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Bees know their onions: Floral scent attraction

Date: Jul 1, 2015

Author: Steve Down

The volatile compounds emitted by the nectar and flowers of onion plants have been correlated with the number of visits made by bees following a comprehensive GC/MS study.

Read More thumbnail image: Bees know their onions Floral scent attraction

Cannabinoids in children’s hair: External contamination dominates

Date: Jun 22, 2015

Author: Steve Down

The dangers of assessing cannabis compounds in children’s hair in child protection cases have been highlighted by researchers in Germany who found that external contamination of hair is rife and must be factored in.

Read More thumbnail image: Cannabinoids in childrens hair External contamination dominates

Journal Highlight: Biosynthetic studies of the male marking pheromone in bumblebees by using labelled fatty acids and 2D GC/MS

Date: Jun 15, 2015

Author: separationsNOW

2D-GC/MS was used as a tool for biosynthetic studies of bumblebee male marking pheromones of Bombus lucorum, Bombus lapidarius and Bombus terrestris.

Read More thumbnail image: Journal Highlight Biosynthetic studies of the male marking pheromone in bumblebees by using labelled fatty acids and 2D GCMS

Acrylamide in foods: GC with chemiluminescence detection

Date: Jun 1, 2015

Author: Steve Down

A simple GC method for measuring acrylamide in food could be used as a screening step before the more expensive GC/MS or LC/MS assays, says its Chinese developer.

Read More thumbnail image: Acrylamide in foods GC with chemiluminescence detection

Coal tar complexity: 2D GC and FTICR MS reveal thousands of components

Date: May 25, 2015

Author: Steve Down

Coal tar residues that collected on a Texan beach following an oil spill consist of thousands of individual compounds that were detected using a combination of 2D GC, 2D GC/MS and FTICR MS, say US researchers.

Read More thumbnail image: Coal tar complexity 2D GC and FTICR MS reveal thousands of components

Journal Highlight: Identification of endogenous metabolites in human sperm cells using 1H-NMR and GC-MS

Date: May 18, 2015

Author: separationsNOW

The first comprehensive metabolomic characterization of the human sperm cell using two untargeted platforms based on 1H-NMR spectroscopy and GC-MS yielded a total of 69 metabolites.

Read More thumbnail image: Journal Highlight Identification of endogenous metabolites in human sperm cells using 1H-NMR and GC-MS

Indoor air quality: Pollutant sources by GC/MS

Date: May 4, 2015

Author: Steve Down

A comprehensive study of the airborne contaminants in Canadian homes has identified the top ten major pollutants originating from indoor and outdoor sources.

Read More thumbnail image: Indoor air quality Pollutant sources by GCMS

Coffee club: Terpene ratios from GC equate to quality

Date: Apr 20, 2015

Author: Steve Down

Diterpene compounds in crude coffee oils have been analysed intact by GC with pulsed split injection, allowing a relationship between their content and coffee quality to be established.

Read More thumbnail image: Coffee club Terpene ratios from GC equate to quality

Journal Highlight: A simple method for the separation and quantification of neutral lipid species using GC-MS

Date: Apr 13, 2015

Author: separationsNOW

A simple GC-MS method has been developed for the determination of neutral lipids in yeast, enabling the measurement of molecular species of diacylglycerols, triacylglycerols and sterol esters.

Read More thumbnail image: Journal Highlight A simple method for the separation and quantification of neutral lipid species using GC-MS

Firefighter foes: PBDEs in serum

Date: Mar 30, 2015

Author: Steve Down

Firefighters in California are exposed to high levels of the PBDE flame retardants, which can be reduced by good clean up practice after fires.

Read More thumbnail image: Firefighter foes PBDEs in serum
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