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Proteomics workflows: Detergent comparison for bacteria

Date: Sep 23, 2013

Author: Steve Down

A comparison of bacterial protein extraction procedures based on detergents has shown the importance of tailoring the workflow to the specific sub-group of proteins under investigation.

Read More thumbnail image: Proteomics workflows Detergent comparison for bacteria

Journal Highlight: Effect of extraction, pasteurization and cold storage on flavonoids and other secondary metabolites in fresh orange juice

Date: Sep 16, 2013

Author: separationsNOW

The changes in nutrients, phytonutrients and other secondary metabolites due to different methods of orange juice extraction on the same batch of fruit have been investigated.

Read More thumbnail image: Journal Highlight Effect of extraction pasteurization and cold storage on flavonoids and other secondary metabolites in fresh orange juice

Layer cake for aromatic acids: Soluble layered double hydroxides accelerate extraction

Date: Sep 9, 2013

Author: Steve Down

Three types of layered double hydroxide have been used to extract aromatic acids from liquids like drinks and urine using either dispersive solid-phase extraction or co-precipitation.

Read More thumbnail image: Layer cake for aromatic acids Soluble layered double hydroxides accelerate extraction

Culture club: Bacterial pre-treatment influences mass spectral reproducibility

Date: Aug 27, 2013

Author: Steve Down

The culture conditions and sample preparation protocols for the mass spectrometric profiling of Staphylococcus aureus affect the ability to distinguish between MRSA and MSSA forms.

Read More thumbnail image: Culture club Bacterial pre-treatment influences mass spectral reproducibility

Journal Highlight: New analytical method for the determination of musks in personal care products by Quick, Easy, Cheap, Effective, Rugged, and Safe extraction followed by GC–MS

Date: Aug 19, 2013

Author: separationsNOW

A new method based on quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction followed by GC–MS for the analysis of 12 musks in personal care products was developed and validated.

Read More thumbnail image: Journal Highlight New analytical method for the determination of musks in personal care products by Quick Easy Cheap Effective Rugged and Safe extraction followed by GCMS

Bubble trapping: Solvent sublation of polymer additives from beverage packaging

Date: Aug 12, 2013

Author: Steve Down

Antioxidants and UV absorbing compounds contained in the plastic packaging used for beverages have been extracted from the liquids by solvent sublation, an adsorptive bubble separation technique, for analysis by HPLC.

Read More thumbnail image: Bubble trapping Solvent sublation of polymer additives from beverage packaging

Spice volatiles: Ultrasonic nebulisation with LPME in extraction column

Date: Jul 23, 2013

Author: Steve Down

A novel extraction process combining ultrasonic nebulisation with an extraction column for liquid-phase microextraction has been introduced by Chinese scientists and applied to the collection of volatile compounds from the spice fennel.

Read More thumbnail image: Spice volatiles Ultrasonic nebulisation with LPME in extraction column

Journal Highlight: Experimental and simulation study on enantioselective extraction in centrifugal contactor separators

Date: Jul 15, 2013

Author: separationsNOW

The enantioselective liquid–liquid extraction of phenylsuccinic acid enantiomers using hydrophilic hydroxyphenyl-β-CD as extractant was studied experimentally in a countercurrent cascade of 10 centrifugal contactor separators.

Read More thumbnail image: Journal Highlight Experimental and simulation study on enantioselective extraction in centrifugal contactor separators

Electric assistance: Commercial fibres in electroenhanced SPME of methamphetamine

Date: Jul 8, 2013

Author: Steve Down

The extraction of methamphetamine from urine samples by SPME using commercial fibres is improved substantially by the application of a negative potential to the fibre.

Read More thumbnail image: Electric assistance Commercial fibres in electroenhanced SPME of methamphetamine

Chip for carbonyls: Microfluidic device for atmospheric aldeydes

Date: Jun 24, 2013

Author: Steve Down

A lab-on-a-chip system has been designed for the derivatisation of airborne carbonyl compounds, the products being collected in a glass microreactor for GC/MS analysis.

Read More thumbnail image: Chip for carbonyls Microfluidic device for atmospheric aldeydes
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