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Journal Highlight: T1 Nuclear magnetic relaxation dispersion of hyperpolarized sodium and cesium hydrogencarbonate-13C

Date: Sep 4, 2017

Author: spectroscopyNOW

The T1 dispersion from low to clinical magnetic fields of different hyperpolarized hydrogencarbonate formulations previously proposed in the literature for in vivo pH measurements has been measured to aid pH mapping in tissue.

Read More thumbnail image: Journal Highlight T1 Nuclear magnetic relaxation dispersion of hyperpolarized sodium and cesium hydrogencarbonate-13C

Date rape drug metabolite: NMR reveals evidence next day

Date: Aug 15, 2017

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy can be used to quickly identify a biomarker for the presence of gamma-hydroxybutyric acid (GHB, the so-called "date rape" drug) in a biological sample from a putative victim of crime. Details are reported in the American Chemical Society's journal Analytical Chemistry.

Read More thumbnail image: Date rape drug metabolite NMR reveals evidence next day

Social rank: Stressed out by NMR

Date: Aug 1, 2017

Author: David Bradley

Social ranking is a major determining factor for vulnerability to chronic stress, according to a new study that uses nuclear magnetic resonance (NMR) spectroscopy to look at energy metabolism in the brain as a predictive biomarker.

Read More thumbnail image: Social rank Stressed out by NMR

Journal Highlight: Interpretation of seemingly contradictory data: Low NMR S2 order parameters observed in helices and high NMR S2 order parameters in disordered loops of the protein hGH at low pH

Date: Jul 31, 2017

Author: spectroscopyNOW

S2 order parameter-restraining MD simulations have been used to explain the contradictory S2 order parameters for backbone N−H vectors derived from NMR relaxation measurements on hGH at low pH.

Read More thumbnail image: Journal Highlight Interpretation of seemingly contradictory data Low NMR S2 order parameters observed in helices and high NMR S2 order parameters in disordered loops of the protein hGH at low pH

Phosphorus rubber: Multinuclear NMR

Date: Jul 15, 2017

Author: David Bradley

Poly-(1-phospha-isoprene) is a phosphorus-containing analogue of natural rubber that might find applications in creating macromolecular gold complexes for use in nanotechnology. 31P{1H} nuclear magnetic resonance (NMR) spectroscopy was used to provide a preliminary structure of the compound.

Read More thumbnail image: Phosphorus rubber Multinuclear NMR

Journal Highlight: Territorial origin of olive oil: representing georeferenced maps of olive oils by NMR profiling

Date: Jul 3, 2017

Author: spectroscopyNOW

1H NMR spectra have been used to build a geographic information system map permitting the identification of territorial regions of Italian olive oils having strong similarities in chemical content.

Read More thumbnail image: Journal Highlight Territorial origin of olive oil representing georeferenced maps of olive oils by NMR profiling

Closed model: NMR and X-rays open up enzyme clue

Date: Jul 1, 2017

Author: David Bradley

A structural model of the closed state of the "energy budget" enzyme adenylate kinase emerges from a nuclear magnetic resonance (NMR) spectroscopy and X-ray crystallography study by European scientists.

Read More thumbnail image: Closed model NMR and X-rays open up enzyme clue

Stony coral: NMR and climate resistance

Date: Jun 15, 2017

Author: David Bradley

2D nuclear magnetic resonance (NMR) spectroscopy and ultra-high-resolution 3D imaging have been used to investigate a well-known and previously well-studied stony coral of the Indo-Pacific to reveal that it precipitates minerals through a biologically driven process. The findings suggest that this particular species may be more resistant to climate change than first thought.

Read More thumbnail image: Stony coral NMR and climate resistance

Journal Highlight: Mutual diffusion driven NMR: a new approach for the analysis of mixtures by spatially resolved NMR spectroscopy

Date: Jun 6, 2017

Author: spectroscopyNOW

A new approach has been established for resolving the NMR spectra of mixtures, relying on the mutual diffusion of dissolved species when a concentration gradient is established within the NMR tube.

Read More thumbnail image: Journal Highlight Mutual diffusion driven NMR a new approach for the analysis of mixtures by spatially resolved NMR spectroscopy

Nanosubmarine: NMR watches self destruction

Date: Jun 1, 2017

Author: David Bradley

Nuclear magnetic resonance (NMR) spectroscopy and other techniques have been used to characterise and observe the properties of a redox-sensitive stomatocyte nanomotor that could be used to deliver and release drugs directly to cells in the body.

Read More thumbnail image: Nanosubmarine NMR watches self destruction
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