N. Devasahayam

发表

Passive Decoupling Due to Low Q-Factors of Four-Channel Coils in 300-MHz Pulsed EPR Imaging

M. Krishna, Keita Saito, Ayano Enomoto, 2015 .

Noninvasive in vivo oximetric imaging by radiofrequency FT EPR

James B. Mitchell, Murali C Krishna, Nallathamby Devasahayam, 2002, Magnetic resonance in medicine.

Accelerated 4D quantitative single point EPR imaging using model‐based reconstruction

A. McMillan, J. Zhuo, S. Matsumoto, 2015, Magnetic resonance in medicine.

Pulsed EPR imaging of nitroxides in mice.

Shingo Matsumoto, James B. Mitchell, Murali C Krishna, 2009, Journal of magnetic resonance.

Cancer esearch rated Systems and Technologies-Field Magnetic Resonance Imaging to Visualize Chronic R Cycling Hypoxia in Tumor-Bearing Mice

James B. Mitchell, S. Matsumoto, M. Krishna, 2010 .

Low-field magnetic resonance imaging to visualize chronic and cycling hypoxia in tumor-bearing mice.

James B. Mitchell, S. Matsumoto, M. Krishna, 2010, Cancer research.

Longitudinal Imaging Studies of Tumor Microenvironment in Mice Treated with the mTOR Inhibitor Rapamycin

James B. Mitchell, S. Matsumoto, J. Gutkind, 2012, PloS one.

Co-imaging of the tumor oxygenation and metabolism using electron paramagnetic resonance imaging and 13-C hyperpolarized magnetic resonance imaging before and after irradiation

James B. Mitchell, M. Matsuo, T. Kawai, 2018, Oncotarget.

Wireless implantable coil with parametric amplification for in vivo electron paramagnetic resonance oximetric applications

James B. Mitchell, A. Koretsky, C. Qian, 2018, Magnetic resonance in medicine.

Echo-based Single Point Imaging (ESPI): a novel pulsed EPR imaging modality for high spatial resolution and quantitative oximetry.

James B. Mitchell, S. Matsumoto, M. Krishna, 2012, Journal of magnetic resonance.

Quantitative imaging of pO2 in orthotopic murine gliomas: hypoxia correlates with resistance to radiation

James B. Mitchell, K. Camphausen, S. Matsumoto, 2017, Free radical research.

Accelerated electron paramagnetic resonance imaging using partial Fourier compressed sensing reconstruction.

R. Gullapalli, A. McMillan, J. Zhuo, 2017, Magnetic resonance imaging.

PEGPH20, a PEGylated human hyaluronidase, induces radiosensitization by reoxygenation in pancreatic cancer xenografts. A molecular imaging study

James B. Mitchell, Jisook Lee, M. Krishna, 2022, bioRxiv.

Evofosfamide and Gemcitabine Act Synergistically in Pancreatic Cancer Xenografts by Dual Action on Tumor Vasculature and Inhibition of Homologous Recombination DNA Repair

James B. Mitchell, M. Krishna, S. Kishimoto, 2022, bioRxiv.

Molecular Imaging of the Tumor Microenvironment Reveals the Relationship between Tumor Oxygenation, Glucose Uptake, and Glycolysis in Pancreatic Ductal Adenocarcinoma

James B. Mitchell, P. Choyke, J. Brender, 2020, Cancer Research.

Metabolic and Physiologic Imaging Biomarkers of the Tumor Microenvironment Predict Treatment Outcome with Radiation or a Hypoxia-Activated Prodrug in Mice.

James B. Mitchell, R. Gillies, S. Matsumoto, 2018, Cancer research.

Pyruvate Induces Transient Tumor Hypoxia by Enhancing Mitochondrial Oxygen Consumption and Potentiates the Anti-Tumor Effect of a Hypoxia-Activated Prodrug TH-302

Robert J. Gillies, Shingo Matsumoto, Masayuki Matsuo, 2014, PloS one.

Towards reduction of SAR in scaling up in vivo pulsed EPR imaging to larger objects

T. Pohida, J. Brender, R. Pursley, 2018, Journal of magnetic resonance.

Continuous monitoring of postirradiation reoxygenation and cycling hypoxia using electron paramagnetic resonance imaging

Y. Takakusagi, T. Kawai, M. Krishna, 2022, NMR in biomedicine.

EPR‐based oximetric imaging: a combination of single point‐based spatial encoding and T1 weighting

S. Matsumoto, M. Krishna, S. Kishimoto, 2018, Magnetic resonance in medicine.

Intracellular hypoxia of tumor tissue estimated by noninvasive electron paramagnetic resonance oximetry technique using paramagnetic probes.

James B. Mitchell, S. Matsumoto, M. Krishna, 2011, Biological & pharmaceutical bulletin.

Novel functional imaging for tissue oxygen concentration and redox status.

James B. Mitchell, M. Krishna, J. Cook, 2004, The Journal of nutrition.

Low-field paramagnetic resonance imaging of tumor oxygenation and glycolytic activity in mice.

