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Insider fingerprints

Date: Aug 1, 2009

Author: David Bradley

An Italian and German research team has used NMR spectroscopy to fingerprint a person's metabolic phenotype. Their work shows that while the range of metabolic products and their concentrations varies significantly from person to person they are relatively stable over time for each individual.

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A medical tale in the sting

Date: Jul 15, 2009

Author: David Bradley

The venom of the bee, Lasioglossum laticeps, contains three novel antimicrobial compounds known as lasioglossins, which have been structurally characterised by NMR spectroscopy. The compounds offer a new avenue for developing new antibiotics that might defeat drug-resistant bacteria.

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Slick approach to vegetable oil analysis

Date: Jul 1, 2009

Author: David Bradley

Researchers have developed a novel approach to the rapid assignment of carbon-13 NMR spectra to the major components of vegetable oils such as avocado, mango kernel and macadamia nut oils.

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Chemical directors

Date: Jun 15, 2009

Author: David Bradley

The activation of aromatic carbon-hydrogen bonds is a complicated business, but NMR spectroscopy has now provided new insights into a new approach with wide potential in synthetic organic chemistry.

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Toxic fungal triangle

Date: Jun 1, 2009

Author: David Bradley

Proton NMR spectroscopy has been used to identify the lethal toxic culprit in a spate of recent food poisoning incidents among Japanese people eating mushrooms including the species Russula subnigricans.

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Chemical law and disorder in the wild

Date: May 15, 2009

Author: David Bradley

An international team has used solid state NMR to determine the structure of the chlorophyll molecules in green bacteria that are responsible for harvesting light energy.

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Direct detection of alkylphosphonic acids in environmental matrices by proton coupled phosphorus NMR

Date: May 8, 2009

Author:

A simple, convenient, and direct one-dimensional (1D) 31P NMR technique is demonstrated first time for the detection of alkyl- phosphonic acids (marker of nerve agents) in the environmental samples.

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Recycling carbon dioxide

Date: May 1, 2009

Author: David Bradley

A research team in Singapore has developed an alternative to simply burying carbon dioxide captured from sources such as coal-fired power stations. Their experiments used NMR spectroscopy to track the catalytic conversion of carbon dioxide into methanol under very mild reaction conditions.

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Teasing out NMR with a stripline

Date: Apr 15, 2009

Author: David Bradley

A high-resolution NMR flow probe for microfluidic systems based on a new type of stripline detector chip has been developed by researchers in The Netherlands. The tool could be useful in direct monitoring of chemical reactions performed in so-called lab-on-a-chip devices.

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Naturally synthetic capsules

Date: Apr 1, 2009

Author: David Bradley

Synthetic capsules made from natural building blocks have been studied with NMR spectroscopy. The block copolymer capsules made from protein and sugar components mimic the behaviour of cells and might be useful as microreactors or as drug-delivery agents.

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