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Automated nuclear magnetic resonance fingerprinting of mixtures
Magn Reson Chem. 2023 Jul 29. doi: 10.1002/mrc.5381. Online ahead of print.ABSTRACTNuclear magnetic resonance (NMR) spectroscopy is a powerful tool for qualitative and quantitative analysis. However, for complex mixtures, determining the speciation from NMR spectra can be tedious and sometimes even unfeasible. On the other hand, identifying and quantifying structural groups in a mixture from NMR spectra is much easier than doing the same for components. We call this group-based approach "NMR fingerprinting." In this work, we show that NMR fingerprinting can even be performed in an automated way, without expert knowledge, b...
Source: Magnetic Resonance in Chemistry : MRC - July 29, 2023 Category: Chemistry Authors: Thomas Specht Justus Arweiler Johannes St über Kerstin M ünnemann Hans Hasse Fabian Jirasek Source Type: research

Observing exocrine pancreas metabolism using a novel pancreas perfusion technique in combination with hyperpolarized [1- < sup > 13 < /sup > C]pyruvate
Magn Reson Chem. 2023 Jul 22. doi: 10.1002/mrc.5382. Online ahead of print.ABSTRACTIn a clinical setting, ex vivo perfusions are routinely used to maintain and assess organ viability prior to transplants. Organ perfusions are also a model system to examine metabolic flux while retaining the local physiological structure, with significant success using hyperpolarized (HP) 13 C NMR in this context. We use a novel exocrine pancreas perfusion technique via the common bile duct to assess acinar cell metabolism with HP [1-13 C]pyruvate. The exocrine component of the pancreas produces digestive enzymes through the ductal system a...
Source: Magnetic Resonance in Chemistry : MRC - July 24, 2023 Category: Chemistry Authors: Anna Rushin Marc A McLeod Mukundan Ragavan Matthew E Merritt Source Type: research

Correction to "Revisiting aliasing noise to build more robust sparsity in nonuniform sampling 2D-NMR"
Magn Reson Chem. 2023 Jul 24. doi: 10.1002/mrc.5383. Online ahead of print.NO ABSTRACTPMID:37485992 | DOI:10.1002/mrc.5383 (Source: Magnetic Resonance in Chemistry : MRC)
Source: Magnetic Resonance in Chemistry : MRC - July 24, 2023 Category: Chemistry Source Type: research

< sup > 17 < /sup > O nuclear magnetic resonance: Recent advances and applications
Magn Reson Chem. 2023 Jul 14. doi: 10.1002/mrc.5378. Online ahead of print.ABSTRACTThe present review is focused on the most recent achievements in the application of liquid phase 17 O nuclear magnetic resonance (NMR) to inorganic, organic, and biochemical molecules focusing on their structure, conformations, and (bio)chemical behavior. The review is composed of four basic parts, namely, (1) simple molecules; (2) water and hydrogen bonding; (3) metal oxides, clusters, and complexes; and (4) biological molecules. Experimental 17 O NMR chemical shifts are thoroughly tabulated. They span a range of as much as almost 650 ppm (...
Source: Magnetic Resonance in Chemistry : MRC - July 14, 2023 Category: Chemistry Authors: Leonid B Krivdin Source Type: research