Shingo Matsumoto, James B. Mitchell, Murali C Krishna, 2008, The Journal of clinical investigation.

Single‐point (constant‐time) imaging in radiofrequency Fourier transform electron paramagnetic resonance †

Andrew G. Taube, James B. Mitchell, Murali C Krishna, 2002, Magnetic resonance in medicine.

A novel programmable pulse generator with nanosecond resolution for pulsed electron paramagnetic resonance applications.

M. Krishna, S. Subramanian, N. Devasahayam, 2008, The Review of scientific instruments.

Evaluation of sub-microsecond recovery resonators for in vivo electron paramagnetic resonance imaging.

M. Krishna, J. Mitchell, F. Hyodo, 2008, Journal of magnetic resonance.

Tailored sinc pulses for uniform excitation and artifact-free radio frequency time-domain EPR imaging.

J. Cook, M. Krishna, J. Mitchell, 2004, Journal of magnetic resonance.

Overhauser enhanced magnetic resonance imaging for tumor oximetry: Coregistration of tumor anatomy and tissue oxygen concentration

James B. Mitchell, Murali C Krishna, Nallathamby Devasahayam, 2002, Proceedings of the National Academy of Sciences of the United States of America.

EPR oxygen imaging and hyperpolarized 13C MRI of pyruvate metabolism as noninvasive biomarkers of tumor treatment response to a glycolysis inhibitor 3‐bromopyruvate

Shingo Matsumoto, Hellmut Merkle, Murali C Krishna, 2013, Magnetic resonance in medicine.

In vivo imaging of tumor physiological, metabolic, and redox changes in response to the anti-angiogenic agent sunitinib: longitudinal assessment to identify transient vascular renormalization.

James B. Mitchell, H. D. Morris, H. Merkle, 2014, Antioxidants & redox signaling.

Continuous wave EPR oximetric imaging at 300 MHz using radiofrequency power saturation effects.

James B. Mitchell, Y. Hama, M. Krishna, 2007, Antioxidants & redox signaling.

13C-MR Spectroscopic Imaging with Hyperpolarized [1-13C]pyruvate Detects Early Response to Radiotherapy in SCC Tumors and HT-29 Tumors

James B. Mitchell, H. D. Morris, M. Matsuo, 2015, Clinical Cancer Research.

Hypoxia Imaging as a Guide for Hypoxia Modulated and Hypoxia Activated Therapy.

J. Brender, S. Kishimoto, Y. Saida, 2021, Antioxidants & redox signaling.

Electron paramagnetic resonance imaging of tumor hypoxia: Enhanced spatial and temporal resolution for in vivo pO2 determination

Murali C Krishna, Nallathamby Devasahayam, Sankaran Subramanian, 2006, Magnetic resonance in medicine.

Direct detection and time-locked subsampling applied to pulsed electron paramagnetic resonance imaging.

Thomas J Pohida, Ghadi Salem, Murali C Krishna, 2005, The Review of scientific instruments.

Antiangiogenic agent sunitinib transiently increases tumor oxygenation and suppresses cycling hypoxia.

Shingo Matsumoto, James B. Mitchell, Murali C Krishna, 2011, Cancer research.

Simultaneous imaging of tumor oxygenation and microvascular permeability using Overhauser enhanced MRI

Shingo Matsumoto, James B. Mitchell, Marcelino Bernardo, 2009, Proceedings of the National Academy of Sciences.

Pulsed Electron Paramagnetic Resonance Imaging: Applications in the Studies of Tumor Physiology.

James B. Mitchell, S. Matsumoto, M. Krishna, 2017, Antioxidants & redox signaling.

Electron Paramagnetic Resonance Imaging of Tumor pO2

James B. Mitchell, S. Matsumoto, M. Krishna, 2012, Radiation research.

Three-dimensional alginate hydrogels for radiobiological and metabolic studies of cancer cells.

Jason Y. Cheng, Nallathamby Devasahayam, Murali C. Krishna, 2018, Colloids and surfaces. B, Biointerfaces.

Evaluation and comparison of pulsed and continuous wave radiofrequency electron paramagnetic resonance techniques for in vivo detection and imaging of free radicals.

James B. Mitchell, Murali C Krishna, Nallathamby Devasahayam, 2002, Journal of magnetic resonance.

300 MHz continuous wave electron paramagnetic resonance spectrometer for small animal in vivo imaging

James B. Mitchell, Nallathamby Devasahayam, Sankaran Subramanian, 2000 .

A novel fast imaging modality for free radicals in vivo: continuous wave (CW) EPR imaging with direct detection and rapid field scan in the presence of rotating gradients

Thomas J. Pohida, Randall H. Pursley, Ghadi Salem, 2009, BiOS.

A new strategy for fast radiofrequency CW EPR imaging: direct detection with rapid scan and rotating gradients.

Thomas J Pohida, Murali C Krishna, Randall H Pursley, 2007, Journal of magnetic resonance.

Integration of digital signal processing technologies with pulsed electron paramagnetic resonance imaging.

