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Journal Highlight: Derivatization of bisphenol A and its analogues with pyridine-3-sulfonyl chloride: multivariate optimization and fragmentation patterns by LC/Orbitrap MS

Date: Sep 14, 2015

Author: separationsNOW

Belgian researchers have used multivariate statistical techniques to investigate the fragmentation patterns produced when derivatized bisphenols are analyzed by liquid chromatography/mass spectrometry.

Read More thumbnail image: Journal Highlight Derivatization of bisphenol A and its analogues with pyridine-3-sulfonyl chloride multivariate optimization and fragmentation patterns by LCOrbitrap MS

Shaping up to DNA damage: A novel software tool for analyzing comet assays

Date: Sep 7, 2015

Author: Jon Evans

Comet assays are a widely-used method for identifying DNA damage, but a new software tool now allows them to determine how the DNA was damaged as well.

Read More thumbnail image: Shaping up to DNA damage A novel software tool for analyzing comet assays

Journal Highlight: A systems-level “misunderstanding”: the plasma metabolome in Huntington's disease

Date: Aug 17, 2015

Author: separationsNOW

By applying multivariate statistical modeling to the data produced by LC-MS, US scientists have identified some metabolomic perturbations characteristic of the neurodegenerative disorder known as Huntington's disease.

Read More thumbnail image: Journal Highlight A systems-level misunderstanding the plasma metabolome in Huntingtons disease

Journal Highlight: Numerical modeling of capillary electrophoresis – electrospray mass spectrometry interface design

Date: Aug 10, 2015

Author: separationsNOW

This review evaluates various different aspects of computer modeling and simulation of CE-ESI-MS interfaces, including electric field mediated flows, electrohydrodynamics and free fluid-surface methods.

Read More thumbnail image: Journal Highlight Numerical modeling of capillary electrophoresis  electrospray mass spectrometry interface design

Probably near the peak: A novel algorithm for peak detection

Date: Aug 3, 2015

Author: Jon Evans

Rather than use arbitrary thresholds to highlight analyte peaks, two Dutch chemists are using a form of probability originally developed in the 18th century.

Read More thumbnail image: Probably near the peak A novel algorithm for peak detection

Journal Highlight: DATASW, a tool for HPLC–SAXS data analysis

Date: Jul 20, 2015

Author: separationsNOW

Two pharmaceutical researchers from Belgium have developed a novel software tool for analyzing the data produced by the study of proteins with HPLC combined with small-angle X-ray scattering.

Read More thumbnail image: Journal Highlight DATASW a tool for HPLCSAXS data analysis

Journal Highlight: Quality assessment of Fructus Ligustri Lucidi by the simultaneous determination of six compounds and chemometric analysis

Date: Jul 13, 2015

Author: separationsNOW

A team of scientists from China and the US has developed a method based on HPLC and chemometric analysis for assessing the quality of Fructus Ligustri Lucidi, a well-known and commonly used herbal medicine in China.

Read More thumbnail image: Journal Highlight Quality assessment of Fructus Ligustri Lucidi by the simultaneous determination of six compounds and chemometric analysis

Cutting back on the calculations: A new method for predicting retention time in GC

Date: Jul 6, 2015

Author: Jon Evans

A new quick and easy method for predicting retention time in GC should greatly speed up the process of finding the most effective schedule for ramping up the column temperature in programmed temperature GC.

Read More thumbnail image: Cutting back on the calculations A new method for predicting retention time in GC

Journal Highlight: Advances in inline quantification of co-eluting proteins in chromatography

Date: Jun 15, 2015

Author: separationsNOW

Researchers from Germany and Australia have adapted a partial least squares regression-based tool for quantifying co-eluting proteins so that it works with liquid chromatography.

Read More thumbnail image: Journal Highlight Advances in inline quantification of co-eluting proteins in chromatography

Journal Highlight: Development of a comprehensive method for analyzing clerodane-type diterpenes and phenolic compounds from Casearia sylvestris Swartz (Salicaceae) based on UPLC combined with chemometric tools

Date: Jun 8, 2015

Author: separationsNOW

Brazilian chemists have used liquid chromatography with chemometrics to evaluate and differentiate two varieties of Casearia sylvestris, a plant found in the forests and savannahs of Brazil, from their secondary metabolites.

Read More thumbnail image: Journal Highlight Development of a comprehensive method for analyzing clerodane-type diterpenes and phenolic compounds from Casearia sylvestris Swartz Salicaceae based on UPLC combined with chemometric tools
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