GEG - Geothermal Energy and Geofluids

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Wagle, K., Altenhof, A. R., Crotzer, M. G., Alvarez, M. A., Batrice, R. J., Williams, R. F., Tondreau, A. M., Mattsson, A. E., Mason, H. E., Rehn, D. A., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedCommunications Chemistry(Published: September 21, 2026)

DOIDOI: 10.1038/s42004-026-02191-4

Possible False Negative: Marked as Non-GEG ("no"), but published on September 21, 2026 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Newman, S. G., Williams, R. F., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedThe Journal of Physical Chemistry A 130, pp. 7059–7070(Published: September 10, 2026)

DOIDOI: 10.1021/acs.jpca.6c00487

Possible False Negative: Marked as Non-GEG ("no"), but published on September 10, 2026 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Optimal Experimental Design for Fast and Accurate Relaxation Time Measurements in Magnetic Resonance

Klein, N., Altenhof, A. R., Day, A. J., Espy, M. E., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedMagnetic Resonance in Chemistry, Art. mrc.70140(Published: September 10, 2026)

DOIDOI: 10.1002/mrc.70140

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Day, A. J., Klein, N., Altenhof, A. R., Mason, H. E., Malone, M. W., and Williamson, S. A.

2025Refereed Publications in Journals Peer-ReviewedData Science in Science 4, Art. 2597606(Published: December 31, 2025)

DOIDOI: 10.1080/26941899.2025.2597606

Possible False Negative: Marked as Non-GEG ("no"), but published on December 31, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

Malone, M. W., Mason, H. E., Altenhof, A. R., and Espy, M. E.

2025Refereed Publications in Journals Peer-ReviewedPNAS Nexus 4(Published: July 1, 2025)

DOIDOI: 10.1093/pnasnexus/pgaf190

Possible False Negative: Marked as Non-GEG ("no"), but published on July 1, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

A high-volume resonator for L-band DNP-NMR

Altenhof, A. R., Yang, Q., Kern, M., Newman, S. G., Anders, J., and Malone, M. W.

2024Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 368, Art. 107788(Published: November 1, 2024)

DOIDOI: 10.1016/j.jmr.2024.107788

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Malone, M. W., and Williams, R. F.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 355, Art. 107540(Published: October 1, 2023)

DOIDOI: 10.1016/j.jmr.2023.107540

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Wagle, K., Altenhof, A. R., Crotzer, M. G., Alvarez, M. A., Batrice, R. J., Williams, R. F., Tondreau, A. M., Mattsson, A. E., Mason, H. E., Rehn, D. A., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedCommunications Chemistry(Published: September 21, 2026)

DOIDOI: 10.1038/s42004-026-02191-4

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Newman, S. G., Williams, R. F., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedThe Journal of Physical Chemistry A 130, pp. 7059–7070(Published: September 10, 2026)

DOIDOI: 10.1021/acs.jpca.6c00487

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Optimal Experimental Design for Fast and Accurate Relaxation Time Measurements in Magnetic Resonance

Klein, N., Altenhof, A. R., Day, A. J., Espy, M. E., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedMagnetic Resonance in Chemistry, Art. mrc.70140(Published: September 10, 2026)

DOIDOI: 10.1002/mrc.70140

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Day, A. J., Klein, N., Altenhof, A. R., Mason, H. E., Malone, M. W., and Williamson, S. A.

2025Refereed Publications in Journals Peer-ReviewedData Science in Science 4, Art. 2597606(Published: December 31, 2025)

DOIDOI: 10.1080/26941899.2025.2597606

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

Malone, M. W., Mason, H. E., Altenhof, A. R., and Espy, M. E.

2025Refereed Publications in Journals Peer-ReviewedPNAS Nexus 4(Published: July 1, 2025)

DOIDOI: 10.1093/pnasnexus/pgaf190

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

A high-volume resonator for L-band DNP-NMR

Altenhof, A. R., Yang, Q., Kern, M., Newman, S. G., Anders, J., and Malone, M. W.

2024Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 368, Art. 107788(Published: November 1, 2024)

DOIDOI: 10.1016/j.jmr.2024.107788

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Malone, M. W., and Williams, R. F.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 355, Art. 107540(Published: October 1, 2023)

DOIDOI: 10.1016/j.jmr.2023.107540

Michael W. Malone

Published As

Publications

Refereed Publications in Journals

2026 (3 publications - to date)

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Optimal Experimental Design for Fast and Accurate Relaxation Time Measurements in Magnetic Resonance

2025 (2 publications)

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

2024 (1 publication)

A high-volume resonator for L-band DNP-NMR

2023 (1 publication)

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

Refereed Publications in Journals

2026 (3 publications - to date)

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Optimal Experimental Design for Fast and Accurate Relaxation Time Measurements in Magnetic Resonance

2025 (2 publications)

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

2024 (1 publication)

A high-volume resonator for L-band DNP-NMR

2023 (1 publication)

On the effects of quadrupolar relaxation in Earth’s field NMR spectra