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Journal Highlight: Polytetrafluoroethylene-jacketed stirrer modified with graphene oxide and polydopamine for the efficient extraction of polycyclic aromatic hydrocarbons

Date: Nov 28, 2016

Author: separationsNOW

Chinese scientists have found a way to immobilize graphene onto a polytetrafluoroethylene stirrer, which proved to be highly effective at extracting polycyclic aromatic hydrocarbons from real dust samples.

Read More thumbnail image: Journal Highlight Polytetrafluoroethylene-jacketed stirrer modified with graphene oxide and polydopamine for the efficient extraction of polycyclic aromatic hydrocarbons

Looks like snow: Extracting proteins with dendrimers

Date: Nov 21, 2016

Author: Jon Evans

Scientists from Spain and the Czech Republic have shown that branched, snowflake-shaped molecules known as dendrimers can efficiently extract proteins from biological material.

Read More thumbnail image: Looks like snow Extracting proteins with dendrimers

Journal Highlight: Development and validation of a SPME-GC-MS method for in situ passive sampling of root volatiles from glasshouse-grown broccoli plants undergoing below-ground herbivory by larvae of cabbage root fly

Date: Nov 14, 2016

Author: separationsNOW

British scientists have developed a new solid phase microextraction (SPME) method for extracting volatile compounds from plant roots prior to analysis by gas chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight Development and validation of a SPME-GC-MS method for in situ passive sampling of root volatiles from glasshouse-grown broccoli plants undergoing below-ground herbivory by larvae of cabbage root fly

Journal Highlight: Enantioselective determination of cathinone derivatives in human hair by CE combined in-line with SPE

Date: Oct 24, 2016

Author: separationsNOW

Spanish chemists have developed a method for detecting enantiomers of the illict drug mephedrone in human hair based on the in-line coupling of solid-phase extraction and capillary electrophoresis.

Read More thumbnail image: Journal Highlight Enantioselective determination of cathinone derivatives in human hair by CE combined in-line with SPE

Extracting the benefits of omega-3: An SPME method for analyzing cellular lipids

Date: Oct 18, 2016

Author: Jon Evans

A new, automated solid-phase microextraction method for cellular lipids has already revealed information about how omega-3 polyunsaturated fatty acids might help ward off cancer.

Read More thumbnail image: Extracting the benefits of omega-3 An SPME method for analyzing cellular lipids

Journal Highlight: Various extraction methods for detection of bistrifluron residues in Asian pear using HPLC

Date: Oct 10, 2016

Author: separationsNOW

Researchers from Korea have tried out various methods for extracting residues of the insecticide bistrifluron from Asian pear prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Various extraction methods for detection of bistrifluron residues in Asian pear using HPLC

Journal Highlight: Determination of trace macrolide antibiotics in milk with online solid-phase extraction with an ionic-liquid-based monolithic column

Date: Sep 26, 2016

Author: separationsNOW

Chinese scientists have developed an ionic liquid-based monolithic column for conducting the online solid-phase extraction of antibiotics from milk prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Determination of trace macrolide antibiotics in milk with online solid-phase extraction with an ionic-liquid-based monolithic column

Natural not to be prepared: Analyzing natural samples without sample preparation

Date: Sep 19, 2016

Author: Jon Evans

Brazilian scientists have developed an online extraction process that allows natural samples such as leaves and stems to be analyzed by liquid chromatography without any sample preparation at all.

Read More thumbnail image: Natural not to be prepared Analyzing natural samples without sample preparation

Journal Highlight: Targeted and untargeted profiling of alkaloids in herbal extracts using online solid-phase extraction and high-resolution mass spectrometry

Date: Sep 12, 2016

Author: separationsNOW

Italian scientists have used a combination of online solid-phase extraction and UHPLC-MS to analyze the alkaloids in 18 alpine herbal plants.

Read More thumbnail image: Journal Highlight Targeted and untargeted profiling of alkaloids in herbal extracts using online solid-phase extraction and high-resolution mass spectrometry

Journal Highlight: Functionalized nanoparticles based solid-phase membrane micro-tip extraction and HPLC analyses of vitamin B complex in human plasma

Date: Aug 22, 2016

Author: separationsNOW

Using iron nanoparticles, chemists from India and Saudi Arabia have conducted solid-phase membrane micro-tip extraction for separating vitamin B complex from blood plasma prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Functionalized nanoparticles based solid-phase membrane micro-tip extraction and HPLC analyses of vitamin B complex in human plasma
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