The solid-state 13C and solution 1H NMR spectra of fossilized resins (ambers) has generated five groupings of materials based on spectral characteristics.
Journal Highlight: Rapid assessment of the illegal presence of 1,3-dimethylamylamine (DMAA) in sports nutrition and dietary supplements using 1H NMR spectroscopy
Journal Highlight: Rapid assessment of the illegal presence of 1,3-dimethylamylamine (DMAA) in sports nutrition and dietary supplements using 1H NMR spectroscopy
http://www.spectroscopynow.com/common/images/thumbnails/14898526bb5.jpgA proton NMR method was developed and validated for measuring 1,3-dimethylamylamine in sports nutrition and dietary supplements and is recommended for routine use in food testing, customs or doping control laboratories.
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Journal Highlight: Assessment of higher order structure comparability in therapeutic proteins using nuclear magnetic resonance spectroscopy
Journal Highlight: Assessment of higher order structure comparability in therapeutic proteins using nuclear magnetic resonance spectroscopy
http://www.spectroscopynow.com/common/images/thumbnails/13ef9b3d882.jpgNMR spectroscopy using a fingerprinting approach has been used to rapidly assess higher order structure comparability in three nonglycosylated proteins spanning a molecular weight range of 6.5–67 kDa.
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06-03-2013 04:21 PM
Journal Highlight: Utilizing NMR and EPR spectroscopy to probe the role of copper in prion diseases
Journal Highlight: Utilizing NMR and EPR spectroscopy to probe the role of copper in prion diseases
http://www.spectroscopynow.com/common/images/thumbnails/13e5065f06a.jpgCurrent research on the role of copper in the conformational changes associated with prion diseases are reviewed with emphasis on the latest applications of NMR and EPR spectroscopy to probe the interactions of copper with prion proteins.
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nmrlearner
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04-29-2013 06:02 PM
Journal Highlight: Determination of free fatty acids in edible oils by 1H NMR spectroscopy
Journal Highlight: Determination of free fatty acids in edible oils by 1H NMR spectroscopy
http://www.spectroscopynow.com/common/images/thumbnails/13c10b7ddda.jpgA novel proton NMR assay for the determination of free fatty acids in edible oils is a suitable alternative to the acid value method.
Source: Spectroscopynow.com
nmrlearner
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02-03-2013 08:49 AM
Journal Highlight: Combined use of filtered and edited 1H NMR spectroscopy to detect 13C-enriched compounds in complex mixtures
Journal Highlight: Combined use of filtered and edited 1H NMR spectroscopy to detect 13C-enriched compounds in complex mixtures
http://www.spectroscopynow.com/common/images/thumbnails/13b5c5e9785.jpgThe 13C background signal can be distinguished from resonances of 13C-enriched xenobiotics by the absence of a 12C component, detected by combined analysis of 13C-filtered and -edited proton NMR spectra.
Source: Spectroscopynow.com