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Journal Highlight: Mass spectrometry to complement standardization of house dust mite and other complex allergenic extracts

Date: Jun 5, 2017

Author: spectroscopyNOW

The use of mass spectrometry for measuring compositional differences among manufactured allergen extracts has been described using house dust mite allergen extracts as a prototypical complex extract that may be standardized.

Read More thumbnail image: Journal Highlight Mass spectrometry to complement standardization of house dust mite and other complex allergenic extracts

Multiple mycotoxin monitoring: Dried blood spots and dried serum spots

Date: Jun 1, 2017

Author: Steve Down

Multiple mycotoxins can be measured in blood spots and serum spots by LC/MS say European scientists, providing a more accurate way to estimate individual dietary exposure from contaminated food.

Read More thumbnail image: Multiple mycotoxin monitoring Dried blood spots and dried serum spots

Drug double take: Two ambient ionisation techniques for forensic work

Date: May 15, 2017

Author: Steve Down

Scientists with the FBI have adapted two ambient ionisation techniques for the rapid and accurate analysis of illegal drugs, illustrated with black tar heroin and Spice designer drugs.

Read More thumbnail image: Drug double take Two ambient ionisation techniques for forensic work

Journal Highlight: A simple headspace GC/MS method for the quantitative determination of the release of the antioxidants butylated hydroxyanisole and butylated hydroxytoluene from chewing gum

Date: May 8, 2017

Author: spectroscopyNOW

A headspace GC/MS method has been devised for measuring two common antioxidants in chewing gum as a model of a complex food matrix.

Read More thumbnail image: Journal Highlight A simple headspace GCMS method for the quantitative determination of the release of the antioxidants butylated hydroxyanisole and butylated hydroxytoluene from chewing gum

Neonicotinoids: Persistence in drinking water

Date: May 1, 2017

Author: Steve Down

Three common neonicotinoid insecticides have been detected in drinking water in the US after river water was passed through a conventional water treatment plant, presenting a risk to humans, but activated carbon filtration is a more successful treatment option

Read More thumbnail image: Neonicotinoids Persistence in drinking water

Cellular enzyme-substrate complexes: Probes for mass spectrometric detection

Date: Apr 15, 2017

Author: Steve Down

Enzyme complexes with other compounds that form in cells can be observed directly by mass spectrometry following a novel method developed in the US, in which an isotope-labelled probe is used to create a stable three-way complex with the enzyme and the substrate.

Read More thumbnail image: Cellular enzyme-substrate complexes Probes for mass spectrometric detection

Journal Highlight: Exploration of candidate biomarkers for human psoriasis based on gas chromatography-mass spectrometry serum metabolomics

Date: Apr 10, 2017

Author: spectroscopyNOW

Serum metabolomic profiles of patients with psoriasis have been examined to identify potential biomarkers and help to elucidate the pathogenesis of psoriasis and provide insights into early diagnosis and therapeutic intervention.

Read More thumbnail image: Journal Highlight Exploration of candidate biomarkers for human psoriasis based on gas chromatography-mass spectrometry serum metabolomics

Fabric sweat testing: Armpit excretions distinguish material and gender

Date: Apr 2, 2017

Author: Steve Down

The sweat volatiles that escape from armpits onto clothing that were analysed by 2D-GC/MS can be used to distinguish between the types of fabric and examine the effects of washing, while also revealing the gender of the subjects.

Read More thumbnail image: Fabric sweat testing Armpit excretions distinguish material and gender

Colorectal cancer prognosis: Imaging mass spectrometry of tissue microarrays

Date: Mar 16, 2017

Author: Steve Down

The life expectancy of people suffering from colorectal cancer has been linked to a number of signals derived from imaging mass spectrometry, which are also associated with the aggressiveness of the tumour.

Read More thumbnail image: Colorectal cancer prognosis Imaging mass spectrometry of tissue microarrays

Journal Highlight: Analysis of soluble components in coals and interpretations for the complex mass spectra

Date: Mar 13, 2017

Author: spectroscopyNOW

Soluble products from the thermal dissolution of Chinese coals have been analyzed by LC/MS, revealing the distributions of isomers to describe the content inequality of organic species within the same class of coal molecules.

Read More thumbnail image: Journal Highlight Analysis of soluble components in coals and interpretations for the complex mass spectra
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