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Journal Highlight: An ambient detection system for visualization of charged particles generated with ionization methods at atmospheric pressure

Date: Jan 11, 2016

Author: separationsNOW

Researchers in the US and the Netherlands have used an active pixel detector to investigate the spatial distributions of charged droplets generated by three ionization sources used for mass spectrometry.

Read More thumbnail image: Journal Highlight An ambient detection system for visualization of charged particles generated with ionization methods at atmospheric pressure

Journal Highlight: Recent advances in chemiluminescence detection coupled with CE and MCE

Date: Jan 5, 2016

Author: separationsNOW

This review looks at recent advances in the use of chemiluminescence detection with capillary electrophoresis for applications such as chemical analysis, bioassays, drug analysis and environmental analysis.

Read More thumbnail image: Journal Highlight Recent advances in chemiluminescence detection coupled with CE and MCE

Smells like home: Analyzing the fragrance compounds released by scented candles

Date: Dec 21, 2015

Author: Jon Evans

Using gas chromatography with mass spectrometry and olfactometry, German scientists discovered that scented candles and other fragrant products found in many homes give off hundreds of different compounds, including known allergens.

Read More thumbnail image: Smells like home Analyzing the fragrance compounds released by scented candles

Journal Highlight: Two-photon excitation in chip electrophoresis enabling label-free fluorescence detection in non-UV transparent full-body polymer chips

Date: Dec 14, 2015

Author: separationsNOW

German scientists have developed a label-free deep UV fluorescence detection method that can be used in non-UV transparent full-body polymer microchip electrophoresis devices.

Read More thumbnail image: Journal Highlight Two-photon excitation in chip electrophoresis enabling label-free fluorescence detection in non-UV transparent full-body polymer chips

Journal Highlight: Determination of the pseudoephedrine content in pharmaceutical formulations and in biological fluids using a microbore HPLC system interfaced to a microfluidic chemiluminescence detector

Date: Dec 7, 2015

Author: separationsNOW

Chemists in Oman have combined a microfluidic chemiluminescence detector with liquid chromatography to detect pseudoephedrine, a well-known decongestant, in pharmaceutical formulations and biological fluids.

Read More thumbnail image: Journal Highlight Determination of the pseudoephedrine content in pharmaceutical formulations and in biological fluids using a microbore HPLC system interfaced to a microfluidic chemiluminescence detector

Time to spray: A novel ESI method for detecting analytes in picoliter samples

Date: Nov 16, 2015

Author: Jon Evans

A novel electrospray ionization (ESI) technique that sprays in carefully-timed pulses allows analytes in picoliter samples to be detected by mass spectrometry at concentrations 1000 times lower than possible with nano-ESI.

Read More thumbnail image: Time to spray A novel ESI method for detecting analytes in picoliter samples

Journal Highlight: Enhancement of mass spectrometry performance for proteomic analyses using high-field asymmetric waveform ion mobility spectrometry

Date: Nov 9, 2015

Author: separationsNOW

This article looks at the benefits of combining liquid chromatography-mass spectrometry with high-field asymmetric waveform ion mobility spectrometry for proteomics analyses.

Read More thumbnail image: Journal Highlight Enhancement of mass spectrometry performance for proteomic analyses using high-field asymmetric waveform ion mobility spectrometry

Journal Highlight: Dual-signal amplification strategy for ultrasensitive chemiluminescence detection of PDGF–BB in CE

Date: Nov 3, 2015

Author: separationsNOW

Chinese researchers have designed a dual-signal amplification strategy for conducting highly specific and ultrasensitive chemiluminescence detection with capillary electrophoresis.

Read More thumbnail image: Journal Highlight Dual-signal amplification strategy for ultrasensitive chemiluminescence detection of PDGFBB in CE

Deep sea detector: A single detector for monitoring gases from hydrothermal vents

Date: Oct 19, 2015

Author: Jon Evans

By precisely timing the opening and closing of a valve, Chinese and US chemists have been able to monitor hydrogen and methane released from hydrothermal vents on the ocean floor using gas chromatography with a single detector.

Read More thumbnail image: Deep sea detector A single detector for monitoring gases from hydrothermal vents

Journal Highlight: Characterization of poly (N-vinyl formamide) by SEC–multiangle light scattering and AF4–multiangle light scattering

Date: Oct 12, 2015

Author: separationsNOW

Spanish researchers have used size exclusion chromatography and asymmetric-flow field-flow fractionation with multiangle light scattering and a refractive index detector to characterize three related polymers.

Read More thumbnail image: Journal Highlight Characterization of poly N-vinyl formamide by SECmultiangle light scattering and AF4multiangle light scattering
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