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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

Spitting on a mountain: The effect of high altitude on the proteins in saliva

Date: Oct 15, 2018

Author: Jon Evans

As a way of diagnosing altitude sickness, Indian scientists have used two-dimensional gel electrophoresis to investigate how the protein composition of saliva changes at high altitudes.

Read More thumbnail image: Spitting on a mountain The effect of high altitude on the proteins in saliva

Get into my cloud: Nanofiber cloud SPME for extracting organic chemicals

Date: Oct 15, 2018

Author: Jon Evans

Chinese scientists have developed a novel extraction method based on dispersing unsupported polymer fibers into an analyte-containing solution and then extracting them with tweezers as a single mass.

Read More thumbnail image: Get into my cloud Nanofiber cloud SPME for extracting organic chemicals

Acid taste of honey: A novel ion chromatography method for analyzing organic acids in honey

Date: Oct 8, 2018

Author: Jon Evans

Chemists from Singapore and Saudi Arabia have developed a simple, potentially portable ion chromatography method for extracting and analyzing the organic acids in raw, undiluted honey.

Read More thumbnail image: Acid taste of honey A novel ion chromatography method for analyzing organic acids in honey

Journal Highlight: Simple determination of amphetamine and methamphetamine in complicated matrices by filter‐based emulsification microextraction followed by HPLC

Date: Oct 8, 2018

Author: separationsNOW

Chemists in Iran have developed a filter‐based emulsification microextraction method for extracting amphetamine and methamphetamine from human plasma and pharmaceutical wastewater, prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Simple determination of amphetamine and methamphetamine in complicated matrices by filterbased emulsification microextraction followed by HPLC

Journal Highlight: Comparison of gas chromatography quadrupole time‐of‐flight and quadrupole orbitrap mass spectrometry in anti‐doping analysis

Date: Oct 8, 2018

Author: separationsNOW

Scientists from the Netherlands and Qatar have compared the use of quadrupole time‐of‐flight and quadrupole orbitrap mass spectrometry with gas chromatography for detetcing known derivatives of anabolic‐androgenic steroids in urine.

Read More thumbnail image: Journal Highlight Comparison of gas chromatography quadrupole timeofflight and quadrupole orbitrap mass spectrometry in antidoping analysis

Journal Highlight: Identification of unique proteins in vitreous fluid of patients with noninfectious uveitis

Date: Oct 8, 2018

Author: separationsNOW

Scientists in India used gel electrophoresis to identify the proteins involved in the pathogenesis of autoimmune or noninfectious uveitis, an eye disorder that can often cause blindness in children and young adults.

Read More thumbnail image: Journal Highlight Identification of unique proteins in vitreous fluid of patients with noninfectious uveitis

Journal Highlight: Visualization and application of amino acid retention coefficients obtained from modeling of peptide retention

Date: Oct 8, 2018

Author: separationsNOW

A simple method for data inspection in liquid separations of peptides, especially multidimensional separations, using amino acid retention coefficients and their relative change across experiments improves comparability of data at no additional experimental cost.

Read More thumbnail image: Journal Highlight Visualization and application of amino acid retention coefficients obtained from modeling of peptide retention
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