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In situ suspended aggregate microextraction: Generic method for organic compounds

Date: Aug 10, 2015

Author: Steve Down

A versatile system for extracting organic compounds from water used supramolecular aggregates prepared in situ to trap the analytes, as illustrated by the analysis or organic UV filter compounds.

Read More thumbnail image: In situ suspended aggregate microextraction Generic method for organic compounds

Wine chlorophenols: Countercurrent chromatography with ionic liquids

Date: Jul 21, 2015

Author: Steve Down

Chlorophenols, which are used as pesticides, have been measured in red wine following extraction by countercurrent chromatography using an ionic liquid to modify one of the solvents.

Read More thumbnail image: Wine chlorophenols Countercurrent chromatography with ionic liquids

Journal Highlight: Comparison of manual and semi-automatic DNA extraction protocols for the barcoding characterization of hematophagous louse flies (Diptera: Hippoboscidae)

Date: Jul 13, 2015

Author: separationsNOW

The number of positive amplifications and the quality of the sequences obtained using four different DNA extraction methods that differ in their cost and time requirements have been compared for the genetic characterization of louse flies.

Read More thumbnail image: Journal Highlight Comparison of manual and semi-automatic DNA extraction protocols for the barcoding characterization of hematophagous louse flies Diptera Hippoboscidae

A spirited defence: Extracting PAHs from liqour

Date: Jul 7, 2015

Author: Steve Down

Polyaromatic hydrocarbons in alcoholic spirits have been extracted by an efficient, rapid and green ultrasound-assisted emulsification microextraction system, the absence of matrix effects in subsequent GC/MS analysis eliminating the need for standard additions during quantification.

Read More thumbnail image: A spirited defence Extracting PAHs from liqour

No fears for tears: One-pot protein extraction

Date: Jun 22, 2015

Author: Steve Down

Scientists in Norway have devised an efficient way to extract proteins from Schirmer tear fluid test strips that is carried out in one vessel and reduces losses, allowing more than 1500 proteins to be detected by LC/MS.

Read More thumbnail image: No fears for tears One-pot protein extraction

Journal Highlight: A sample preparation method for recovering suppressed analyte ions in MALDI TOF MS

Date: Jun 15, 2015

Author: separationsNOW

A modified thin-layer sample preparation method is described that significantly reduces the analyte suppression effect in MALDI TOF MS.

Read More thumbnail image: Journal Highlight A sample preparation method for recovering suppressed analyte ions in MALDI TOF MS

Ionic liquid SPME: Polycarbazole support for aromatic esters

Date: Jun 8, 2015

Author: Steve Down

A novel SPME fibre comprising an ionic liquid immobilised in the pores of a polycarbazole film has been prepared for the extraction of aromatic esters from aqueous liquids such as lake water and grape juice.

Read More thumbnail image: Ionic liquid SPME Polycarbazole support for aromatic esters

3D for top-down proteomics: Extra dimension for more proteins

Date: May 25, 2015

Author: Steve Down

An expanded protocol for separating proteins in biological mixtures uses three successive chromatographic methods which operate under different criteria, vastly improving the number of proteins resolved to allow deeper proteome profiling.

Read More thumbnail image: 3D for top-down proteomics Extra dimension for more proteins

Journal Highlight: Applications of magnetic surface imprinted materials for solid phase extraction of levofloxacin in serum samples

Date: May 18, 2015

Author: separationsNOW

Molecularly imprinted magnetic carbon nanotubes were prepared with a surface imprinting technique for the extraction of levofloxacin from serum samples.

Read More thumbnail image: Journal Highlight Applications of magnetic surface imprinted materials for solid phase extraction of levofloxacin in serum samples

PALME for acidic drugs: Liquid membrane system

Date: May 11, 2015

Author: Steve Down

Scientists who developed a sample preparation regime called parallel artificial liquid membrane extraction have applied it to the removal of acidic drugs from human plasma.

Read More thumbnail image: PALME for acidic drugs Liquid membrane system
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