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Journal Highlight: Metabolomic analyses of the haemolymph of the Asian citrus psyllid Diaphorina citri, the vector of huanglongbing

Date: Jun 26, 2017

Author: separationsNOW

Scientists in the US have used gas chromatography and anion-exchange chromatography to analyze the chemical composition of the insect circulatory fluid known as haemolymph in the Asian citrus psyllid, a major insect pest of citrus plants.

Read More thumbnail image: Journal Highlight Metabolomic analyses of the haemolymph of the Asian citrus psyllid Diaphorina citri the vector of huanglongbing

Journal Highlight: Separation of cucurbitane triterpenoids from bitter melon drinks and determination of partition coefficients using vortex-assisted dispersive LPME followed by UHPLC analysis

Date: Jun 26, 2017

Author: separationsNOW

Researchers in the US and China have developed a novel vortex-assisted liquid–liquid microextraction method for extracting cucurbitane triterpenoids from bitter melon juices.

Read More thumbnail image: Journal Highlight Separation of cucurbitane triterpenoids from bitter melon drinks and determination of partition coefficients using vortex-assisted dispersive LPME followed by UHPLC analysis

Journal Highlight: The effect of ageing on changes in myofibrillar protein in selected muscles in relation to the tenderness of meat obtained from cross-breed heifers

Date: Jun 26, 2017

Author: separationsNOW

Polish food scientists have used gel electrophoresis and Western blotting to investogate the effects of aging on selected myofibrillar proteins in meat from cows.

Read More thumbnail image: Journal Highlight The effect of ageing on changes in myofibrillar protein in selected muscles in relation to the tenderness of meat obtained from cross-breed heifers

SERS goes down the tubes: Combining LC with surface-enhanced Raman spectroscopy

Date: Jun 19, 2017

Author: Jon Evans

Using tubes and droplets, British scientists have come up with a novel method for combining liquid chromatography with surface-enhanced Raman spectroscopy.

Read More thumbnail image: SERS goes down the tubes Combining LC with surface-enhanced Raman spectroscopy

Espresso extraction: Treat yourself to a tasty new extraction method

Date: Jun 19, 2017

Author: Jon Evans

In the search for faster, cheaper, greener extraction methods, Spanish scientists have discovered that there’s nothing quite like a good cup of espresso.

Read More thumbnail image: Espresso extraction Treat yourself to a tasty new extraction method

Journal Highlight: Quantitative method for analysis of tobacco-specific N-nitrosamines in mainstream cigarette smoke by using heart-cutting 2D LC with tandem MS

Date: Jun 19, 2017

Author: separationsNOW

A heart-cutting 2D-LC/MS/MS method developed for the analysis of tobacco-specific N-nitrosamines at low concentrations in Virginia-type cigarette smoke produced almost no matrix interference compared with traditional methodologies.

Read More thumbnail image: Journal Highlight Quantitative method for analysis of tobacco-specific N-nitrosamines in mainstream cigarette smoke by using heart-cutting 2D LC with tandem MS

Winding path to DNA electrophoresis: A novel form of pulsed field gel electrophoresis

Date: Jun 19, 2017

Author: Jon Evans

A novel form of pulsed field gel electrophoresis that can continuously and speedily separate small strands of DNA could form the basis for new genetic sequencing and medical diagnosis devices.

Read More thumbnail image: Winding path to DNA electrophoresis A novel form of pulsed field gel electrophoresis

Alzheimer's biomarkers: Novel metabolites and protein candidates

Date: Jun 15, 2017

Author: Steve Down

Scientists in China have identified a range of potential biomarkers of Alzheimer's disease from a metabolomics and proteomics study of the rat model, providing insight into diagnosis of the condition and candidates for therapeutic targets.

Read More thumbnail image: Alzheimers biomarkers Novel metabolites and protein candidates

LC on a nano-scale measures steroids in the whale

Date: Jun 15, 2017

Author: Ryan De Vooght-Johnson

Measurements of the levels of steroid hormones in live whales is crucial to understanding their health and breeding capacity. Researchers from Texas Tech University and the University of Alaska Fairbanks have devised a novel nano-LC-MS/MS method of steroid analysis that requires smaller blubber samples than existing techniques.

Read More thumbnail image: LC on a nano-scale measures steroids in the whale

Plastic packaging pongs profiled by 2D GC

Date: Jun 15, 2017

Author: Ryan De Vooght-Johnson

Ideally, waste plastic packaging should be able to be recycled to make food packaging, but the presence of unpleasant odours means that this is rarely attempted. Scientists from two German institutions, the Friedrich-Alexander University of Erlangen-Nuremberg and the Fraunhofer Institute for Process Engineering and Packaging at Freising, used a combination of 1D GC, 2D GC, mass spectrometry and sensory analysis to detect compounds with strong odours in waste plastic packaging.

Read More thumbnail image: Plastic packaging pongs profiled by 2D GC
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