Patrick TomHon

Fluxomics, Translational Imaging and Spectroscopy, NMR, Metabolic Sensing, MRI

Works (21)

Updated: March 3rd, 2026 15:41

2025 article

Front Cover: Carbon‐13 Hyperpolarization of α‐Ketocarboxylates with Parahydrogen in Reversible Exchange (ChemMedChem 5/2025)

McBride, S. J., MacCulloch, K., TomHon, P., Browning, A., Meisel, S., Abdulmojeed, M., … Theis, T. (2025, March 3). ChemMedChem.

topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Molecular spectroscopy and chirality
Source: ORCID
Added: March 12, 2025

2025 article

Machine Learning-Guided Optimization of SABRE Hyperpolarization for α-Ketoglutarate in Acetone–Water

Curran, E., Sadeghi, S., McBride, S. J., Mattsson, K., Pike, M., Harrison, R. J., … Theis, T. (2025, December 9). Analytical Chemistry.

By: E. Curran n, S. Sadeghi n, S. McBride n, K. Mattsson n, M. Pike n, R. Harrison n, M. Abdulmojeed n, F. Theiss n ...

topics (OpenAlex): Advanced NMR Techniques and Applications; Nonlinear Optical Materials Research; Molecular spectroscopy and chirality
Sources: NC State University Libraries, NC State University Libraries
Added: December 10, 2025

2024 article

Carbon‐13 Hyperpolarization of α‐Ketocarboxylates with Parahydrogen in Reversible Exchange

McBride, S. J., MacCulloch, K., TomHon, P., Browning, A., Meisel, S., Abdulmojeed, M., … Theis, T. (2024, October 4). ChemMedChem, Vol. 12.

By: S. McBride n, K. MacCulloch n, P. TomHon*, A. Browning n, S. Meisel n, M. Abdulmojeed n, B. Goodson*, E. Chekmenev*, T. Theis n

author keywords: Hyperpolarization; NMR; SABRE; Alpha-ketocarboxylate; Parahydrogen
MeSH headings : Carbon Isotopes / chemistry; Hydrogen / chemistry; Molecular Structure; Carboxylic Acids / chemistry
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Electron Spin Resonance Studies; Atomic and Subatomic Physics Research
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 11, 2024

2024 article

SABRE-SHEATH Hyperpolarization of [1,5-13C2]Z-OMPD for Noninvasive pH Sensing

Abdulmojeed, M. B., Grashei, M., Dilday, S., Wodtke, P., McBride, S., Davidsson, A., … Theis, T. (2024, November 18). ACS Sensors, Vol. 9, pp. 6372–6381.

By: M. Abdulmojeed n, M. Grashei*, S. Dilday n, P. Wodtke*, S. McBride n, A. Davidsson n, E. Curran n, K. MacCulloch n ...

author keywords: NMR; hyperpolarization; [1,5-C-13(2)]Z-OMPD; SABRE-SHEATH; pH sensing
MeSH headings : Hydrogen-Ion Concentration; Carbon Isotopes / chemistry; Density Functional Theory
topics (OpenAlex): Advanced NMR Techniques and Applications; Electron Spin Resonance Studies; Solid-state spectroscopy and crystallography
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2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 24, 2025

2023 article

Facile hyperpolarization chemistry for molecular imaging and metabolic tracking of [1–13C]pyruvate in vivo

MacCulloch, K., Browning, A., Bedoya, D. O. G., McBride, S. J., Abdulmojeed, M. B., Dedesma, C., … Theis, T. (2023, July 13). Journal of Magnetic Resonance Open, Vol. 16-17.

By: K. MacCulloch n, A. Browning n, D. Bedoya*, S. McBride n, M. Abdulmojeed n, C. Dedesma, B. Goodson*, M. Rosen* ...

