NMR 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.
Journal Highlight: Assessment of higher order structure comparability in ... - spectroscopyNOW.com
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Journal Highlight: Assessment of higher order structure comparability in ...
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Abstract: In this work, we applied nuclear magnetic resonance (NMR) spectroscopy to rapidly assess higher order structure (HOS) comparability in protein samples. Using a variation of the NMR fingerprinting approach described by Panjwani et al.
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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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04-29-2013 06:02 PM
Journal Highlight: NMR quadrupole liouvillians for arbitrary spin: Exact symbolic expressions and perturbation solutions
Journal Highlight: NMR quadrupole liouvillians for arbitrary spin: Exact symbolic expressions and perturbation solutions
http://www.spectroscopynow.com/common/images/thumbnails/13dc0c363d3.jpgThe NMR of quadrupolar nuclei with half-integer spins, which is described by treating the quadrupole interaction with second-order perturbation theory, has been elaborated on by calculating the transitions directly without the requirement of knowing the operators and wavefunctions.
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04-01-2013 04:23 PM
[NMR paper] Heteronuclear NMR provides an accurate assessment of therapeutic insulin's quality.
Heteronuclear NMR provides an accurate assessment of therapeutic insulin's quality.
Related Articles Heteronuclear NMR provides an accurate assessment of therapeutic insulin's quality.
J Pharm Biomed Anal. 2013 Feb 20;78-79C:252-254
Authors: Quinternet M, Starck JP, Delsuc MA, Kieffer B
Abstract
New generations of drugs are using more and more often therapeutic proteins as the active ingredient, prompting the regulation agencies to adapt their analytical methods. Fast and unambiguous information on the secondary, tertiary and quaternary...
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03-19-2013 01:22 PM
Journal Highlight: How to tickle spins with a Fourier Transform NMR spectrometer
Journal Highlight: How to tickle spins with a Fourier Transform NMR spectrometer
http://www.spectroscopynow.com/common/images/thumbnails/13c920587a1.jpgSpin tickling can readily be achieved in homonuclear systems with Fourier transform NMR spectrometers by applying short pulses in the intervals between the sampling points.
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02-04-2013 08:00 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.
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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