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Easy assay by LC is suitable for ADCs

Date: Apr 1, 2018

Author: Ryan De Vooght-Johnson

Antibody–drug conjugates (ADCs) are increasingly used in cancer treatment, but their analytical quantification can be difficult. Researchers from South Korea have developed a single-platform method for assaying such conjugates using LC-MS, applying it to the commercial drug brentuximab vedotin (Adcetris).

Read More thumbnail image: Easy assay by LC is suitable for ADCs

Journal Highlight: Enantioselective ultra high performance liquid and supercritical fluid chromatography: The race to the shortest chromatogram

Date: Mar 26, 2018

Author: separationsNOW

An overview of recent achievements in the field of ultra‐high‐resolution chromatography on columns packed with chiral stationary phases has been given, with an emphasis on very recent studies on ultrafast chiral separations.

Read More thumbnail image: Journal Highlight Enantioselective ultra high performance liquid and supercritical fluid chromatography The race to the shortest chromatogram

Journal Highlight: Separation and determination of polyurethane amine catalysts in polyether polyols by using UHPLC–Q‐TOF‐MS on a reversed‐phase/cation‐exchange mixed‐mode column

Date: Mar 26, 2018

Author: separationsNOW

Chinese scientists have used a reversed‐phase/cation‐exchange mixed‐mode chromatography column, with mass spectrometry, to analyze polyurethane amine catalysts in polyether polyols.

Read More thumbnail image: Journal Highlight Separation and determination of polyurethane amine catalysts in polyether polyols by using UHPLCQTOFMS on a reversedphasecationexchange mixedmode column

Journal Highlight: A new strategy for accelerated extraction of target compounds using molecularly imprinted polymer particles embedded in a paper‐based disk

Date: Mar 26, 2018

Author: separationsNOW

German scientists have shown that a paper disk embedded with molecularly imprinted polymers can be used for the solid-phase extraction of acesulfame, an anthropogenic water quality marker, prior to analysis by liquid chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight A new strategy for accelerated extraction of target compounds using molecularly imprinted polymer particles embedded in a paperbased disk

Journal Highlight: Simultaneous separation and analysis of camptothecin alkaloids in real samples by large‐volume sample stacking in CE

Date: Mar 26, 2018

Author: separationsNOW

Chinese scientists have combined large‐volume sample stacking with capillary zone electrophoresis to analyze camptothecin alkaloids, which are used for treating cancer.

Read More thumbnail image: Journal Highlight Simultaneous separation and analysis of camptothecin alkaloids in real samples by largevolume sample stacking in CE

Journal Highlight: Differentiation of isomeric methylanilines by imidization and gas chromatography/mass spectrometry analysis

Date: Mar 19, 2018

Author: separationsNOW

Isomeric methylanilines can be differentiated by imidization to the N-methylbenzylidene benzenamines followed by GC/MS analysis with electron ionisation.

Read More thumbnail image: Journal Highlight Differentiation of isomeric methylanilines by imidization and gas chromatographymass spectrometry analysis

Cutting through complexity: With non-aqueous CE and two detectors

Date: Mar 19, 2018

Author: Jon Evans

By taking advantage of an organic solvent with a volatile electrolyte, German scientists have managed to couple both a conductivity detector and a mass spectrometer to capillary electrophoresis.

Read More thumbnail image: Cutting through complexity With non-aqueous CE and two detectors

The characteristic smell of old plastic: Analyzing VOCs from museum pieces

Date: Mar 19, 2018

Author: Jon Evans

British chemists have shown that collecting and analyzing the volatile organic compounds released by historical plastic items held in museums can provide an effective way to determine whether they are deteriorating over time.

Read More thumbnail image: The characteristic smell of old plastic Analyzing VOCs from museum pieces

Smooth path to electrophoresis: Printing a capillary gel electrophoresis microchip

Date: Mar 19, 2018

Author: Jon Evans

A team of Polish scientists has, for the first time, used 3D printing to fabricate a working capillary gel electrophoresis microchip.

Read More thumbnail image: Smooth path to electrophoresis Printing a capillary gel electrophoresis microchip

Mortality biomarkers: Peptides and proteins

Date: Mar 15, 2018

Author: Steve Down

A large-scale proteomics study on older men has identified a number of peptides and proteins that are associated with five-year mortality, most of them arising from non-cancer deaths and implicating a number of biological pathways, especially inflammation.

Read More thumbnail image: Mortality biomarkers Peptides and proteins
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