Contributors: K. MacCulloch n, A. Browning n, D. Guarin Bedoya*, S. McBride n, M. Abdulmojeed n, C. Dedesma, B. Goodson*, M. Rosen* ...

author keywords: Hyperpolarized MRI; Parahydrogen; SABRE; Metabolic imaging
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Electron Spin Resonance Studies
TL;DR: A first demonstration of SABRE-hyperpolarized contrast detected in vivo, specifically using hyperpolarized [1-13C]pyruvate is described, illustrating the utility of combining lower-cost MRI systems with simple, low-cost hyperpolarization chemistry to develop safe, and scalable molecular imaging. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 15, 2023

2023 article

Parahydrogen in Reversible Exchange Induces Long-Lived 15N Hyperpolarization of Anticancer Drugs Anastrozole and Letrozole

MacCulloch, K., Browning, A., TomHon, P., Lehmkuhl, S., Chekmenev, E. Y., & Theis, T. (2023, May 10). Analytical Chemistry, Vol. 5, pp. 7822–7829.

By: K. MacCulloch n, A. Browning n, P. TomHon n, S. Lehmkuhl n, E. Chekmenev* & T. Theis n

Contributors: K. MacCulloch n, A. Browning n, P. Tomhon n, S. Lehmkuhl n, E. Chekmenev* & T. Theis n

MeSH headings : Letrozole; Anastrozole; Magnetic Resonance Spectroscopy; Magnetic Resonance Imaging; Antineoplastic Agents / pharmacology
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; Solid-state spectroscopy and crystallography
TL;DR: The nitrile 15N sites enable long-lasting polarization storage with [15N]T1 over 9 min, enabling signal detection from a single hyperpolarization cycle for over 30 min, and this sensitivity gain enables polarization studies at naturally abundant 15N enrichment level (0.4%). (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 11, 2023

2023 article

Spin dynamics of [1,2-13C2]pyruvate hyperpolarization by parahydrogen in reversible exchange at micro Tesla fields

Browning, A., Macculloch, K., TomHon, P., Mandzhieva, I., Chekmenev, E. Y., Goodson, B. M., … Theis, T. (2023, January 1). Physical Chemistry Chemical Physics.

topics (OpenAlex): Advanced NMR Techniques and Applications; Electron Spin Resonance Studies; Atomic and Subatomic Physics Research
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 13, 2023

2022 article

Catalyst-Free Aqueous Hyperpolarized [1-13C]Pyruvate Obtained by Re-Dissolution Signal Amplification by Reversible Exchange

Schmidt, A. B., Maissin, H., Adelabu, I., Nantogma, S., Ettedgui, J., TomHon, P., … Chekmenev, E. Y. (2022, November 15). ACS Sensors, Vol. 11, pp. 3430–3439.

author keywords: Biosensors; magnetic resonance imaging; hyperpolarization; imaging agents; NMR spectroscopy; Parahydrogen; Pyruvate; SABRE
MeSH headings : Humans; Pyruvic Acid; Magnetic Resonance Spectroscopy / methods; Solubility; Magnetic Resonance Imaging / methods; Water
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Atomic and Subatomic Physics Research
TL;DR: The development of Re-Dissolution Signal Amplification By Reversible Exchange (Re-D SABRE), which relies on fast and low-cost hyperpolarization of [1-13C]pyruvate by chemical exchange with parahydrogen at microtesla magnetic fields, is reported. (via Semantic Scholar)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 16, 2022

2022 article

Interplay of Near-Zero-Field Dephasing, Rephasing, and Relaxation Dynamics and [1-13C]Pyruvate Polarization Transfer Efficiency in Pulsed SABRE-SHEATH

Nantogma, S., Eriksson, S. L., Adelabu, I., Mandzhieva, I., Browning, A., TomHon, P., … Chekmenev, E. Y. (2022, November 28). The Journal of Physical Chemistry A, Vol. 11, pp. 9114–9123.

