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Platinum performance from crumpled sheets: Amperometric detection with a graphene-coated platinum electrode

Date: May 21, 2015

Author: Jon Evans

Platinum already makes an effective electrode for performing amperometric detection on electrophoresis microchips, but a coating of graphene makes it even better, say Brazilian chemists.

Read More thumbnail image: Platinum performance from crumpled sheets Amperometric detection with a graphene-coated platinum electrode

Journal Highlight: Determination of triglycidyl isocyanurate from air samples by UPLC coupled with coordination ion spray MS

Date: May 11, 2015

Author: separationsNOW

Canadian scientists have used UPLC with coordination ion spray tandem mass spectrometry to analyse air samples containing triglycidyl isocyanurate, which is found in polyester-based powder paints, coatings and varnishes.

Read More thumbnail image: Journal Highlight Determination of triglycidyl isocyanurate from air samples by UPLC coupled with coordination ion spray MS

Journal Highlight: Simultaneous separation and detection of anions and thiophilic cations using capillary-size AEC with suppressed conductivity detection

Date: May 4, 2015

Author: separationsNOW

German chemists have investigated using anion exchange chromatography with suppressed conductivity detection to separate and detect anions and thiophilic cations, employing mercury(II) and cadmium(II) as model analytes.

Read More thumbnail image: Journal Highlight Simultaneous separation and detection of anions and thiophilic cations using capillary-size AEC with suppressed conductivity detection

Journal Highlight: Microchip electrophoresis with enhanced dark-field illumination detection for fast separation of native single super-paramagnetic nanoparticles

Date: May 4, 2015

Author: separationsNOW

Korean chemists have used dark-field illumination to detect paramagnetic nanoparticles separated by microchip electrophoresis.

Read More thumbnail image: Journal Highlight Microchip electrophoresis with enhanced dark-field illumination detection for fast separation of native single super-paramagnetic nanoparticles

Apple of their eye: The world’s first miniature triple quadrupole mass spectrometer

Date: Apr 21, 2015

Author: Jon Evans

Successfully detecting a fungicide in apples was an early test for the world’s first miniature triple quadrupole mass spectrometer.

Read More thumbnail image: Apple of their eye The worlds first miniature triple quadrupole mass spectrometer

Journal Highlight: A new fluorescent quenching method for the determination of phosphoproteins by using calconcarboxylic acid

Date: Apr 13, 2015

Author: separationsNOW

Chinese researchers have developed a novel fluorescent quenching method for detecting phosphoproteins separated by gel electrophoresis.

Read More thumbnail image: Journal Highlight A new fluorescent quenching method for the determination of phosphoproteins by using calconcarboxylic acid

Journal Highlight: Excimers beyond pyrene: A far-red optical proximity reporter and its application to the label-free detection of DNA

Date: Apr 8, 2015

Author: separationsNOW

Korean chemists have developed a new family of red organic chromophores that can act as visualization agents for DNA separated by gel electrophoresis.

Read More thumbnail image: Journal Highlight Excimers beyond pyrene A far-red optical proximity reporter and its application to the label-free detection of DNA

Crystals reveal the answer: Detecting drugs with a quartz crystal microbalance

Date: Mar 16, 2015

Author: Jon Evans

A novel type of high temperature quartz crystal disc could make the perfect detector for small, portable gas chromatography systems, say US researchers.

Read More thumbnail image: Crystals reveal the answer Detecting drugs with a quartz crystal microbalance

Journal Highlight: Cutting-edge mass spectrometry characterization of originator, biosimilar and biobetter antibodies

Date: Mar 9, 2015

Author: separationsNOW

This special features describes some of the cutting-edge mass spectrometry techniques available for analyzing antibody biosimilars, as well as some of the separation methods that can be combined with them.

Read More thumbnail image: Journal Highlight Cutting-edge mass spectrometry characterization of originator biosimilar and biobetter antibodies

Journal Highlight: Fiber optic illumination of a poly(dimethylsiloxane) sheath flow cuvette for diode LIF detection in CE

Date: Mar 2, 2015

Author: separationsNOW

A Canadian chemist has designd a tee-configuration sheath flow cuvette with square cross-section channels for conducting laser-induced fluorescence detection with a diode and optical fiber after capillary electrophoresis.

Read More thumbnail image: Journal Highlight Fiber optic illumination of a polydimethylsiloxane sheath flow cuvette for diode LIF detection in CE
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