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2D UV: Making nanoscale UV detectors with 2D materials

Date: Aug 22, 2017

Author: Jon Evans

Two research groups have produced nanoscale UV detectors from so-called two-dimensional materials, made up of layers just one-atom thick.

Read More thumbnail image: 2D UV Making nanoscale UV detectors with 2D materials

Journal Highlight: Review of HPLC and LC–MS/MS assays for the determination of various nonsteroidal anti-androgens used in the treatment of prostate cancer

Date: Aug 21, 2017

Author: separationsNOW

The literature on bioanalytical methods for the quantification of first- and second-generation nonsteroidal anti-androgens in clinical and preclinical studies has been critically reviewed and some case studies have been presented.

Read More thumbnail image: Journal Highlight Review of HPLC and LCMSMS assays for the determination of various nonsteroidal anti-androgens used in the treatment of prostate cancer

Dominant or submissive: Proteomic clues to behavioural disorders

Date: Aug 15, 2017

Author: Steve Down

The expression of many proteins in the hippocampi of mice are modified by dominant and submissive behaviour, say scientists in Israel in the first study of its kind which will help to decode the molecular mechanisms of psychiatric disorders and lead to therapeutic solutions.

Read More thumbnail image: Dominant or submissive Proteomic clues to behavioural disorders

Fast GC’s rapidity gives greater productivity

Date: Aug 15, 2017

Author: Ryan De Vooght-Johnson

GC-MS run times can now be much shorter than with traditional methods due to a number of recent developments. Scientists from Tel Aviv University applied a combination of open probe fast GC and mass spectrometry to obtain rapid results from a wide variety of different analytes.

Read More thumbnail image: Fast GCs rapidity gives greater productivity

No standards involved, but are all problems solved?

Date: Aug 15, 2017

Author: Ryan De Vooght-Johnson

Modern analytical techniques, such as HRMS (high-resolution mass spectrometry), enable the simultaneous detection of a large number of compounds, but normally rely on analytical standards of all the compounds being available, which may not be the case. Researchers from the Zurich Official Food Control Authority have developed an LC-HRMS method that identifies compounds without the use of standards, demonstrating its efficiency by identifying veterinary compounds spiked into meat and fish extracts.

Read More thumbnail image: No standards involved but are all problems solved

LC-MS/MS detects dangerously doped drivers

Date: Aug 15, 2017

Author: Ryan De Vooght-Johnson

The detection of the levels of cannabis compounds and their metabolites is an important challenge to both medical practitioners and law enforcement agencies. Scientists from the National Institute of Drug Abuse (NIDA) in Baltimore have developed a new method to assay these compounds using enzymatic hydrolysis followed by LC-MS/MS.

Read More thumbnail image: LC-MSMS detects dangerously doped drivers

Journal Highlight: Characterization of odorous contaminants in post-consumer plastic packaging waste using multidimensional gas chromatographic separation coupled with olfactometric resolution

Date: Aug 14, 2017

Author: separationsNOW

Post-consumer food packaging waste has been characterized by sensory analysis and 2D high resolution gas chromatography coupled with mass spectrometry and olfactometry to help produce odour-free recyclates.

Read More thumbnail image: Journal Highlight Characterization of odorous contaminants in post-consumer plastic packaging waste using multidimensional gas chromatographic separation coupled with olfactometric resolution

Journal Highlight: Characterization of rapid extraction protocols for high-throughput metabolomics

Date: Aug 14, 2017

Author: separationsNOW

Scientists in the US have characterized the efficacy of fast liquid–liquid extractions for analyzing hydrophilic compounds in blood with ultra-high-pressure liquid chromatography/mass spectrometry

Read More thumbnail image: Journal Highlight Characterization of rapid extraction protocols for high-throughput metabolomics

Journal Highlight: The discovery of electrokinetic phenomena: Setting the record straight

Date: Aug 14, 2017

Author: separationsNOW

This essay critically examines the contributions of three scientists to the discovery of electro-osmosis and electrophoresis.

Read More thumbnail image: Journal Highlight The discovery of electrokinetic phenomena Setting the record straight

Journal Highlight: Applying characteristic fragment filtering for rapid detection and identification of ingredients in rhubarb by HPLC coupled with linear ion trap–Orbitrap MS

Date: Aug 14, 2017

Author: separationsNOW

Chinese scientists coupled ion trap–Orbitrap mass spectrometry with high-performance liquid chromatography to analyze the chemical composition of rhubarb, detecting and identifying 271 compounds.

Read More thumbnail image: Journal Highlight Applying characteristic fragment filtering for rapid detection and identification of ingredients in rhubarb by HPLC coupled with linear ion trapOrbitrap MS
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