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Journal Highlight: Utilizing a nano-sorbent for the selective solid-phase extraction of vanillic acid prior to its determination by photoluminescence spectroscopy

Date: Jan 19, 2015

Author: separationsNOW

A photoluminescence spectroscopic method was developed for the quantification of vanillic acid in plants after selective extraction using an SPE column packed with nickel–aluminum layered double hydroxide as a nano-sorbent.

Read More thumbnail image: Journal Highlight Utilizing a nano-sorbent for the selective solid-phase extraction of vanillic acid prior to its determination by photoluminescence spectroscopy

A rosy future: Pesticides from rose petals by dispersive SPE

Date: Jan 12, 2015

Author: Steve Down

Pesticide residues in rose petals bound for the perfumery and cosmetics industries have been measured by GC/MS following a modified QuEChERS method based on dispersive solid-phase extraction.

Read More thumbnail image: A rosy future Pesticides from rose petals by dispersive SPE

Urine proteomics: Sample preparation factors

Date: Dec 22, 2014

Author: Steve Down

UK scientists have examined the effects of processing time, temperature and protease inhibitors on the urinary proteome to find that patients’ diseases and the inter-patient variability are more dominant factors.

Read More thumbnail image: Urine proteomics Sample preparation factors

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
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