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Journal Highlight: Quantification of odor active compounds from Boswellia sacra frankincense by stable isotope dilution assays (SIDA) in combination with TDU-GC-MS

Date: Sep 14, 2015

Author: separationsNOW

A highly efficient method was described for the rapid quantification of selected odorants from Boswellia sacra frankincense, using thermal desorption to drive them from the sticky substance.

Read More thumbnail image: Journal Highlight Quantification of odor active compounds from Boswellia sacra frankincense by stable isotope dilution assays SIDA in combination with TDU-GC-MS

Skeletal drug analysis by GC/MS: Metabolites help to uncover drug history

Date: Sep 1, 2015

Author: Steve Down

A novel GC/MS method for measuring drugs and their metabolites in decomposed bones, illustrated with dextromethorphan and dextrorphan, will help to ascertain drug taking patterns of deceased victims.

Read More thumbnail image: Skeletal drug analysis by GCMS Metabolites help to uncover drug history

Citrus oil sesquiterpenes: Multi-GC method characterisation

Date: Aug 24, 2015

Author: Steve Down

The sesquiterpenes in essential oils of citrus plants have been characterised by a combination of HPLC and several GC techniques, including 2D GC, to provide broader coverage.

Read More thumbnail image: Citrus oil sesquiterpenes Multi-GC method characterisation

Journal Highlight: Analytic setup for multicomponent high-pressure phase equilibria via dual online gas chromatography

Date: Aug 17, 2015

Author: separationsNOW

A high-pressure analytic phase equilibria setup was developed to produce accurate phase composition data for supercritical systems that is well-suited to handle mixture constituents ranging from volatile gases to mid-length hydrocarbons.

Read More thumbnail image: Journal Highlight Analytic setup for multicomponent high-pressure phase equilibria via dual online gas chromatography

Hidden human emission profiles: Exogenous compounds should be included

Date: Aug 3, 2015

Author: Steve Down

Humans can be located from a group of volatile compounds emitted on the breath and through the skin, including exogenous compounds from personal care products and foods, to help in the search for disaster victims, bodies and hidden criminals.

Read More thumbnail image: Hidden human emission profiles Exogenous compounds should be included

Reclaimed tyre volatiles: GC and GC/MS profiles

Date: Jul 21, 2015

Author: Steve Down

The identities and levels of volatile organic compounds produced during the continuous thermomechanical reclamation of tyre rubber, measured by headspace GC and GC/MS, show that oxidative degradation occurs during the process.

Read More thumbnail image: Reclaimed tyre volatiles GC and GCMS profiles

Journal Highlight: Application of gas chromatography–tandem mass spectrometry (GC/MS/MS) for the analysis of deuterium enrichment of water

Date: Jul 13, 2015

Author: separationsNOW

A sensitive method to determine deuterium enrichment in body water was developed to enable measurement of fat mass and fat-free mass in humans.

Read More thumbnail image: Journal Highlight Application of gas chromatographytandem mass spectrometry GCMSMS for the analysis of deuterium enrichment of water

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
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