation with Bone Marrow Expansion and Muscle Fat Infiltration. Diagnostics 2025, 15, 564. doi:10.3390/diagnostics15050564
Johnson, T., Su, J., Andres, J., Henning, A., Ren, J. Sex Differences in Fat Distribution and Muscle Fat Infiltration in the Lower Extremity: A Retrospective Diverse-Ethnicity 7T MRI Study in a Research Institute Setting in the USA. Diagnostics. 2024; 14(20):2260. doi:10.3390/diagnostics14202260
Chan, K., Panatpur, A., Messahel, S., Dahshi, H., Johnson, T., Henning, A., Ren, J., Minassian, B. 1H and 31P magnetic resonance spectroscopy reveals potential pathogenic and biomarker metabolite alterations in Lafora disease. Brain Communications, Volume 6, Issue 2, 2024, fcae104. doi:10.1093/braincomms/fcae104
Ren, J., Rodriguez, L., II, Johnson, T., Henning, A., Dhaher, Y.Y. 17β-Estradiol Effects in Skeletal Muscle: A 31P MR Spectroscopic Imaging (MRSI) Study of Young Females during Early Follicular (EF) and Peri-Ovulation (PO) Phases. Diagnostics 2024, 14, 235. doi:10.3390/diagnostics14030235
Vongpatanasin, W., Giacona, J. M., Pittman, D., Murillo, A., Khan, G., Wang, J., Johnson, T., Ren, J., Moe, O. W., & Pak, C. C. Y. (2023). Potassium Magnesium Citrate Is Superior to Potassium Chloride in Reversing Metabolic Side Effects of Chlorthalidone. Hypertension, 80(12), 2611-2620. doi:10.1161/HYPERTENSIONAHA.123.21932
Song, Z., Baxter, M., Jin, M., Wang, J.-X., Li, R.-C., Johnson, T.; Su, J. Sparse Sampling and Fully-3D Fast Total Variation Based Imaging Reconstruction for Chemical Shift Imaging in Magnetic Resonance Spectroscopy. Cham, 2018; pp. 479-485. doi:10.1007/978-3-030-05587-5_45
Johnson, T., Wilson, S. Modeling Evolutionary Dynamics of Human Immunodeficiency Virus. Proceedings of the Harriett J. Walton Symposium on Undergraduate Mathematics Research. Volume 14 (2016).