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Journal Highlight: Volatile organic compounds associated with milk spoilage by psychrotrophic bacteria

Date: Feb 12, 2018

Author: separationsNOW

A total of 47 volatile organic compounds belonging to seven chemical groups were identified by GC/MS in spoiled milk that had been inoculated with five psychrotrophic bacterial strains.

Read More thumbnail image: Journal Highlight Volatile organic compounds associated with milk spoilage by psychrotrophic bacteria

Do feed the animals: An IC method for detecting phosphorus and sulfur in animal feed

Date: Feb 12, 2018

Author: Jon Evans

A novel ion chromatography method for detecting phosphorus and sulfur in animal feed is not only greener than current recommended methods, but also faster, cheaper and more sensitive.

Read More thumbnail image: Do feed the animals An IC method for detecting phosphorus and sulfur in animal feed

Journal Highlight: Power of Orbitrap-based LC-high resolution-MS/MS for comprehensive drug testing in urine with or without conjugate cleavage or using dried urine spots after on-spot cleavage in comparison to established LC–MSn or GC–MS procedures

Date: Feb 12, 2018

Author: separationsNOW

Scientists in Germany have compared using Orbitrap-based liquid chromatography-high resolution tandem mass spectrometry for detecting drugs in urine with conventional liquid and gas chromatography methods.

Read More thumbnail image: Journal Highlight Power of Orbitrap-based LC-high resolution-MSMS for comprehensive drug testing in urine with or without conjugate cleavage or using dried urine spots after on-spot cleavage in comparison to established LCMSn or GCMS procedures

Journal Highlight: Surfactant-assisted electromembrane extraction combined with cyclodextrin-modified CE for the separation and quantification of Tranylcypromine enantiomers in biological samples

Date: Feb 12, 2018

Author: separationsNOW

Chemists in Iran have combined surfactant-assisted electromembrane extraction with cyclodextrin-modified capillary electrophoresis to analyze enantiomers of the antidepressant drug Tranylcypromine in biological samples.

Read More thumbnail image: Journal Highlight Surfactant-assisted electromembrane extraction combined with cyclodextrin-modified CE for the separation and quantification of Tranylcypromine enantiomers in biological samples

Journal Highlight: DNA binding in combination with CE and ICP-MS for the rapid speciation analysis of mercury

Date: Feb 12, 2018

Author: separationsNOW

Using DNA sequences that bind mercury ions, Chinese researchers have developed a capillary electrophoresis method for the rapid speciation analysis of mercury in environmental and food samples.

Read More thumbnail image: Journal Highlight DNA binding in combination with CE and ICP-MS for the rapid speciation analysis of mercury

Journal Highlight: Chromatographic and in silico assessment of logP measures for new spirohydantoin derivatives with anticancer activity

Date: Feb 5, 2018

Author: separationsNOW

A total of 14 chromatographic measures of lipophilicity (TLC and HPLC) and 11 computationally estimated logP-s for 21 newly synthesized spiro-5-hydantoin derivatives have been examined by multivariate exploratory analysis, principal component analysis, hierarchical cluster analysis, and sum of ranking differences.

Read More thumbnail image: Journal Highlight Chromatographic and in silico assessment of logP measures for new spirohydantoin derivatives with anticancer activity

Journal Highlight: Effects of hemoglobin variants HbJ Bangkok, HbE, HbG Taipei, and HbH on analysis of glycated hemoglobin via ion-exchange HPLC

Date: Feb 5, 2018

Author: separationsNOW

Chinese researchers have found that certain hemoglobin variants can cause interference in the analysis of glycated hemoglobin by ion-exchange high-performance liquid chromatography.

Read More thumbnail image: Journal Highlight Effects of hemoglobin variants HbJ Bangkok HbE HbG Taipei and HbH on analysis of glycated hemoglobin via ion-exchange HPLC

Journal Highlight: Online detection of functional groups in SEC via quantum cascade laser IR spectroscopy

Date: Feb 5, 2018

Author: separationsNOW

Chemists from Germany and Austria have, for the first time, coupled a quantum cascade laser infrared spectrometer with size exclusion chromatography for analyzing the chemical composition of polymers.

Read More thumbnail image: Journal Highlight Online detection of functional groups in SEC via quantum cascade laser IR spectroscopy

GC-MS defeats the doping steroid cheats

Date: Feb 2, 2018

Author:

Doping with anabolic steroids remains a significant problem in many sports, particularly since identification of these compounds and many of their metabolites is hampered by their relatively short lifetimes in the body. Scientists from Ghent University in Belgium used GC-MS with chemical ionisation to detect novel long-lived metabolites from the anabolic steroids oxymesterone and mesterolone.

Read More thumbnail image: GC-MS defeats the doping steroid cheats

Bioactive peptides from cyanobacteria: In silico prediction

Date: Feb 1, 2018

Author: Steve Down

A proteomics approach employing in silico digestion has been proposed as an alternative way to identify bioactive peptides in aquatic species, exemplified with the edible cyanobacterium Arthrospira platensis.

Read More thumbnail image: Bioactive peptides from cyanobacteria In silico prediction
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