I am very excited about advanced mathematics applied to medical technology. In particular, I am most interested in applications of optimization to medical imaging. Most of my research has focused on Magnetic Resonance Imaging (MRI); I have also worked on Optical Coherence Tomography (OCT) and other imaging technologies. Aside from research, I greatly enjoy teaching and do so regularly.

Journal Papers


A pharmacokinetic model for hyperpolarized 13C-pyruvate MRI when using metabolite-specific bSSFP sequences

     S. Sahin, M. Garnaes, A. Bennett, N. Dwork, S. Tang, X. Liu, M. Vaidya, Z. Wang, P. Larson

     Magnetic Resonance in Medicine


Quantification of the in vivo brain ultrashort-T2* component in healthy volunteers

     N. Deveshwar, J. Yao, M. Han, N. Dwork, X. Shen, E. Ljungberg, E. Caverzasi, P. Cao, R. Henry, A. Green, P. Larson

     Magnetic Resonance in Medicine


Accelerated Parallel Magnetic Resonance Imaging with Compressed Sensing Using Structured Sparsity

     N. Dwork, E. Englund

     [ Preprint available on arxiv.org since 12/2023] [ Data ]


Regional Quantification of Cardiac Metabolism with Hyperpolarized [1-13C] Pyruvate CMR Evaluated in an Oral Glucose Challenge

     P. Larson, S. Tang, X. Liu, A. Sinha, N. Dwork, S. Sivalokanathan, J. Liu, R. Bok, K. Ordovas, J. Slater, J. Gordon, R. Abraham

     Journal of Cardiovascular Magnetic Resonance


Probing human heart TCA cycle metabolism and response to glucose load using hyperpolarized [2-13C] pyruvate MRS

     H. Chen, J. Gordon, N. Dwork, B. Chung, A. Riselli, S. Sivalokanathan, R. Bok, J. Slater, D. Vigneron, M. Abraham, P. Larson

     NMR in Biomedicine


Optimization in the Space Domain for Density Compensation with the Non-uniform FFT

     N. Dwork, D. O'Connor, E. Johnson, C. Baron, J. Gordon, J. Pauly, P. Larson

     Magnetic Resonance Imaging

     [ Preprint available on arxiv.org since 03/2021] [Video]


The Dependence of Parallel Imaging with Linear Predictability on the Undersampling Direction

     A. McManus, S. Becker, N. Dwork

     [Preprint available on arxiv.org] since 01/2023




Physics-driven Deep Learning for PET/MRI

     A. Rajagopal, A. Leynes, N. Dwork, J. Scholey, T. Hope, P. Larson

     [Preprint available on arxiv.org]


Specialized Computational Methods for Denoising, B1 Correction, and Kinetic Modeling in Hyperpolarized 13C MR EPSI Studies of Liver Tumors

     P. Lee, H. Chen, J. Gordon, Z. Zhu, P. Larson, N. Dwork, M. van Criekinge, L. Carvajal, M. Ohliger, Z. Wang,

     D. Xu, J. Kurhanewicz, R. Bok, R. Aggarwal, P. Munster, D. Vigneron

     Magnetic Resonance in Medicine





Calibrationless Multi-coil Magnetic Resonance Imaging with Compressed Sensing

     N. Dwork, E. Johnson, D. O'Connor, J. Gordon, A. Kerr, C. Baron, J. Pauly, P. Larson

     [Preprint available on arxiv.org]


multiMap: A Gradient Spoiled Sequence for Simultaneously Measuring B1, B0, T1/M0, T2, T2*, and Fat Fraction of a Slice

     N. Dwork, A. Kerr, E. Johnson, C. Baron, S. Vasanawala, P. Larson, A. Bush, J. Pauly

     [Preprint available on arxiv.org]


Rosette Trajectories Enable Ungated, Motion Robust, Simultaneous Cardiac and Liver T2* Iron Assessment

     A. Bush, C. Sandino, S. Ramachandran, F. Ong, N. Dwork, E. Zucker, A. Syed, J. Pauly, M. Alley, S. Vasanawala

     Journal of Magnetic Resonance Imaging


Fast Imaging for Hyperpolarized MR Metabolic Imaging

     J. Gordon, H. Chen, N. Dwork, S. Tang, P. Larson

     Journal of Magnetic Resonance Imaging





Robust Dipstick Urinalysis Using a Low-cost, Micro-volume Slipping Manifold and Mobile Phone Platform

     G. Smith, N. Dwork, S. Khan, M. Millet, K. Magar, M. Javanmard, A. Ellerbee-Bowden

     Lab on a Chip (Featured on the Back Cover)




Point-of-care Sample Analysis and Microscopy for Liquid Samples

     A. Bowden, N. Dwork, M. Javanmard, S. Khan, K. Magar, M. Millet, G. Smith

     United States Patent Application 20170262694


Refined Optical System

     D. Campion, D. Kane, N. Dwork, M. Pohlman, and R. Potter

     US 8624177 B2

Acknowledged In


Low-power, Low-cost Urinalysis System With Integrated Dipstick Evaluation and Microscopic Analysis

     G. Smith, L. Li, Y. Zhu, A. Bowden

     Lab on a Chip


Speckle-modulating Optical Coherence Tomgoraphy in Living Mice and Humans

     O. Liba, M. Lew, E. SoRelle, R. Dutta, D. Sen, D. Moshfeghi, S. Chu, A. Zerda

     Nature Communications