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A cone for summer: Combining LIF detection with ESI-MS

Date: Jul 15, 2019

Author: Jon Evans

Hungarian researchers have a found a novel way to combine LIF detection and ESI-MS with capillary electrophoresis, by conducting LIF detection on the Taylor cone formed during ESI.

Read More thumbnail image: A cone for summer Combining LIF detection with ESI-MS

Journal Highlight: At‐line multi‐angle light scattering detector for faster process development in enveloped virus‐like particle purification

Date: Jul 8, 2019

Author: separationsNOW

Scientists in Austria and Spain have shown that multi‐angle light scattering and fluorescence detectors, together with size-exclusion chromatography, can be used for the direct in‐process tracking of fluorescent virus‐like particles.

Read More thumbnail image: Journal Highlight Atline multiangle light scattering detector for faster process development in enveloped viruslike particle purification

Journal Highlight: Preliminary investigation of aluminium fluoride complexes in aqueous solutions with CE/ESI‐MS and CE/ICP‐MS

Date: Jul 1, 2019

Author: separationsNOW

Japanese researchers have used two capillary electrophoresis systems, one coupled with electrospray ionization mass spectrometry and one coupled with inductively coupled plasma mass spectrometry, to analyze aluminium ions dissolved in water.

Read More thumbnail image: Journal Highlight Preliminary investigation of aluminium fluoride complexes in aqueous solutions with CEESIMS and CEICPMS

A sprinkling of graphene: Enhancing fluorescent detection with graphene quantum dots

Date: Jun 17, 2019

Author: Jon Evans

A sprinkling of graphene quantum dots can greatly enhance the fluorescence of analytes separated by capillary electrophoresis, say Spanish chemists.

Read More thumbnail image: A sprinkling of graphene Enhancing fluorescent detection with graphene quantum dots

Journal Highlight: Application of simultaneous separation and derivatization for the determination of α‐lipoic acid in urine samples by HPLC with spectrofluorimetric detection

Date: Jun 10, 2019

Author: separationsNOW

Polish chemists have used spectrofluorimetric detection with high performance liquid chromatography to determine the antioxidant lipoic acid, which is abundant in foods such as broccoli and spinach, in human urine.

Read More thumbnail image: Journal Highlight Application of simultaneous separation and derivatization for the determination of lipoic acid in urine samples by HPLC with spectrofluorimetric detection

Journal Highlight: Characterization of the volatiles profile of Chinese rice wine by comprehensive GCxGC coupled to quadrupole MS

Date: Jun 3, 2019

Author: separationsNOW

Chinese scientists have developed a method based on quadrupole mass spectrometry with two‐dimensional gas chromatography for stuyding the volatiles in Chinese rice wine, which they applied to Shaoxing rice wine.

Read More thumbnail image: Journal Highlight Characterization of the volatiles profile of Chinese rice wine by comprehensive GCxGC coupled to quadrupole MS

Come together: Two-photon-excited-fluorescence detection with supercritical fluid chromatography

Date: May 20, 2019

Author: Jon Evans

When looking for a detection technique for the first microchip version of supercritical fluid chromatography, German chemists turned to a form of laser-induced fluorescence detection inspired by two-photon fluorescence microscopy.

Read More thumbnail image: Come together Two-photon-excited-fluorescence detection with supercritical fluid chromatography

Journal Highlight: Multi‐angle light scattering: An efficient tool revealing molecular structure of synthetic polymers

Date: May 13, 2019

Author: separationsNOW

Multi-angle light scattering with size‐exclusion chromatography or asymmetric flow field flow fractionation can be used to probe important characteristics of polymers such as chain conformation and branching, says a German scientist.

Read More thumbnail image: Journal Highlight Multiangle light scattering An efficient tool revealing molecular structure of synthetic polymers

Journal Highlight: Rapid electrophoretic monitoring of the anaesthetic ketamine and its metabolite norketamine in rat blood using a contactless conductivity detector to study the pharmacokinetics

Date: May 7, 2019

Author: separationsNOW

Scientists in Czechia have combined contactless conductivity detection with capillary electrophoresis to study the pharmacokinetics of the anaesthetic ketamine and its main metabolite norketamine.

Read More thumbnail image: Journal Highlight Rapid electrophoretic monitoring of the anaesthetic ketamine and its metabolite norketamine in rat blood using a contactless conductivity detector to study the pharmacokinetics

Unrestricted mobility: Combining capillary electrophoresis with ion mobility spectrometry

Date: Apr 15, 2019

Author: Jon Evans

There are many benefits to coupling capillary electrophoresis with mass spectrometry, but there may be even more to coupling it with ion mobility spectrometry.

Read More thumbnail image: Unrestricted mobility Combining capillary electrophoresis with ion mobility spectrometry
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