MeSH headings : Pyruvic Acid
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Electron Spin Resonance Studies
TL;DR: The application of microtesla pulses is studied to investigate their effect on C-13 polarization efficiency, compared to that of conventional SABRE-SHEATH employing a static field, to provide the matching conditions of polarization transfer from parahydrogen-derived hydrides to the 13C-1 nucleus. (via Semantic Scholar)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 29, 2022

2022 article

Triplet Photosensitized para-Hydrogen Induced Polarization

Brown, E. E., Mandzhieva, I., TomHon, P. M., Theis, T., & Castellano, F. N. (2022, November 14). ACS Central Science, Vol. 11, pp. 1548–1556.

By: E. Brown n, I. Mandzhieva n, P. TomHon n, T. Theis n & F. Castellano n

Contributors: E. Brown n, I. Mandzhieva n, P. Tomhon n, T. Theis n & F. Castellano n

topics (OpenAlex): Advanced NMR Techniques and Applications; Magnetism in coordination complexes; Lanthanide and Transition Metal Complexes
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 15, 2022

2021 article

A Versatile Compact Parahydrogen Membrane Reactor

TomHon, P. M., Han, S., Lehmkuhl, S., Appelt, S., Chekmenev, E. Y., Abolhasani, M., & Theis, T. (2021, September 27). ChemPhysChem, Vol. 10, pp. 2526–2534.

By: P. TomHon n, S. Han n, S. Lehmkuhl n, S. Appelt*, E. Chekmenev*, M. Abolhasani n, T. Theis n

Contributors: P. TomHon n, S. Han n, S. Lehmkuhl n, S. Appelt*, E. Chekmenev*, M. Abolhasani n, T. Theis n

author keywords: hyperpolarization; parahydrogen; NMR; fluidics; RASER
MeSH headings : Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; NMR spectroscopy and applications
TL;DR: A Spin Transfer Automated Reactor that produces continuous parahydrogen induced polarization (PHIP), which is stable for hours to days is introduced, and the PHIP variant called signal amplification by reversible exchange (SABRE) is used, which is particularly well suited to produce continuous hyperpolarization. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 8, 2021

2021 article

Density Functional Theory Study of Reaction Equilibria in Signal Amplification by Reversible Exchange

Lin, K., TomHon, P., Lehmkuhl, S., Laasner, R., Theis, T., & Blum, V. (2021, September 22). ChemPhysChem, Vol. 9, pp. 1947–1957.

By: K. Lin*, P. TomHon n, S. Lehmkuhl n, R. Laasner*, T. Theis n & V. Blum*

Contributors: K. Lin*, P. TomHon n, S. Lehmkuhl n, R. Laasner*, T. Theis n & V. Blum*

author keywords: computational chemistry; density functional calculations; hyperpolarization; NMR spectroscopy; reaction mechanisms; parahydrogen
MeSH headings : Density Functional Theory; Hydrogen / chemistry; Methanol / chemistry; Pyridines / chemistry; Surface Properties
topics (OpenAlex): Advanced NMR Techniques and Applications; Ammonia Synthesis and Nitrogen Reduction; Spectroscopy and Quantum Chemical Studies
TL;DR: An in-depth theoretical analysis of key chemical equilibria in Signal Amplification by Reversible Exchange (SABRE), employing density functional theory calculations to characterize the likely reaction network, shows that a methanol-containing intermediate is plausible as a transient species in the process. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 23, 2021

2021 article

Density Functional Theory Study of Reaction Equilibria in Signal Amplification by Reversible Exchange

Lin, K., TomHon, P., Lehmkuhl, S., Laasner, R., Theis, T., & Blum, V. (2021, October 5). ChemPhysChem, Vol. 10, pp. 1937–1938.