Thomas J Pohida, Ghadi Salem, Murali C Krishna, 2006, Journal of magnetic resonance.

An application system for automation of constant-time radio frequency electron paramagnetic resonance imaging

Andrew G. Taube, James B. Mitchell, Ramachandran Murugesan, 2003, Comput. Methods Programs Biomed..

Stochastic excitation and Hadamard correlation spectroscopy with bandwidth extension in RF FT-EPR.

Thomas J Pohida, Ghadi Salem, Murali C Krishna, 2003, Journal of magnetic resonance.

Three‐dimensional whole body imaging of spin probes in mice by time‐domain radiofrequency electron paramagnetic resonance

James B. Mitchell, Nallathamby Devasahayam, Sankaran Subramanian, 2000, Magnetic resonance in medicine.

High-speed data acquisition system and receiver configurations for time-domain radiofrequency electron paramagnetic resonance spectroscopy and imaging.

R Murugesan, J. Cook, M. Krishna, 1999, Journal of magnetic resonance.

A broadband pulsed radio frequency electron paramagnetic resonance spectrometer for biological applications

James B. Mitchell, Nallathamby Devasahayam, Sankaran Subramanian, 1998 .

In vivo imaging of a stable paramagnetic probe by pulsed‐radiofrequency electron paramagnetic resonance spectroscopy

R Murugesan, James B. Mitchell, R. Tschudin, 1997, Magnetic resonance in medicine.

Parallel coil resonators for time-domain radiofrequency electron paramagnetic resonance imaging of biological objects.

James B. Mitchell, R Murugesan, J. Cook, 2000, Journal of magnetic resonance.

Dynamic monitoring of localized tumor oxygenation changes using RF pulsed electron paramagnetic resonance in conscious mice

Shingo Matsumoto, Hiroshi Hirata, Nallathamby Devasahayam, 2008, Magnetic resonance in medicine.

Evaluation of a high-speed signal-averager for sensitivity enhancement in radio frequency Fourier transform electron paramagnetic resonance imaging

James B. Mitchell, Nallathamby Devasahayam, Sankaran Subramanian, 2002 .

In vivo spectral-spatial imaging for oxygen mapping using single-point, time-domain electron paramagnetic resonance

Ken-ichi Matsumoto, John Cook, Calvin A. Johnson, 2006, 3rd IEEE International Symposium on Biomedical Imaging: Nano to Macro, 2006..

Electron paramagnetic resonance for small animal imaging applications.

P. Kuppusamy, J. Cook, M. Krishna, 2001, ILAR journal.

Evaluation of a deuterated triarylmethyl spin probe for in vivo R2*-based EPR oximetric imaging with enhanced dynamic range

J. Brender, S. Kishimoto, Kazu Yamamoto, 2023, bioRxiv.

Transient decrease in tumor oxygenation after intravenous administration of pyruvate

James B. Mitchell, H. D. Morris, J. Ardenkjaer-Larsen, 2012, Magnetic resonance in medicine.

Strategies for improved temporal and spectral resolution in in vivo oximetric imaging using time‐domain EPR

James B. Mitchell, Nallathamby Devasahayam, Sankaran Subramanian, 2007, Magnetic resonance in medicine.

Reconstruction for Time-Domain In Vivo EPR 3D Multigradient Oximetric Imaging—A Parallel Processing Perspective

Shingo Matsumoto, James B. Mitchell, Calvin A. Johnson, 2009, Int. J. Biomed. Imaging.

Quantitative imaging of pO2 in orthotopic murine gliomas: hypoxia correlates with resistance to radiation

James B. Mitchell, K. Camphausen, S. Matsumoto, 2017, Free radical research.

Maximum Entropy Reconstruction Methods in Electron Paramagnetic Resonance Imaging

James B. Mitchell, Delia P. McGarry, Calvin A. Johnson, 2003, Ann. Oper. Res..

Reconstruction of electron paramagnetic resonance images using iterative methods

John Cook, Delia P. McGarry, Calvin A. Johnson, 2001, SPIE Medical Imaging.

Influence of proton T1 on oxymetry using Overhauser enhanced magnetic resonance imaging

James B. Mitchell, S. Matsumoto, H. Utsumi, 2005, Magnetic resonance in medicine.

Radiofrequency time-domain EPR imaging: instrumentation development and recent results in functional physiological in vivo imaging

Nallathamby Devasahayam, Sankaran Subramanian, Murali C. Krishna, 2007, SPIE BiOS.

Preparation and EPR studies of lithium phthalocyanine radical as an oxymetric probe.

N. Miller, J. Cook, M. Krishna, 1998, Free radical biology & medicine.

Pharmacokinetics of a triarylmethyl‐type paramagnetic spin probe used in EPR oximetry

Murali C Krishna, Nallathamby Devasahayam, Sankaran Subramanian, 2004, Magnetic resonance in medicine.

Reporting of quantitative oxygen mapping in EPR imaging.

James B. Mitchell, A. McMillan, S. Matsumoto, 2012, Journal of magnetic resonance.