Base Peak / Ezine
Paper problems continue: Bisphenol A replacement found in currency and paper products
Date: Aug 1, 2012
Author: Steve Down
Bisphenol S, one of the modern replacements for bisphenol A, has been measured in many different types of paper to establish baseline levels and estimate human exposure by handling the paper.
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Swimming pool imperfections: Disinfection by-products from skin and urine
Date: Jul 16, 2012
Author: Steve Down
New disinfection by-products identified in swimming pools are mainly halophenols and halonitrophenols that originate from the chlorination of human urine and skin, so swimmers should avoid urinating in the water, say Chinese researchers
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Journal Highlight: Worldwide proficiency test for routine analysis of δ2H and δ18O in water by isotope-ratio mass spectrometry and laser absorption spectroscopy
Date: Jul 9, 2012
Author: spectroscopyNOW
In a worldwide proficiency test for analytical laboratories conducting routine analysis of δ2H and δ18O values in water isotope-ratio mass spectrometry and laser absorption spectroscopy, 96% of the lab submissions gave acceptable results.
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Playtime in the lab: Toy building blocks used to develop TLC/MS interface
Date: Jul 1, 2012
Author: Steve Down
LEGO® building blocks and electronic components have been used for the rapid and cheap development of a continuous TLC interface for ambient mass spectrometry.
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Massive particle measurement: Viruses and nanoparticles sized by rapid MS method
Date: Jun 15, 2012
Author: Steve Down
The masses of viruses and nanoparticles have been measured by a rapid mass spectrometric method and the mass distribution of a virus has been reported for the first time.
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Journal Highlight: Analysis of select Dalbergia and trade timber using direct analysis in real time and time-of-flight mass spectrometry for CITES enforcement
Date: Jun 11, 2012
Author: spectroscopyNOW
In order to supplement morphological identification of Dalbergia species, selected Dalbergia and common trade species were analysed by DART ionization coupled with TOF mass spectrometry.
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Staying one jump ahead: Screening antibiotics in frog legs by accurate mass spectrometry
Date: Jun 1, 2012
Author: Steve Down
Veterinary antibiotics have been detected in frog legs and other aquacultured fish by an LC/MS method using high resolution mass spectrometry, confirming that most frog legs imported into the US have residues above regulatory action levels.
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Pyrethrins exposed: Flower extracts tested by LC/MS with direct electron ionisation
Date: May 15, 2012
Author: Steve Down
The six pyrethrins in chrysanthemum flower heads and a pyrethrum extract have been measured by an LC/MS method with electron ionisation, sidestepping problems with thermal stability in the first study of its type.
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Journal Highlight: MALDI-MS investigation of pollen and their classification by multivariate statistics
Date: May 14, 2012
Author: spectroscopyNOW
Matrix-assisted laser desorption/ionization mass spectrometry was applied to the analysis of pollen extracts and milled pollen samples and the data were explored for characteristic peak patterns which could be subjected to a multivariate statistical analysis.
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Journal Highlight: Expanding the data depth for the analysis of complex crude oil samples by FTICR MS using the spectral stitching method
Date: May 10, 2012
Author: spectroscopyNOW
Spectral stitching using small SIM windows was used to overcome the suppression effects observed with crude oil samples in FTICR MS caused by the sheer number of individual compounds present.
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