Contributors: K. Lin*, P. TomHon n, S. Lehmkuhl n, R. Laasner*, T. Theis n & V. Blum*

author keywords: computational chemistry; density functional calculations; hyperpolarization; NMR spectroscopy; reaction mechanisms; parahydrogen
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; Functional Brain Connectivity Studies
TL;DR: The front cover artwork is provided by the groups of Prof. Thomas Theis and Volker Blum and shows the reaction network of Signal Amplification by Reversible Exchange, elucidated by density functional theory (DFT). (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 10, 2021

2021 article

Front Cover: Density Functional Theory Study of Reaction Equilibria in Signal Amplification by Reversible Exchange (ChemPhysChem 19/2021)

Lin, K., TomHon, P., Lehmkuhl, S., Laasner, R., Theis, T., & Blum, V. (2021, October 5). ChemPhysChem.

topics (OpenAlex): bioluminescence and chemiluminescence research
Source: ORCID
Added: October 10, 2021

2021 article

Hyperpolarization of common antifungal agents with SABRE

MacCulloch, K., Tomhon, P., Browning, A., Akeroyd, E., Lehmkuhl, S., Chekmenev, E. Y., & Theis, T. (2021, June 14). Magnetic Resonance in Chemistry, Vol. 6, pp. 1225–1235.

By: K. MacCulloch n, P. Tomhon n, A. Browning n, E. Akeroyd n, S. Lehmkuhl n, E. Chekmenev*, T. Theis n

Contributors: K. MacCulloch n, P. Tomhon n, A. Browning n, E. Akeroyd n, S. Lehmkuhl n, E. Chekmenev*, T. Theis n

author keywords: N-15; H-1; antifungals; clotrimazole and fluconazole; contrast agents; hyperpolarization; NMR; parahydrogen; SABRE; voriconazole
MeSH headings : Antifungal Agents; Catalysis; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Nitrogen Isotopes
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Atomic and Subatomic Physics Research
TL;DR: This work broadens the SABRE substrate scope and provides mechanistic and kinetic insights into the HP process, optimizing the polarization with respect to temperature and the polarization transfer field (PTF) for 1 H nuclei in the millitesla regime and for 15 N nucleiIn the microtesla regime, which provides detailed insights into exchange kinetics and spin evolution. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 21, 2021

2021 article

Intensified continuous extraction of switchable hydrophilicity solvents triggered by carbon dioxide

Han, S., Ramezani, M., TomHon, P., Abdel-Latif, K., Epps, R. W., Theis, T., & Abolhasani, M. (2021, January 1). Green Chemistry, Vol. 23, pp. 2900–2906.

By: S. Han n, M. Ramezani n, P. TomHon n, K. Abdel-Latif n, R. Epps n, T. Theis n, M. Abolhasani n

Contributors: S. Han n, M. Ramezani n, P. TomHon n, K. Abdel-Latif n, R. Epps n, T. Theis n, M. Abolhasani n

topics (OpenAlex): Innovative Microfluidic and Catalytic Techniques Innovation; Process Optimization and Integration; Carbon Dioxide Capture Technologies
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 1, 2021

2021 journal article

Micron-Scale NV-NMR Spectroscopy with Signal Amplification by Reversible Exchange

PRX Quantum, 2(1), 010305.

By: N. Arunkumar*, D. Bucher*, M. Turner*, P. TomHon n, D. Glenn*, S. Lehmkuhl n, M. Lukin*, H. Park* ...

Contributors: N. Arunkumar*, D. Bucher*, M. Turner*, P. Tomhon n, D. Glenn*, S. Lehmkuhl n, M. Lukin*, H. Park* ...

topics (OpenAlex): Diamond and Carbon-based Materials Research; High-pressure geophysics and materials; Atomic and Subatomic Physics Research
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: January 13, 2021

2021 article

Order‐Unity 13C Nuclear Polarization of [1‐13C]Pyruvate in Seconds and the Interplay of Water and SABRE Enhancement

Adelabu, I., TomHon, P., Kabir, M. S. H., Nantogma, S., Abdulmojeed, M., Mandzhieva, I., … Chekmenev, E. Y. (2021, November 23). ChemPhysChem, Vol. 11.

By: I. Adelabu*, P. TomHon n, M. Kabir*, S. Nantogma*, M. Abdulmojeed n, I. Mandzhieva n, J. Ettedgui*, R. Swenson* ...

