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Journal Highlight: Simultaneous determination of VOCs with a wide range of polarities in urine by headspace SPME coupled to GC/MS

Date: May 22, 2017

Author: separationsNOW

Korean chemists have used a bi-polar carboxen-polydimethylsiloxane fiber to extract volatile organic compounds from urine, prior to analysis by gas chromatography/mass spectrometry.

Read More thumbnail image: Journal Highlight Simultaneous determination of VOCs with a wide range of polarities in urine by headspace SPME coupled to GCMS

Unbeatable two-for-one offer: Extracting phosphoproteins and glycoproteins with one material

Date: May 15, 2017

Author: Jon Evans

Two Chinese chemists have developed a porous material that can simultaneously extract phosphoproteins and glycoproteins from biological samples such as blood serum.

Read More thumbnail image: Unbeatable two-for-one offer Extracting phosphoproteins and glycoproteins with one material

Journal Highlight: Assessment of ochratoxin A occurrence in Argentine red wines using a novel sensitive quechers-solid phase extraction approach prior to UHPLC-MS/MS methodology

Date: May 8, 2017

Author: separationsNOW

Argentinian researchers have developed a novel solid-phase extraction method for use with liquid chromatography and tandem mass spectrometry to determine levels of ochratoxin A in red wine.

Read More thumbnail image: Journal Highlight Assessment of ochratoxin A occurrence in Argentine red wines using a novel sensitive quechers-solid phase extraction approach prior to UHPLC-MSMS methodology

Crude printing: For sophisticated sample treatment

Date: Apr 17, 2017

Author: Jon Evans

Brazilian chemists have shown how 3D printed microfluidic devices can quickly and cheaply conduct multiple rounds of sample treatment on samples of crude oil while using much less organic solvent.

Read More thumbnail image: Crude printing For sophisticated sample treatment

Journal Highlight: Zinc sulfide nanosheets as a novel solid-phase extraction material for flavonoids

Date: Apr 10, 2017

Author: separationsNOW

Chinese scientists have developed zinc sulfide nanosheets as a novel solid-phase extraction material for use with high-performance liquid chromatography.

Read More thumbnail image: Journal Highlight Zinc sulfide nanosheets as a novel solid-phase extraction material for flavonoids

Journal Highlight: Characteristics of volatile organic compounds produced from five pathogenic bacteria by headspace-SPME/GC-MS

Date: Mar 27, 2017

Author: separationsNOW

Chinese scientists have used headspace solid-phase micro-extraction to sample the volatile compounds released by five different pathogenic bacteria for subsequent analysis by gas chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight Characteristics of volatile organic compounds produced from five pathogenic bacteria by headspace-SPMEGC-MS

The health benefits of bee glue: Extracting phenolic compounds from bee propolis

Date: Mar 20, 2017

Author: Jon Evans

Using ionic liquid and cellulose, Chinese scientists have developed a method for extracting phenolic compounds from bee propolis that is faster, greener and more effective than previous methods.

Read More thumbnail image: The health benefits of bee glue Extracting phenolic compounds from bee propolis

Journal Highlight: Maghemite nanoparticle-decorated hollow fiber electromembrane extraction combined with dispersive liquid–liquid microextraction for determination of thymol from Carum copticum

Date: Mar 13, 2017

Author: separationsNOW

Researchers from Iran and Norway have combined electromembrane extraction with dispersive liquid–liquid microextraction to extract the antimicrobial compound thymol from the herb Carum copticum.

Read More thumbnail image: Journal Highlight Maghemite nanoparticle-decorated hollow fiber electromembrane extraction combined with dispersive liquidliquid microextraction for determination of thymol from Carum copticum

Journal Highlight: In situ solvent formation microextraction combined with magnetic dispersive micro-SPE for the determination of benzoylurea insecticides in water samples

Date: Feb 27, 2017

Author: separationsNOW

Chinese chemists have combined solvent formation microextraction with magnetic dispersive micro-solid-phase extraction to extract four benzoylurea insecticides, used to control insect pests such as caterpillars, from water.

Read More thumbnail image: Journal Highlight In situ solvent formation microextraction combined with magnetic dispersive micro-SPE for the determination of benzoylurea insecticides in water samples

Complex method for complex samples: Extracting trace compounds from blood and urine

Date: Feb 20, 2017

Author: Jon Evans

Detecting trace concentrations of drugs for reducing blood pressure in samples of blood and urine required the development of a highly complex, but surprisingly speedy, extraction method.

Read More thumbnail image: Complex method for complex samples Extracting trace compounds from blood and urine
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