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Journal Highlight: Preparation of magnetic microsphere-gold nanoparticle-immobilized enzyme batch reactor and its application to enzyme inhibitor screening in natural extracts by CE

Date: Jul 24, 2017

Author: separationsNOW

By immobilizing enzymes on magnetic microspheres and gold nanoparticles in a reactor, Chinese scientists have developed a novel capillary electrophoresis method for screening the enzyme inhibitors from natural products.

Read More thumbnail image: Journal Highlight Preparation of magnetic microsphere-gold nanoparticle-immobilized enzyme batch reactor and its application to enzyme inhibitor screening in natural extracts by CE

Frozen droplets rise to challenge: Of detecting Viagra in dietary supplements

Date: Jul 17, 2017

Author: Jon Evans

By combining solid-phase extraction with dispersive liquid-liquid microextraction, Korean scientists have developed the most sensitive, rapid and efficient liquid chromatography-UV detection method for identifying Viagra in dietary supplements.

Read More thumbnail image: Frozen droplets rise to challenge Of detecting Viagra in dietary supplements

Journal Highlight: Determination of chlorophenols in water using dispersive liquid–liquid microextraction coupled with water-in-oil microemulsion electrokinetic chromatography in normal stacking mode

Date: Jul 10, 2017

Author: separationsNOW

Chinese chemists have shown that liquid–liquid microextraction can be combined with water-in-oil microemulsion electrokinetic chromatography for the analysis of chlorophenols in water.

Read More thumbnail image: Journal Highlight Determination of chlorophenols in water using dispersive liquidliquid microextraction coupled with water-in-oil microemulsion electrokinetic chromatography in normal stacking mode

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
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