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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.

Read More thumbnail image: Journal Highlight Worldwide proficiency test for routine analysis of 2H and 18O in water by isotope-ratio mass spectrometry and laser absorption spectroscopy

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.

Read More thumbnail image: Playtime in the lab Toy building blocks used to develop TLCMS interface

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.

Read More thumbnail image: Massive particle measurement Viruses and nanoparticles sized by rapid MS method

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.

Read More thumbnail image: Journal Highlight Analysis of select Dalbergia and trade timber using direct analysis in real time and time-of-flight mass spectrometry for CITES enforcement

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.

Read More thumbnail image: Staying one jump ahead Screening antibiotics in frog legs by accurate mass spectrometry

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.

Read More thumbnail image: Pyrethrins exposed Flower extracts tested by LCMS with direct electron ionisation

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.

Read More thumbnail image: Journal Highlight MALDI-MS investigation of pollen and their classification by multivariate statistics

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.

Read More thumbnail image: Journal Highlight Expanding the data depth for the analysis of complex crude oil samples by FTICR MS using the spectral stitching method

Mobility differences: Cocaine cutting agents identified

Date: May 1, 2012

Author: Steve Down

Cocaine has been differentiated from the common cutting agents used in illicit samples by differential mobility spectrometry-mass spectrometry, providing a rapid alternative to chromatographic methods to assist hard-pressed lab analysts.

Read More thumbnail image: Mobility differences Cocaine cutting agents identified

It takes an age: Art pigments influence degradation of protein-based binders under UV light

Date: Apr 15, 2012

Author: Steve Down

The ageing of protein-based binders in works of art by UV light is affected by the presence of pigments, say European scientists, who followed the changes in rabbit glue. The findings should be useful in the fields of restoration and conservation.

Read More thumbnail image: It takes an age Art pigments influence degradation of protein-based binders under UV light
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