MATRESHCA: Microtesla Apparatus for Transfer of Resonance Enhancement of Spin Hyperpolarization via Chemical Exchange and Addition

S Nantogma, MRH Chowdhury, MSH Kabir… - Analytical …, 2024 - ACS Publications
We present an integrated, open-source device for parahydrogen-based hyperpolarization
processes in the microtesla field regime with a cost of components of less than $7000. The …

[HTML][HTML] Hyperpolarised benchtop NMR spectroscopy for analytical applications

AIS Terra, DA Taylor, ME Halse - Progress in Nuclear Magnetic Resonance …, 2024 - Elsevier
Benchtop NMR spectrometers, with moderate magnetic field strengths (B 0= 1− 2. 4 T) and
sub-ppm chemical shift resolution, are an affordable and portable alternative to standard …

Development of a fully automated workstation for conducting routine SABRE hyperpolarization

J Yang, R **n, S Lehmkuhl, JG Korvink, JJ Brandner - Scientific Reports, 2024 - nature.com
SABRE is emerging as a fast, simple and low-cost hyperpolarization method because of its
ability to regenerate enhanced NMR signals. Generally, SABRE hyperpolarization has been …

Diversity of parahydrogen-induced hyperpolarization effects in chemistry

AN Pravdivtsev, B Tickner, S Glöggler… - arxiv preprint arxiv …, 2024 - arxiv.org
Nuclear spin hyperpolarization utilizing parahydrogen (pH2) has broad applications in
chemistry, biochemistry, and medicine. This review focuses on examining the less traveled …

Carbon-13 Radiofrequency Amplification by Stimulated Emission of Radiation of the Hyperpolarized Ketone and Hemiketal Forms of Allyl [1-13C]Pyruvate

S Nantogma, H de Maissin, I Adelabu… - ACS …, 2024 - ACS Publications
13C hyperpolarized pyruvate is an emerging MRI contrast agent for sensing molecular
events in cancer and other diseases with aberrant metabolic pathways. This metabolic …

Rapid in situ carbon-13 hyperpolarization and imaging of acetate and pyruvate esters without external polarizer

O Mohiuddin, H de Maissin, AN Pravdivtsev… - Communications …, 2024 - nature.com
Hyperpolarized 13C MRI visualizes real-time metabolic processes in vivo. In this study, we
achieved high 13C polarization in situ in the bore of an MRI system for precursor molecules …

The Steady‐State ALTADENA RASER Generates Continuous NMR Signals

J Yang, P Wang, JG Korvink, J J. Brandner… - …, 2023 - Wiley Online Library
Abstract A RASER (Radio Amplification by Stimulated Emission of Radiation) facilitates the
study of nonlinear phenomena, as well as the determination of NMR parameters with high …

Through-bond and through-space radiofrequency amplification by stimulated emission of radiation

IA Trofimov, OG Salnikov, AN Pravdivtsev… - Communications …, 2024 - nature.com
Abstract Radio Amplification by Stimulated Emission of Radiation (RASER) is a
phenomenon observed during nuclear magnetic resonance (NMR) experiments with …

Toward Ultra‐high‐quality‐factor Wireless Masing Magnetic Resonance Sensing

I Adelabu, S Nantogma, S Fleischer… - Angewandte …, 2024 - Wiley Online Library
It has been recently shown that a bolus of hyperpolarized nuclear spins can yield stimulated
emission signals similar in nature to that of maser, potentially enabling new ways of sensing …

13C Radiofrequency Amplification by Stimulated Emission of Radiation Threshold Sensing of Chemical Reactions

AB Schmidt, I Adelabu, C Nelson… - Journal of the …, 2023 - ACS Publications
Conventional nuclear magnetic resonance (NMR) enables detection of chemicals and their
transformations by exciting nuclear spin ensembles with a radio-frequency pulse followed by …