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Journal Highlight: Assessment of ochratoxin A occurrence in Argentine red wines using a novel sensitive quechers-solid phase extraction approach prior to UHPLC-MS/MS methodology

Date: May 8, 2017

Author: separationsNOW

Argentinian researchers have developed a novel solid-phase extraction method for use with liquid chromatography and tandem mass spectrometry to determine levels of ochratoxin A in red wine.

Read More thumbnail image: Journal Highlight Assessment of ochratoxin A occurrence in Argentine red wines using a novel sensitive quechers-solid phase extraction approach prior to UHPLC-MSMS methodology

Journal Highlight: Characterization of Ag and Au nanolayers on Cu alloys by TLC, SEM-EDS, and ICP-OES

Date: May 8, 2017

Author: separationsNOW

Chemists in Crotia have used a combination of thin-layer chromatography, scanning electron microscope-energy dispersive spectroscopy and inductively coupled plasma optical emission spectroscopy to analyze silver-plated and gilded copper alloys.

Read More thumbnail image: Journal Highlight Characterization of Ag and Au nanolayers on Cu alloys by TLC SEM-EDS and ICP-OES

Journal Highlight: Monitoring of the bacterial communities of bamboo shoots (Dendrocalamus latiflorus) during pickling process

Date: May 8, 2017

Author: separationsNOW

Chinese scientists have used denaturing gradient gel electrophoresis and the polymerase chain reaction to investigate the diversity and dynamics of the dominant bacterial communities that arise during the pickling of bamboo shoots.

Read More thumbnail image: Journal Highlight Monitoring of the bacterial communities of bamboo shoots Dendrocalamus latiflorus during pickling process

Journal Highlight: Identification of four cornua by ultra-performance liquid chromatography with time-of-flight mass spectrometry coupled with principal component analysis

Date: May 8, 2017

Author: separationsNOW

An LC/MS method supported by principal components analysis has been developed for the identification of Cornu Antelopis, Cornu Bubali, Cornu Naemorhedi, and Cornu Bovis.

Read More thumbnail image: Journal Highlight Identification of four cornua by ultra-performance liquid chromatography with time-of-flight mass spectrometry coupled with principal component analysis

Journal Highlight: Reverse iontophoretic extraction of metabolites from living plants and their identification by IC coupled to HRMS

Date: May 3, 2017

Author: separationsNOW

Scientists in the UK have used ion chromatography and mass spectrometry to analyze metabolites extracted from the leaves of basil plants by non-destructive reverse iontophoresis.

Read More thumbnail image: Journal Highlight Reverse iontophoretic extraction of metabolites from living plants and their identification by IC coupled to HRMS

Journal Highlight: Micellar liquid chromatographic determination of metformin hydrochloride using fluorimetric detection after pre-column derivatization

Date: May 3, 2017

Author: separationsNOW

Using a novel derivatization reaction, an Egyptian analytical chemist has been able to determine the type 2 diabetes drug metformin hydrochloride in human plasma with micellar liquid chromatography and fluorimetric detection.

Read More thumbnail image: Journal Highlight Micellar liquid chromatographic determination of metformin hydrochloride using fluorimetric detection after pre-column derivatization

Osteoporosis biomarkers: Serum proteomics

Date: May 1, 2017

Author: Steve Down

A large-scale study of older men in the US has identified a number of proteins in serum that are good candidates for biomarkers of future hip bone loss and fracture by correlation with the bone mineral density measurements.

Read More thumbnail image: Osteoporosis biomarkers Serum proteomics

Journal Highlight: Database of optimized proteomic quantitative methods for human drug disposition-related proteins for applications in physiologically based pharmacokinetic modeling

Date: May 1, 2017

Author: separationsNOW

An open access repository of validated LC-MS/MS MRM methods for quantifying 284 important proteins associated with drug absorption, distribution, metabolism, and excretion has been created.

Read More thumbnail image: Journal Highlight Database of optimized proteomic quantitative methods for human drug disposition-related proteins for applications in physiologically based pharmacokinetic modeling

SPME optimisation hits the sweet spot for sugar cane spirits

Date: May 1, 2017

Author: Ryan De Vooght-Johnson

It is important to be able to analyse the many volatile compounds in sugar cane spirit, since they are responsible for its flavour. Researchers at the Federal University of Lavras and the Federal University of the Jequitinhonha and Mucuri Valleys in Brazil optimised the extraction of these compounds by SPME, prior to GC-MS, using a central composite experimental design.

Read More thumbnail image: SPME optimisation hits the sweet spot for sugar cane spirits

Chewing over the problem of gum antioxidant analysis

Date: May 1, 2017

Author: Ryan De Vooght-Johnson

Butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) are common antioxidants used as food additives. Scientists from the IRCCS Istituto di Ricerche Farmacologiche ‘Mario Negri’ in Milan have devised a novel method for the assay of these compounds in samples of chewing gum, using headspace analysis and GC-MS.

Read More thumbnail image: Chewing over the problem of gum antioxidant analysis
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