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Parabens and breast cancer: Controversial preservatives found in almost all breast tissues

Date: Feb 15, 2012

Author: Steve Down

The controversy surrounding the link between parabens and breast tissue resurfaced in January with the news that virtually every breast tissue sample from 40 breast cancer patients contained these common preservatives.

Read More thumbnail image: Parabens and breast cancer Controversial preservatives found in almost all breast tissues

Journal Highlight: Wood typification by Venturi easy ambient sonic spray ionization mass spectrometry: the case of the endangered Mahogany tree

Date: Feb 13, 2012

Author:

Venturi easy ambient sonic spray ionization mass spectrometry in both its liquid and solid sample modes is shown to provide nearly immediate and secure typification of woods, as demonstrated for mahogany, an endangered and most valuable type of tropical wood.

Read More thumbnail image: Journal Highlight Wood typification by Venturi easy ambient sonic spray ionization mass spectrometry the case of the endangered Mahogany tree

Potty about tobacco: Nicotine traces in a Mayan pot confirm its use for storing tobacco

Date: Feb 1, 2012

Author: Steve Down

Nicotine traces have been discovered in a 1300-year-old Mayan flask, providing the first physical evidence of tobacco use by the ancient Mayas and only the second recorded case in which the contents match the hieroglyphics on the outside of the vessel.

Read More thumbnail image: Potty about tobacco Nicotine traces in a Mayan pot confirm its use for storing tobacco

Journal Highlight: Applications of mass spectrometry to metabolomics and metabonomics: Detection of biomarkers of aging and of age-related diseases

Date: Jan 16, 2012

Author:

The application of metabolomics to aging research is reviewed for two primary audiences: mass spectrometrists interested in applying their technical knowledge to unanswered questions in the aging field, and gerontologists interested in expanding their knowledge of both mass spectrometry and the most recent advances in aging-related metabolomics.

Read More thumbnail image: Journal Highlight Applications of mass spectrometry to metabolomics and metabonomics Detection of biomarkers of aging and of age-related diseases

Expanding doping detection: Screening for carbohydrate-based plasma volume expanders

Date: Jan 15, 2012

Author: Steve Down

The plasma volume expanders mannitol, dextran and hydroxyethyl starch, which are on the WADA prohibited list as masking agents, have been determined in urine by a mass spectrometric method. The procedure has been validated to WADA requirements for accredited laboratories.

Read More thumbnail image: Expanding doping detection Screening for carbohydrate-based plasma volume expanders

Forgeries foiled: EASI mass spectrometry identifies falsified vehicle registration documents

Date: Jan 5, 2012

Author: Steve Down

Forged Brazilian vehicle documents have been detected by ambient mass spectrometry due to the presence of a stabiliser found in printing ink that is absent from genuine documents.

Read More thumbnail image: Forgeries foiled EASI mass spectrometry identifies falsified vehicle registration documents

Banged to rights: Firearms distinguished using gunshot residues on fabrics

Date: Dec 15, 2011

Author: Steve Down

Gunshot residues on different types of fabrics have been analysed by high resolution mass spectrometry and the elemental data displayed on ternary graphs to reveal the type of weapon that was fired. The method could provide vital clues in forensic investigations where the firearm has not been recovered.

Read More thumbnail image: Banged to rights Firearms distinguished using gunshot residues on fabrics

Journal Highlight: The pivotal role of mass spectrometry in determining the presence of chemical contaminants in food raw materials

Date: Dec 12, 2011

Author:

The contribution and potential of mass spectrometry-based techniques, with and without chromatographic coupling, to ensure the absence of chemical contaminants in food-based products has been reviewed.

Read More thumbnail image: Journal Highlight The pivotal role of mass spectrometry in determining the presence of chemical contaminants in food raw materials

False negatives in food: High resolution mass spectrometry sorts analytes from interferents

Date: Dec 1, 2011

Author: Steve Down

A common food contaminant which could not be confirmed in many foods by tandem mass spectrometry due to a coeluting compound has been analysed successfully using high resolution mass spectrometry, preventing the occurrence of potentially harmful false negatives.

Read More thumbnail image: False negatives in food High resolution mass spectrometry sorts analytes from interferents

The pressure is on: Imaging mass spectrometry for bedsore profiles

Date: Nov 15, 2011

Author: Steve Down

The protein and lipid compositions of pressure ulcers have been visualised by imaging mass spectrometry to give a much-needed view of the molecular status of these chronic wounds that could lead to a prognostic test of their reparative status.

Read More thumbnail image: The pressure is on Imaging mass spectrometry for bedsore profiles
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