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Magnetic attraction of illicit drugs: Concentrating drugs in urine with magnetic particles

Date: Apr 18, 2016

Author: Jon Evans

Chemists from Spain and Germany have shown how magnetic particles offer a quick and easy way to concentrate analytes inside the same capillary used to conduct electrophoresis.

Read More thumbnail image: Magnetic attraction of illicit drugs Concentrating drugs in urine with magnetic particles

Journal Highlight: Removal of sodium dodecyl sulfate from protein and peptide samples with cross-linked [Os(dmebpy)2Cl]+/2+-derivatized acrylamide and vinylimidazole copolymer

Date: Apr 11, 2016

Author: separationsNOW

Scientists in the US have developed a novel clean-up technique for removing sodium dodecyl sulfate from proteins and peptides prior to analysis by LC/MS.

Read More thumbnail image: Journal Highlight Removal of sodium dodecyl sulfate from protein and peptide samples with cross-linked Osdmebpy2Cl2-derivatized acrylamide and vinylimidazole copolymer

Journal Highlight: Electromembrane extraction using two separate cells: A new design for simultaneous extraction of acidic and basic compounds

Date: Mar 28, 2016

Author: separationsNOW

Chemists in Iran have developed a novel, efficient electromembrane extraction method based on two separate cells, and used it to extract drugs from urine and wastewater.

Read More thumbnail image: Journal Highlight Electromembrane extraction using two separate cells A new design for simultaneous extraction of acidic and basic compounds

Journal Highlight: Improved analysis of sinigrin in Ethiopian mustard

Date: Mar 20, 2016

Author: separationsNOW

Canadian scientists have developed a method based on multistage extraction with methanol and high-performance liquid chromatography for analyzing sinigrin in Ethiopian mustard seeds.

Read More thumbnail image: Journal Highlight Improved analysis of sinigrin in Ethiopian mustard

Extracting effective extraction: What should you consider when assessing sample preparation methods?

Date: Mar 15, 2016

Author: Jon Evans

There’s more to a sample preparation method than its ability to extract target analytes from a complex sample, say Austrian researchers.

Read More thumbnail image: Extracting effective extraction What should you consider when assessing sample preparation methods

Journal Highlight: Extraction of organophosphorus pesticides by carbon-coated Fe3O4 nanoparticles through response surface experimental design

Date: Feb 22, 2016

Author: separationsNOW

Iranian scientists have fabricated carbon-coated iron oxide nanoparticles and used them to conduct the solid-phase extraction of organophosphorus pesticides from environmental water samples prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Extraction of organophosphorus pesticides by carbon-coated Fe3O4 nanoparticles through response surface experimental design

The benefits of a thick coat: A conducting polymeric ionic liquid coating for SPME

Date: Feb 15, 2016

Author: Jon Evans

By combining an electrically-conducting polymer with an ionic liquid, a team of US chemists has developed a material that is more effective at absorbing polar compounds than a commercial polyacrylate fiber.

Read More thumbnail image: The benefits of a thick coat A conducting polymeric ionic liquid coating for SPME

Journal Highlight: Optimisation and validation of a high-throughput semi-quantitative SPME method for analysis of fermentation aroma compounds in metabolomic screening studies of wines

Date: Feb 8, 2016

Author: separationsNOW

Australian scientists have optimized a solid-phase microextraction procedure for extracting aroma compounds from white wine prior to metabolomic analysis.

Read More thumbnail image: Journal Highlight Optimisation and validation of a high-throughput semi-quantitative SPME method for analysis of fermentation aroma compounds in metabolomic screening studies of wines

Journal Highlight: Multi-response optimisation of ultrasound-assisted extraction for recovery of flavonoids from red grape skins using response surface methodology

Date: Jan 25, 2016

Author: separationsNOW

Scientists in Croatia have developed a new ultrasound-assisted extraction method for the recovery of flavonoids from red grape skins prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Multi-response optimisation of ultrasound-assisted extraction for recovery of flavonoids from red grape skins using response surface methodology

Caught by the MOFs: A novel nanocomposite for SPME

Date: Jan 18, 2016

Author: Jon Evans

Scientists in Iran have shown that incorporating the highly-porous materials known as metal organic frameworks into the conducting polymer polyaniline produces an effective absorbant for solid phase microextraction.

Read More thumbnail image: Caught by the MOFs A novel nanocomposite for SPME
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