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Instant coffee aroma: Blend profiles by proton transfer reaction mass spectrometry

Date: Aug 15, 2015

Author: Steve Down

Analysis of the aromas of different mixtures of instant coffees by proton transfer reaction mass spectrometry has shown that the profiles can be predicted accurately, unveiling a new product development tool for the food industry.

Read More thumbnail image: Instant coffee aroma Blend profiles by proton transfer reaction mass spectrometry

Journal Highlight: The emerging role of native mass spectrometry in characterizing the structure and dynamics of macromolecular complexes

Date: Aug 10, 2015

Author: spectroscopyNOW

The application of native mass spectrometry to the study of protein−ligand interactions and its emerging role in elucidating the structure of macromolecular assemblies, including soluble and membrane protein complexes, is reviewed.

Read More thumbnail image: Journal Highlight The emerging role of native mass spectrometry in characterizing the structure and dynamics of macromolecular complexes

Sweat testing for lung cancer: Metabolite panel proposed

Date: Aug 1, 2015

Author: Steve Down

Human metabolites that are excreted into sweat have been examined as potential indicators of lung cancer, a panel of five showing promise for preliminary screening before carrying out more expensive confirmatory tests.

Read More thumbnail image: Sweat testing for lung cancer Metabolite panel proposed

Legal highs: Single method for 143 drugs

Date: Jul 15, 2015

Author: Steve Down

A single LC/MS method for 143 legal highs across different chemical classes which has been developed by scientists in Poland will help forensic and clinical labs to keep pace with the escalating number of new substances on the market.

Read More thumbnail image: Legal highs Single method for 143 drugs

Journal Highlight: Plasma-based ambient mass spectrometry techniques: The current status and future prospective

Date: Jul 6, 2015

Author: spectroscopyNOW

An overview is presented of the key concepts, mechanisms and applications of plasma-based ambient mass spectrometry techniques, and the challenges and outlook are discussed.

Read More thumbnail image: Journal Highlight Plasma-based ambient mass spectrometry techniques The current status and future prospective

Malondialdehyde in humid air: SIFT monitoring for diseases

Date: Jul 2, 2015

Author: Steve Down

Malondialdehyde has been measured in humid air by SIFT mass spectrometry, providing the means to test for this lipid peroxidation product in the air above biological fluids as a marker of infection and disease.

Read More thumbnail image: Malondialdehyde in humid air SIFT monitoring for diseases

Agrochemical trisiloxane surfactants: Accumulation in flowers by LC/MS

Date: Jun 16, 2015

Author: Steve Down

Scientists in the US who have been studying the effects of trisiloxane surfactants on honeybees have developed a method to characterise these polymeric compounds in agrochemicals and floral extracts.

Read More thumbnail image: Agrochemical trisiloxane surfactants Accumulation in flowers by LCMS

Journal Highlight: Cocoa content influences chocolate molecular profile investigated by MALDI-TOF mass spectrometry

Date: Jun 8, 2015

Author: spectroscopyNOW

MALDI-TOF MS analysis of the low-molecular-mass profile has been used to classify chocolate samples according to the cocoa content, allowing unknown samples to be assigned to the main chocolate categories.

Read More thumbnail image: Journal Highlight Cocoa content influences chocolate molecular profile investigated by MALDI-TOF mass spectrometry

Lending a hand: Cocaine metabolites in fingerprints confirm drug taking

Date: Jun 1, 2015

Author: Steve Down

A new drugs test for cocaine detects its two principal metabolites in latent fingerprints, paving the way for a rapid test that can distinguish simple contact from actual use.

Read More thumbnail image: Lending a hand Cocaine metabolites in fingerprints confirm drug taking

Condom classification: Ambient mass spec distinguishes brands

Date: May 15, 2015

Author: Steve Down

The chemicals found in condoms can be used to distinguish different brands by two ambient mass spectrometry techniques, providing extra forensic evidence which might help to identify criminal suspects.

Read More thumbnail image: Condom classification Ambient mass spec distinguishes brands
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