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Journal Highlight: Contribution of hydroxymethane sulfonate to ambient particulate matter: A potential explanation for high particulate sulfur during severe winter haze in Beijing

Date: Nov 5, 2018

Author: separationsNOW

Researchers from the US and China have shown that ion chromatography methods for measuring ambient particulates in the atmosphere can easily misinterpret hydroxymethane sulfonate as sulfate.

Read More thumbnail image: Journal Highlight Contribution of hydroxymethane sulfonate to ambient particulate matter A potential explanation for high particulate sulfur during severe winter haze in Beijing

Meat adulteration: Substitute meats and allergens

Date: Nov 2, 2018

Author: Steve Down

The adulteration of meat and meat products by other types of meat or allergenic foods such as egg white, soy and milk has been accomplished using a stable-isotope-labelled quantification strategy by scientists in Poland.

Read More thumbnail image: Meat adulteration Substitute meats and allergens

Journal Highlight: Updates of the in‐gel digestion method for protein analysis by mass spectrometry

Date: Oct 29, 2018

Author: separationsNOW

The in-gel digestion process for the analysis of proteins by LC/MS has been updated by using alternative reducing and alkylating agents and tryptic digestion buffers to give superior protein identification and sequence coverage with reduced side reactions and handling time.

Read More thumbnail image: Journal Highlight Updates of the ingel digestion method for protein analysis by mass spectrometry

Journal Highlight: Discovery of restless legs syndrome plasmatic biomarkers by proteomic analysis

Date: Oct 22, 2018

Author: separationsNOW

Researchers from Italy and Turkey used two‐dimensional gel electrophoresis coupled with liquid chromatography‐mass spectrometry to look for biomarkers in the plasma proteome of patients with restless legs syndrome.

Read More thumbnail image: Journal Highlight Discovery of restless legs syndrome plasmatic biomarkers by proteomic analysis

Journal Highlight: Investigation of low molecular weight peptides (<1kDa) in chicken meat and their contribution to meat flavor formation

Date: Oct 22, 2018

Author: separationsNOW

44 Low-molecular-weight peptides have been identified in stored chicken meat by LC/MS and their role in the formation of flavour compounds has been assessed in model systems.

Read More thumbnail image: Journal Highlight Investigation of low molecular weight peptides 1kDa in chicken meat and their contribution to meat flavor formation

Journal Highlight: Residual detection of naproxen, methyltestosterone, and 17ɑ‐hydroxyprogesterone caproate in aquatic products by simple LLE method coupled with LC-MS/MS

Date: Oct 22, 2018

Author: separationsNOW

An international team of researchers has developed a liquid-liquid extraction method for extracting the residues of three drug compounds from samples of eel, flatfish and shrimp bought from a market.

Read More thumbnail image: Journal Highlight Residual detection of naproxen methyltestosterone and 17hydroxyprogesterone caproate in aquatic products by simple LLE method coupled with LC-MSMS

Journal Highlight: Staphylococcus aureus lipase: purification, kinetic characterization, crystallization and crystallographic study

Date: Oct 22, 2018

Author: separationsNOW

Japanese scientists used immobilized metal‐affinity chromatography, cation‐exchange chromatography and anion‐exchange chromatography to isolate and purify a lipase from the bacterium Staphylococcus aureus, a common cause of food poisoning.

Read More thumbnail image: Journal Highlight Staphylococcus aureus lipase purification kinetic characterization crystallization and crystallographic study

Journal Highlight: Structural elucidation of trace components combining GC/MS, GC/IR, DFT‐calculation and synthesis ‐ Salinilactones, unprecedented bicyclic lactones from Salinispora bacteria

Date: Oct 15, 2018

Author: separationsNOW

Salinilactones displaying an unusual bicyclic [3.1.0]‐lactone skeleton that are structurally closely related to the A‐factor class of compounds have been identified in marine Salinispora bacteria using GC/MS, GC/IR, DFT‐calculation and synthesis.

Read More thumbnail image: Journal Highlight Structural elucidation of trace components combining GCMS GCIR DFTcalculation and synthesis  Salinilactones unprecedented bicyclic lactones from Salinispora bacteria

Monitoring meteorite mining: An efficient method for analyzing iron oxidation in space

Date: Oct 15, 2018

Author: Jon Evans

Scientists in Brazil have developed a capillary electrophoresis method, employing both conductivity detection and indirect UV detection, for monitoring meteorite mining by bacteria in the depths of space.

Read More thumbnail image: Monitoring meteorite mining An efficient method for analyzing iron oxidation in space

Forensic biofluids under fingernails: Combined genomic and proteomic approach

Date: Oct 15, 2018

Author: Steve Down

A combined approach involving DNA profiling and proteome analysis has been applied to the analysis of traces of biofluids trapped under fingernails to provide forensic evidence, using a single microswab for both procedures.

Read More thumbnail image: Forensic biofluids under fingernails Combined genomic and proteomic approach
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