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Cosmetic musks: Supported liquid extraction

Date: Feb 24, 2014

Author: Steve Down

An efficient way to remove synthetic musks from cosmetic creams combining supported liquid extraction and solid-phase extraction has been devised by Chinese scientists for subsequent GC/MS measurement.

Read More thumbnail image: Cosmetic musks Supported liquid extraction

Journal Highlight: Commercial DNA extraction kits impact observed microbial community composition in permafrost samples

Date: Feb 17, 2014

Author: separationsNOW

The extraction of total community genomic DNA (gDNA) from permafrost is influenced by the type of commercial DNA extraction kit, reproducible results being achieved with gDNA from the three bead-beating lysis extraction kits.

Read More thumbnail image: Journal Highlight Commercial DNA extraction kits impact observed microbial community composition in permafrost samples

Drugs in drains: Sewage sampler for methamphetamine

Date: Feb 10, 2014

Author: Steve Down

Passive sampling devices have been inserted into the sewer lines leading from buildings used for illegal drug activity to trap methamphetamine for testing, a procedure which could reinforce criminal cases against suspects.

Read More thumbnail image: Drugs in drains Sewage sampler for methamphetamine

Pyrethroid metabolites in urine: Deconstructed hollow fibre microextraction

Date: Jan 27, 2014

Author: Steve Down

Urinary metabolites of a pyrethroid insecticide have been extracted by a deconstructed hollow fibre-supported liquid-phase microextraction method which is amenable with HPLC analysis.

Read More thumbnail image: Pyrethroid metabolites in urine Deconstructed hollow fibre microextraction

Journal Highlight: An update for human blood plasma pretreatment for optimized recovery of low-molecular-mass peptides prior to CE–MS and SPE–CE–MS

Date: Jan 20, 2014

Author: separationsNOW

Acetonitrile precipitation followed by a range of centrifugal filtration conditions was evaluated for the separation of peptides of low relative molecular mass in human blood plasma before CE–MS and SPE–CE–MS.

Read More thumbnail image: Journal Highlight An update for human blood plasma pretreatment for optimized recovery of low-molecular-mass peptides prior to CEMS and SPECEMS

Pesticidal protein from transgenic crops: Validation of soil extraction and ELISA measurement

Date: Jan 13, 2014

Author: Steve Down

A simple method for extracting a pesticidal protein from soil after it escapes from transgenic corn has been validated by US scientists, supporting an accurate method for its measurement.

Read More thumbnail image: Pesticidal protein from transgenic crops Validation of soil extraction and ELISA measurement

SPME fibre for fuel additive: Ionic liquids and carbon nanotubes make superporous fibre for MTBE

Date: Dec 13, 2013

Author: Steve Down

A novel SPME fibre based on ionic liquid-mediated multiwalled carbon nanotubes has been designed for extracting methyl tert-butyl ether from water that has become contaminated with gasoline.

Read More thumbnail image: SPME fibre for fuel additive Ionic liquids and carbon nanotubes make superporous fibre for MTBE

Journal Highlight: Bis(tert-butylpyrene) nanotweezers and nanocalipers: Enhanced extraction and recognition abilities for single-walled carbon nanotubes

Date: Dec 9, 2013

Author: separationsNOW

A host–guest methodology was developed for separation of single-walled carbon nanotubes according to the handedness, diameter and metallicity by the use of diporphyrin nanotweezers and nanocalipers.

Read More thumbnail image: Journal Highlight Bistert-butylpyrene nanotweezers and nanocalipers Enhanced extraction and recognition abilities for single-walled carbon nanotubes

Marine pollution indicators: Comparing protein extractions systems for sentinel species

Date: Dec 9, 2013

Author: Steve Down

The performances of three well-known liquid systems for extracting proteins from marine organisms have been compared in the context of ecotoxicoproteomics studies.

Read More thumbnail image: Marine pollution indicators Comparing protein extractions systems for sentinel species

Fishing for bioactive components of TCMs: Magnetic nanoparticles coated with human serum albumin as traps

Date: Nov 25, 2013

Author: Steve Down

Human serum albumin has been bound to magnetic nanoparticles to trap bioactive compounds from Radix Astragali, a widely used traditional Chinese medicine and food supplement.

Read More thumbnail image: Fishing for bioactive components of TCMs Magnetic nanoparticles coated with human serum albumin as traps
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