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Journal Highlight: Microfluidic sample preparation for elemental analysis in liquid samples using micro X-ray fluorescence spectrometry

Date: Dec 15, 2014

Author: separationsNOW

The suitability of a sample presentation method for small volumes of liquid contained in an XRF-compatible device using a novel prototype chip was compared with that of a commercially produced microfluidic device.

Read More thumbnail image: Journal Highlight Microfluidic sample preparation for elemental analysis in liquid samples using micro X-ray fluorescence spectrometry

Lung cancer breath: Volatiles trapped by monolithic sorptive extraction

Date: Dec 9, 2014

Author: Steve Down

Benzene and related compounds on the breath that might be related to lung cancer have been captured on a new monolithic material for measurement by GC/MS as potential biomarkers.

Read More thumbnail image: Lung cancer breath Volatiles trapped by monolithic sorptive extraction

Grape and wine aroma volatiles: Optimum hydrolysis treatment

Date: Dec 1, 2014

Author: Steve Down

The optimum conditions for extracting and hydrolysing grape and wine aroma compounds that are bound to glycosides have been determined by scientists in the US, paving the way for rapid characterisation of the effects of grape maturity and winemaking practices on aroma.

Read More thumbnail image: Grape and wine aroma volatiles Optimum hydrolysis treatment

Journal Highlight: Urine sample preparation for proteomic analysis

Date: Nov 24, 2014

Author: separationsNOW

This review summarizes obstacles and achievements in protein sample preparation from urine for proteome analysis using mass spectrometry, with special emphasis on the discovery of novel cancer biomarkers.

Read More thumbnail image: Journal Highlight Urine sample preparation for proteomic analysis

Surfactant-based ionic liquids: Phenol extractants for water

Date: Nov 1, 2014

Author: Steve Down

A novel ionic liquid incorporating a surfactant has been synthesised for the removal of phenolic compounds from environmental water for subsequent analysis by capillary electrophoresis.

Read More thumbnail image: Surfactant-based ionic liquids Phenol extractants for water

Journal Highlight: Microwave extraction–isotope ratio infrared spectroscopy (ME-IRIS): a novel technique for rapid extraction and in-line analysis of δ18O and δ2H values of water in plants, soils and insects

Date: Oct 20, 2014

Author: separationsNOW

A rapid single-step technique which combines microwave extraction with isotope ratio infrared spectroscopy was used to measure the δ18O and δ2H values of water from ants, plants, soil and sand.

Read More thumbnail image: Journal Highlight Microwave extractionisotope ratio infrared spectroscopy ME-IRIS a novel technique for rapid extraction and in-line analysis of 18O and 2H values of water in plants soils and insects

Magnetic monolith: Portable extraction medium

Date: Oct 13, 2014

Author: Steve Down

A portable extraction device based on polymeric monolithic material and incorporating a magnet has been designed by Chinese scientists and demonstrated for the removal of UV filtering benzophenone derivatives from water.

Read More thumbnail image: Magnetic monolith Portable extraction medium

Cosmetic parabens: Ultrasonic nebulisation and dispersive microextraction

Date: Sep 22, 2014

Author: Steve Down

Six of the preservatives known as parabens have been extracted from cosmetics by a new procedure combining ultrasonic nebulisation with dispersive liquid-liquid microextraction, using water in place of an organic solvent as the dispersant.

Read More thumbnail image: Cosmetic parabens Ultrasonic nebulisation and dispersive microextraction

Journal Highlight: Solid-phase extraction of plant thionins employing aluminum silicate based extraction columns

Date: Sep 15, 2014

Author: separationsNOW

A highly selective SPE method for plant thionins deployed aluminum silicate (3:2 mullite) powder as a sorbent and was illustrated by the extraction of viscotoxins, purothionins and hordothionins from European mistletoe, wheat and barley, respectively.

Read More thumbnail image: Journal Highlight Solid-phase extraction of plant thionins employing aluminum silicate based extraction columns

Dispersed hair dyes: Aminophenols extracted by solid-phase dispersion extraction

Date: Sep 8, 2014

Author: Steve Down

The phenolic components in hair dyes can be simultaneously extracted and cleaned up in a few minutes by solid-phase dispersion extraction before analysis by ion chromatography.

Read More thumbnail image: Dispersed hair dyes Aminophenols extracted by solid-phase dispersion extraction
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