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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

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: Simple extraction method for quantification of phenothiazine residues in pork muscle using LC–triple quadrupole tandem MS

Date: Jun 12, 2017

Author: separationsNOW

Researchers in South Korea have developed a novel liquid-liquid method for extracting the drug phenothiazine, which is used to treat gastrointestinal nematodes in livestock, from pork muscle prior to analysis by liquid chromatography–tandem mass spectrometry.

Read More thumbnail image: Journal Highlight Simple extraction method for quantification of phenothiazine residues in pork muscle using LCtriple quadrupole tandem MS

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
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