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Journal Highlight: Compound-specific hydrogen isotope analysis of fluorine-, chlorine-, bromine- and iodine-bearing organics using GC–chromium-based high-temperature conversion isotope ratio MS

Date: Jul 10, 2017

Author: separationsNOW

Scientists from Germany and the US have used chromium-based high-temperature conversion isotope ratio mass spectrometry with gas chromatography to analyse the hydrogen isotopes in halogen-bearing organics.

Read More thumbnail image: Journal Highlight Compound-specific hydrogen isotope analysis of fluorine- chlorine- bromine- and iodine-bearing organics using GCchromium-based high-temperature conversion isotope ratio MS

Journal Highlight: Determination of three capsaicinoids in raw red peppers and seasoning powders by LC with coulometric detection

Date: Jul 3, 2017

Author: separationsNOW

Scientists from Japan and Belgium have used a coulometric detector with liquid chromatography to determine the concentrations of three capsaicinoids in red peppers, both raw and in food.

Read More thumbnail image: Journal Highlight Determination of three capsaicinoids in raw red peppers and seasoning powders by LC with coulometric detection

SERS goes down the tubes: Combining LC with surface-enhanced Raman spectroscopy

Date: Jun 19, 2017

Author: Jon Evans

Using tubes and droplets, British scientists have come up with a novel method for combining liquid chromatography with surface-enhanced Raman spectroscopy.

Read More thumbnail image: SERS goes down the tubes Combining LC with surface-enhanced Raman spectroscopy

Journal Highlight: Combination of SDS-PAGE and intact mass analysis for rapid determination of heterogeneities in monoclonal antibody therapeutics

Date: Jun 12, 2017

Author: separationsNOW

Pharmaceutical scientists in Japan have shown that a combination of gel electrophoresis and intact mass analysis can play a pivotal role in the rapid and precise characterization of monoclonal antibodies.

Read More thumbnail image: Journal Highlight Combination of SDS-PAGE and intact mass analysis for rapid determination of heterogeneities in monoclonal antibody therapeutics

Journal Highlight: Determination of chlorate, perchlorate and bromate anions in water samples by microbore reversed-phase LC coupled to sonic-spray ionization MS

Date: Jun 7, 2017

Author: separationsNOW

Greek chemists have combined liquid chromatography with sonic-spray ionization mass spectrometry to analyze inorganic anions in water samples.

Read More thumbnail image: Journal Highlight Determination of chlorate perchlorate and bromate anions in water samples by microbore reversed-phase LC coupled to sonic-spray ionization MS

Seen in the pixels: Novel method for improving the sensitivity of fluorescence detection

Date: May 15, 2017

Author: Jon Evans

By taking advantage of the pixels in a charge-coupled device, Chinese scientists have come up with a simple way to improve the sensitivity of fluorescence-based detection.

Read More thumbnail image: Seen in the pixels Novel method for improving the sensitivity of fluorescence detection

Journal Highlight: Characterization of Ag and Au nanolayers on Cu alloys by TLC, SEM-EDS, and ICP-OES

Date: May 8, 2017

Author: separationsNOW

Chemists in Crotia have used a combination of thin-layer chromatography, scanning electron microscope-energy dispersive spectroscopy and inductively coupled plasma optical emission spectroscopy to analyze silver-plated and gilded copper alloys.

Read More thumbnail image: Journal Highlight Characterization of Ag and Au nanolayers on Cu alloys by TLC SEM-EDS and ICP-OES

Journal Highlight: Micellar liquid chromatographic determination of metformin hydrochloride using fluorimetric detection after pre-column derivatization

Date: May 3, 2017

Author: separationsNOW

Using a novel derivatization reaction, an Egyptian analytical chemist has been able to determine the type 2 diabetes drug metformin hydrochloride in human plasma with micellar liquid chromatography and fluorimetric detection.

Read More thumbnail image: Journal Highlight Micellar liquid chromatographic determination of metformin hydrochloride using fluorimetric detection after pre-column derivatization

Shedding light on drug delivery: Detecting protein-coated polymer particles

Date: Apr 17, 2017

Author: Jon Evans

Chinese chemists have come up with a novel method for coating polymer nanoparticles with proteins, which they assessed by studying the coated particles with several different analytical techniques.

Read More thumbnail image: Shedding light on drug delivery Detecting protein-coated polymer particles

Journal Highlight: Characterization of crude oil asphaltenes by coupling SEC directly to an ultrahigh-resolution MS

Date: Apr 10, 2017

Author: separationsNOW

German scientists have coupled Fourier transform Orbitrap mass spectrometry with size-exclusion chromatography to analyze the asphaltenes in crude oil.

Read More thumbnail image: Journal Highlight Characterization of crude oil asphaltenes by coupling SEC directly to an ultrahigh-resolution MS
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