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Lending a hand: Cocaine metabolites in fingerprints confirm drug taking

Date: Jun 1, 2015

Author: Steve Down

A new drugs test for cocaine detects its two principal metabolites in latent fingerprints, paving the way for a rapid test that can distinguish simple contact from actual use.

Read More thumbnail image: Lending a hand Cocaine metabolites in fingerprints confirm drug taking

Condom classification: Ambient mass spec distinguishes brands

Date: May 15, 2015

Author: Steve Down

The chemicals found in condoms can be used to distinguish different brands by two ambient mass spectrometry techniques, providing extra forensic evidence which might help to identify criminal suspects.

Read More thumbnail image: Condom classification Ambient mass spec distinguishes brands

Journal Highlight: The inversion of aragonite to calcite during the sampling of skeletal archives: Implications for proxy interpretation

Date: May 11, 2015

Author: spectroscopyNOW

The stable isotope variability associated with sample milling from aragonitic organisms commonly used for paleoclimate studies has been examined.

Read More thumbnail image: Journal Highlight The inversion of aragonite to calcite during the sampling of skeletal archives Implications for proxy interpretation

Methylmalonic acid in serum: LC/MS method for this vitamin B12 indicator

Date: May 1, 2015

Author: Steve Down

A new method for measuring methylmalonic acid in serum as a measure of vitamin B12 deficiency is based on LC/MS, offering a more rapid and efficient procedure for the next NHANES cycle in the USA.

Read More thumbnail image: Methylmalonic acid in serum LCMS method for this vitamin B12 indicator

Sunscreen ratings: Protection factors by mass spec imaging

Date: Apr 15, 2015

Author: Steve Down

The sun protection factor of sunscreens can be estimated in vitro using mass spectrometry by measuring the levels of the filter compounds that have protective activity.

Read More thumbnail image: Sunscreen ratings Protection factors by mass spec imaging

Journal Highlight: In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry

Date: Apr 6, 2015

Author: spectroscopyNOW

Probe electrospray ionization mass spectra of soybeans and several nuts (peanuts, walnuts, cashew nuts, macadamia nuts and almonds) have been recorded in situ using different solid needles as sampling probes.

Read More thumbnail image: Journal Highlight In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry

Nailed it: Polyamines raised in fingernails of lung cancer patients

Date: Apr 3, 2015

Author: Steve Down

Diacetylpolyamines have been measured for the first time in fingernails of lung cancer patients, the LC/MS method providing an avenue for monitoring concentration changes and using the compounds as biomarkers of disease.

Read More thumbnail image: Nailed it Polyamines raised in fingernails of lung cancer patients

Volatiles in flavourings: Restricted components measured by GC/MS

Date: Mar 15, 2015

Author: Steve Down

Scientists belonging to an international flavour organisation have developed a GC/MS method to measure several naturally occurring restricted substances such as thujone and camphor in flavourings and their raw materials.

Read More thumbnail image: Volatiles in flavourings Restricted components measured by GCMS

Journal Highlight: Developments in FT-ICR MS instrumentation, ionization techniques, and data interpretation methods for petroleomics

Date: Mar 9, 2015

Author: spectroscopyNOW

This review offers an introduction to the basic principles, FT-ICR MS instrumentation development, ionization techniques, and data interpretation methods for petroleomics and is intended for readers having no prior experience in this field of study.

Read More thumbnail image: Journal Highlight Developments in FT-ICR MS instrumentation ionization techniques and data interpretation methods for petroleomics

New psychoactive substances: Active ingredients by selected reagent ionisation mass spectrometry

Date: Mar 2, 2015

Author: Steve Down

The active ingredients in new psychoactive substances which are sold legally as alternatives to banned drugs can be determined in seconds using a type of soft ionisation mass spectrometry involving selective ionic reagents.

Read More thumbnail image: New psychoactive substances Active ingredients by selected reagent ionisation mass spectrometry
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