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Journal Highlight: Multi-channel in situ DLS instrumentation enhancing biological small-angle X-ray scattering experiments at the PETRA III beamline P12

Date: Mar 5, 2018

Author: separationsNOW

Scientists from France and Germany have developed a multi-receiver, four-channel dynamic light scattering system at the PETRA III synchrotron for detecting biomolecules separated by size-exclusion chromatography.

Read More thumbnail image: Journal Highlight Multi-channel in situ DLS instrumentation enhancing biological small-angle X-ray scattering experiments at the PETRA III beamline P12

Sweet finding for novel electrode: Determining the sugars released from biofuel feedstocks

Date: Feb 19, 2018

Author: Jon Evans

Using an electrode covered in carbon nanotubes and nickel nanoparticles, Brazilian scientists have developed a sensitive method for determining the amount of different sugars released from biofuel feedstocks.

Read More thumbnail image: Sweet finding for novel electrode Determining the sugars released from biofuel feedstocks

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: 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

Spokes beat spirals: A novel flow cell design for chemiluminescence

Date: Jan 15, 2018

Author: Jon Evans

A new flow cell design for chemiluminescent detection is not only quicker and easier to produce via 3D printing than conventional designs, but also more sensitive.

Read More thumbnail image: Spokes beat spirals A novel flow cell design for chemiluminescence

Journal Highlight: Mass spectrometry in untargeted LC/MS metabolomics: Electrospray ionisation parameters and global coverage of the metabolome

Date: Jan 8, 2018

Author: separationsNOW

Biochemists from South Africa have investigated the electronic factors, including capillary and sample cone voltages, relating to the functioning of the electrospray ionization source in metabolomics studies with liquid chromatography/mass spectrometry.

Read More thumbnail image: Journal Highlight Mass spectrometry in untargeted LCMS metabolomics Electrospray ionisation parameters and global coverage of the metabolome

Journal Highlight: Routine quantification of 54 allergens in fragrances using comprehensive GCxGC-QMS with dual parallel secondary columns

Date: Jan 5, 2018

Author: separationsNOW

Scientists in Switzerland and Italy have combined two-dimensional gas chromatography with both a quadrupole mass spectrometer and a flame ionization detector to produce a novel method for analyzing allergens in fragrances.

Read More thumbnail image: Journal Highlight Routine quantification of 54 allergens in fragrances using comprehensive GCxGC-QMS with dual parallel secondary columns

Colorful detection: Coupling colorimetry with capillary electrophoresis

Date: Dec 18, 2017

Author: Jon Evans

By slotting three capillaries inside each other, Chinese scientists have found a way to combine capillary electrophoresis with gold nanoparticle-based colorimetry.

Read More thumbnail image: Colorful detection Coupling colorimetry with capillary electrophoresis

Journal Highlight: Derivatization agents for electrochemical detection in amino acid, peptide and protein separations: The hidden electrochemistry?

Date: Dec 11, 2017

Author: separationsNOW

This review covers electrochemical derivatization reagents and electrochemical tags employed for amino acids, peptides and proteins in separation techniques.

Read More thumbnail image: Journal Highlight Derivatization agents for electrochemical detection in amino acid peptide and protein separations The hidden electrochemistry

Journal Highlight: Comparison of linear intrascan and interscan dynamic ranges of Orbitrap and ion-mobility time-of-flight mass spectrometers

Date: Dec 5, 2017

Author: separationsNOW

Swiss food scientists have investigated the linear intrascan and interscan dynamic ranges of high-resolution mass spectrometers when analyzing metabolites in complex samples.

Read More thumbnail image: Journal Highlight Comparison of linear intrascan and interscan dynamic ranges of Orbitrap and ion-mobility time-of-flight mass spectrometers
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