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Journal Highlight: Chemically synthesized peptide libraries as a new source of BBB shuttles. Use of mass spectrometry for peptide identification

Date: Oct 10, 2016

Author: spectroscopyNOW

A new high-throughput screening methodology has been developed to identify new peptide blood-brain barrier shuttles in a broadly unexplored chemical space, using state-of-the-art mass spectrometry techniques.

Read More thumbnail image: Journal Highlight Chemically synthesized peptide libraries as a new source of BBB shuttles_ Use of mass spectrometry for peptide identification

Pathogens in eggs: Marker metabolites pass through shells

Date: Oct 1, 2016

Author: Steve Down

Internal contamination of eggs by fungi and bacteria can be confirmed by detecting specific volatile compounds that diffuse through intact eggshells, providing a nondestructive monitor for the food and poultry industries.

Read More thumbnail image: Pathogens in eggs Marker metabolites pass through shells

Prebiotic acids: LC/MS analysis from spark discharge mixtures

Date: Sep 15, 2016

Author: Steve Down

The synthesis of α-hydroxy acids in prebiotic mixtures, which helped to create the organic compounds necessary for Life, can be studied more easily following the development of a new LC/MS method for their measurement.

Read More thumbnail image: Prebiotic acids LCMS analysis from spark discharge mixtures

Journal Highlight: Mass spectrometry-based plant metabolomics: Metabolite responses to abiotic stress

Date: Sep 6, 2016

Author: spectroscopyNOW

Recent applications of metabolomics to study plant responses to environmental factors including drought, salt, low oxygen caused by waterlogging or flooding, temperature, light and oxidative stress have been reviewed.

Read More thumbnail image: Journal Highlight Mass spectrometry-based plant metabolomics Metabolite responses to abiotic stress

Medicinal herb quality: Paper cone spray ionisation mass spectrometry

Date: Sep 1, 2016

Author: Steve Down

Paper cone spray ionisation, a recently developed form of ambient ionisation mass spectrometry, has been used for the chemical fingerprinting of raw Chinese medicinal herbs and can distinguish easily between phenotypes.

Read More thumbnail image: Medicinal herb quality Paper cone spray ionisation mass spectrometry

Burn wounds: Imaging mass spectrometry clues to healing

Date: Aug 17, 2016

Author: Steve Down

The protein changes occurring over time in the skin following serious burn injury have been investigated by imaging mass spectrometry, to try and identify factors which could prevent scar formation.

Read More thumbnail image: Burn wounds Imaging mass spectrometry clues to healing

Journal Highlight: Atmospheric solids analysis probe mass spectrometry for the rapid identification of pollens and semi-quantification of flavonoid fingerprints

Date: Aug 8, 2016

Author: spectroscopyNOW

ASAP-MS has been used for the characterization of flavonoids in pollens collected from different plant types (trees and bushes) in addition to bee pollens from distinct geographic regions.

Read More thumbnail image: Journal Highlight Atmospheric solids analysis probe mass spectrometry for the rapid identification of pollens and semi-quantification of flavonoid fingerprints

Beluga whale ages: Aspartic acid isomers by LC/MS

Date: Aug 3, 2016

Author: Steve Down

The age of a beluga whale can be determined from the ratio of its ocular aspartic acid isomers measured by LC/MS in a method that can be extended to other mammals, say researchers in Canada.

Read More thumbnail image: Beluga whale ages Aspartic acid isomers by LCMS

Indoor air pollutants: Links to respiratory problems in French houses

Date: Jul 19, 2016

Author: Steve Down

Volatile and semi-volatile compounds that have been implicated in respiratory problems have been measured in French homes where children live to assess the risks of exposure.

Read More thumbnail image: Indoor air pollutants Links to respiratory problems in French houses

Gunshot residue evidence: Secondary transfer from police equipment

Date: Jul 13, 2016

Author: Steve Down

Scientists in the US have used LC/MS and SEM/EDS to measure background levels of gunshot residue in police cars and stations to reduce the risk of false positive tests on criminals by secondary transfer mechanisms.

Read More thumbnail image: Gunshot residue evidence Secondary transfer from police equipment
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