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Pool party poopers: Swimmers and pool workers exposed to haloacetic acids

Date: Jul 1, 2011

Author: Steve Down

The exposure of swimmers and workers to the cytotoxic and carcinogenic haloacetic acids at indoor and outdoor swimming pools has been estimated by researchers in Spain from their urinary contents, revealing that ingestion is the major route of contact.

Read More thumbnail image: Pool party poopers Swimmers and pool workers exposed to haloacetic acids

Small and perfectly formed: Miniature mass spectrometer for field detection of chemical warfare agents

Date: Jun 15, 2011

Author: Steve Down

Chemical warfare agent simulants have been detected and measured using an automated miniature mass spectrometer designed to be deployed in the field for continuous facility monitoring, with analysis response times of 90 seconds.

Read More thumbnail image: Small and perfectly formed Miniature mass spectrometer for field detection of chemical warfare agents

Journal Highlight: GC-MS based metabolomics for rapid simultaneous detection of E. coli and Salmonella food-borne pathogens in ground beef and chicken

Date: Jun 13, 2011

Author:

A metabolomic-based method for the rapid detection and discrimination of food-borne pathogens used GC/MS with principal components analysis and will be critical to reduce food-related disease outbreaks and product recalls.

Read More thumbnail image: Journal Highlight GC-MS based metabolomics for rapid simultaneous detection of E_ coli and Salmonella food-borne pathogens in ground beef and chicken

Fire retardants on flood plains: Transfer to soil, grass and cows' milk when rivers flood their banks

Date: Jun 1, 2011

Author: Steve Down

When rivers break their banks and flood neighbouring pasture, polybrominated flame retardants from the sediments contaminate soil in the fields, according to a new UK study, but are not transferred efficiently to the grass or to the milk of grazing cows.

Read More thumbnail image: Fire retardants on flood plains Transfer to soil grass and cows milk when rivers flood their banks

Gently does it: SIMS of drug-polymer composites separates spectra of individual components

Date: May 15, 2011

Author: Steve Down

A version of secondary ion mass spectrometry, known as gentle-SIMS, has been used to separate the mass spectra of a drug from that of its polymeric carrier matrix in a process likened to chromatographic separation, which can be carried out in real time.

Read More thumbnail image: Gently does it SIMS of drug-polymer composites separates spectra of individual components

Journal Highlight: GC/MS based hair steroid profiling may reveal pathogenesis in hair follicles of the scalp

Date: May 9, 2011

Author:

A GC/MS method of steroid profiling, including androgens, progestins, corticoids and sterols, was developed to evaluate the concentrations of steroids as well as the activities of the enzymes responsible for steroidogenesis in hair.

Read More thumbnail image: Journal Highlight GCMS based hair steroid profiling may reveal pathogenesis in hair follicles of the scalp

Decontaminating illicit drug labs: DART speeds up screening

Date: May 1, 2011

Author: Steve Down

A rapid procedure has been established by US government scientists for the detection of illegal drugs on surfaces using ambient mass spectrometry, to ensure decontamination of ex-drug labs before they are made accessible to the public.

Read More thumbnail image: Decontaminating illicit drug labs DART speeds up screening

Air flow-assisted ionisation: Novel technique facilitates remote sampling

Date: Apr 15, 2011

Author: Steve Down

Ambient mass spectrometry has been boosted by the development of an air flow-assisted ionisation source which enhanced the capture and transport of charged species and provided sensitive remote sampling in real time.

Read More thumbnail image: Air flow-assisted ionisation Novel technique facilitates remote sampling

Journal Highlight: Progress in SIFT-MS: Breath analysis and other applications

Date: Apr 11, 2011

Author:

The development of selected ion flow tube mass spectrometry (SIFT-MS) is described from the large SIFT instruments used to demonstrate the feasibility of SIFT-MS towards the smaller but bulky transportable instruments and finally to the current smallest instruments that have been located in various places, including hospitals and schools, to obtain on-line breath analyses.

Read More thumbnail image: Journal Highlight Progress in SIFT-MS Breath analysis and other applications

Chinese ink sticks: Pyrolysing PAHs for differentiating soot sources

Date: Apr 1, 2011

Author: Steve Down

Chinese ink sticks have been differentiated on the basis of their PAH content by pyrolysis-GC/MS, which also detects additives such as fatty acids, and performs far better than GC/MS alone.

Read More thumbnail image: Chinese ink sticks Pyrolysing PAHs for differentiating soot sources
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