Contributors: I. Adelabu*, P. TomHon n, M. Kabir*, S. Nantogma*, M. Abdulmojeed n, I. Mandzhieva n, J. Ettedgui*, R. Swenson* ...

author keywords: hyperpolarization; NMR spectroscopy; parahydrogen; C-13; pyruvate
MeSH headings : Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Nitrogen Isotopes; Pyruvic Acid; Water / chemistry
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Electron Spin Resonance Studies
TL;DR: Signal Amplification By Reversible Exchange in SHield Enabled Alignment Transfer (SABRE-SHEATH) is investigated to achieve rapid hyperpolarization of 13C1 spins of [1-13C]pyruvate, using parahydrogen as the source of nuclear spin order. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 10, 2021

2021 article

Temperature Cycling Enables Efficient 13C SABRE-SHEATH Hyperpolarization and Imaging of [1-13C]Pyruvate

TomHon, P., Abdulmojeed, M., Adelabu, I., Nantogma, S., Kabir, M. S. H., Lehmkuhl, S., … Theis, T. (2021, August 2). ChemRxiv.

topics (OpenAlex): Advanced NMR Techniques and Applications; Enzyme Structure and Function; Electron Spin Resonance Studies
Source: ORCID
Added: February 2, 2022

2021 article

Temperature Cycling Enables Efficient 13 C SABRE-SHEATH Hyperpolarization and Imaging of [1- 13 C]-Pyruvate

TomHon, P., Abdulmojeed, M., Adelabu, I., Nantogma, S., Kabir, M. S. H., Lehmkuhl, S., … Theis, T. (2021, December 23). Journal of the American Chemical Society, Vol. 12, pp. 282–287.

MeSH headings : Pyruvic Acid
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Atomic and Subatomic Physics Research
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9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 24, 2021

2020 journal article

Automated pneumatic shuttle for magnetic field cycling and parahydrogen hyperpolarized multidimensional NMR

Journal of Magnetic Resonance, 312, 106700.

By: P. TomHon n, E. Akeroyd n, S. Lehmkuhl n, E. Chekmenev* & T. Theis n

Contributors: P. TomHon n, E. Akeroyd n, S. Lehmkuhl n, E. Chekmenev* & T. Theis n

author keywords: Parahydrogen; SABRE; Magnetic field cycling; Pneumatic shuttling; Singlet states; Hyperpolarization
MeSH headings : Catalysis; Equipment Design; Hydrogen / chemistry; Magnetic Fields; Magnetic Resonance Spectroscopy / instrumentation; Models, Molecular; Nitrogen Isotopes / chemistry; Protons
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; NMR spectroscopy and applications
TL;DR: A simple-to-implement pneumatic sample shuttle system that enables automated 2D hyperpolarized NMR, including the first inverse 15N/1H HSQC, and uncovers binding mechanisms of the catalytic species through cross peaks that are not accessible in standard one-dimensional hyperPolarized experiments. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: March 23, 2020

Employment

Updated: January 19th, 2026 12:35

2025 - present

Wayne State University Detroit, Michigan, US
Associate Researcher Chemistry

2022 - 2024

Vizma Life Sciences Chapel Hill, North Carolina, US
Chief Scientific Officer

2018 - 2022

North Carolina State University Raleigh, North Carolina, US
Graduate Student Department of Chemistry

Education

Updated: August 14th, 2025 08:54

2018 - 2022

North Carolina State University Raleigh, North Carolina, US
Ph.D. (Physical and Analytical Chemistry)

2014 - 2018

University of Richmond Richmond, Virginia, US
B.A. (International Studies - Intl. Economics)

2014 - 2018

University of Richmond Richmond, Virginia, US
B.S. (Chemistry)

Funding History

Funding history based on the linked ORCID record. Updated: August 14th, 2025 08:55

grant February 1, 2023 - July 31, 2024
Non-invasive molecular imaging tool for rapid, longitudinal assessment of localized metabolic disruptions in animal research and care
Office of the Director
grant January 12, 2022 - December 31, 2024
Automated microfluidic hyperpolarization reactor for neurometabolic imaging
National Institute of Mental Health

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