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Watching paint dry: Proton transfer mass spectrometry for indoor studies

Date: Sep 16, 2013

Author: Steve Down

The value of proton transfer reaction mass spectrometry for following the emission of volatile organic compounds in indoor spaces has been demonstrated by several examples, including laser printer discharges and paint drying.

Read More thumbnail image: Watching paint dry Proton transfer mass spectrometry for indoor studies

Journal Highlight: Condensed-phase laser ionization time-of-flight mass spectrometry of highly energetic nitro-aromatic compounds

Date: Sep 9, 2013

Author: spectroscopyNOW

Explosive nitro-aromatic compounds have been studied by laser ionization TOFMS to understand their mass spectra when directly ionized in the condensed phase in the absence of matrix.

Read More thumbnail image: Journal Highlight Condensed-phase laser ionization time-of-flight mass spectrometry of highly energetic nitro-aromatic compounds

The decline in bees: Are pesticide surfactants to blame?

Date: Sep 2, 2013

Author: Steve Down

High levels of the trisiloxane components of pesticides have been measured in beeswax and pollen from beehives, suggesting that their effects on the health of bees should be examined in detail due to the global decline in honey bees.

Read More thumbnail image: The decline in bees Are pesticide surfactants to blame

Signs of ageing: Metabolite linked to rate of ageing

Date: Aug 15, 2013

Author: Steve Down

A panel of human metabolites that correlate with age has been identified from a study on thousands of twins, leading to the possibility of a blood test that can predict which people are likely to age rapidly.

Read More thumbnail image: Signs of ageing Metabolite linked to rate of ageing

Journal Highlight: Tandem mass spectrometry for characterization of covalent adducts of DNA with anticancer therapeutics

Date: Aug 12, 2013

Author: spectroscopyNOW

This review focuses on the array of tandem mass spectrometric strategies developed and applied for characterization of covalent adducts formed between DNA and anticancer ligands.

Read More thumbnail image: Journal Highlight Tandem mass spectrometry for characterization of covalent adducts of DNA with anticancer therapeutics

Surgical mass spec: Intelligent knife finds tumour margins in real time

Date: Aug 1, 2013

Author: Steve Down

A new surgical device known as the iKnife will help surgeons to remove every part of a tumour by analysing the smoke emitted during electrosurgery in real time using an online mass spectrometer.

Read More thumbnail image: Surgical mass spec Intelligent knife finds tumour margins in real time

Conquering the nerve gases: High-resolution mass spectrometry of chemical warfare agents

Date: Jul 15, 2013

Author: Steve Down

Nerve agents have been detected in urine by a non-targeted high-resolution mass spectrometric method that is comparable to current MS/MS methods and is not limited to a specific panel of compounds.

Read More thumbnail image: Conquering the nerve gases High-resolution mass spectrometry of chemical warfare agents

Journal Highlight: Towards first principles calculation of electron impact mass spectra of molecules

Date: Jul 8, 2013

Author: spectroscopyNOW

The routine calculation of EI mass spectra is based on a combination of fast quantum chemical methods, molecular dynamics, and the stochastic preparation of "hot" primary ions.

Read More thumbnail image: Journal Highlight Towards first principles calculation of electron impact mass spectra of molecules

New use for old spice: Curcumin as MALDI imaging matrix

Date: Jul 2, 2013

Author: Steve Down

Curcumin, the spice normally used in cooking, has been used successfully as a matrix for MALDI imaging studies of a variety of samples, including fingermarks and tissue, performing at least as well as the classical matrix compound.

Read More thumbnail image: New use for old spice Curcumin as MALDI imaging matrix

Sudan dyes in seconds: Paper spray mass spectrometry for chilli powder tests

Date: Jun 15, 2013

Author: Steve Down

Paper spray mass spectrometry has been applied to measure five Sudan dyes simultaneously in chilli pepper within 60 seconds, providing a green, high-throughput method that could be used in quality control labs.

Read More thumbnail image: Sudan dyes in seconds Paper spray mass spectrometry for chilli powder tests
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