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Redundant reference libraries: Pesticides in water by high-resolution mass spectrometry

Date: Jan 16, 2014

Author: Steve Down

Scientists in Switzerland have devised a fast and effective method based on high resolution mass spectrometry for screening pesticides in the environment that does not need reference standards.

Read More thumbnail image: Redundant reference libraries Pesticides in water by high-resolution mass spectrometry

Journal Highlight: Distinguishing wild from cultivated agarwood (Aquilaria spp.) using direct analysis in real time and time of-flight mass spectrometry

Date: Jan 13, 2014

Author: spectroscopyNOW

The direct analysis of wood for the diagnostic chromones using DART-TOFMS followed by discriminant analysis is sufficiently robust to differentiate wild from cultivated agarwood and provides strong inference for the origin of the agarwood.

Read More thumbnail image: Journal Highlight Distinguishing wild from cultivated agarwood Aquilaria spp_ using direct analysis in real time and time of-flight mass spectrometry

Coffee club: Roasting processes in single beans and in bulk

Date: Jan 7, 2014

Author: Steve Down

The volatile compounds emitted by coffee beans in an industrial roaster can be used to predict the degree of roasting, while those emitted from individually roasted beans can be used to distinguish between different coffee species.

Read More thumbnail image: Coffee club Roasting processes in single beans and in bulk

Allergens in wine: Protein fining agents identified

Date: Dec 15, 2013

Author: Steve Down

Residual allergenic proteins in wine originating from milk and egg white that are added as fining agents have been measured by high-resolution LC/MS analysis of their distinctive peptides that are produced after tryptic digestion.

Read More thumbnail image: Allergens in wine Protein fining agents identified

Journal Highlight: Determination of the stress biomarker corticosterone in serum of tumor-bearing mice by surrogate-based LC/MS

Date: Dec 9, 2013

Author: spectroscopyNOW

A simple, robust and specific LC-MS/MS method was developed and validated to determine the concentration of corticosterone, which is usually regarded as a stress biomarker, in mouse serum.

Read More thumbnail image: Journal Highlight Determination of the stress biomarker corticosterone in serum of tumor-bearing mice by surrogate-based LCMS

Allergens in wine: Protein fining agents identified

Date: Dec 3, 2013

Author: Steve Down

Residual allergenic proteins in wine originating from milk and egg white that are added as fining agents have been measured by high-resolution LC/MS analysis of their distinctive peptides that are produced after tryptic digestion.

Read More

Counterfeit cash: Authentic and forged banknotes distinguished by ambient mass spectrometry

Date: Dec 1, 2013

Author: Steve Down

Counterfeit banknotes can be distinguished from genuine notes by an ambient mass spectrometric technique which analyses the surface components and leaves the banknotes intact to be reused or redistributed.

Read More thumbnail image: Counterfeit cash Authentic and forged banknotes distinguished by ambient mass spectrometry

Hash marks: Hashish seizures compared by GC/MS

Date: Nov 15, 2013

Author: Steve Down

Different seizures of hashish can be linked to the same block by GC/MS analysis which compares the profiles of seven components, six cannabinoids and one hydrocarbon.

Read More thumbnail image: Hash marks Hashish seizures compared by GCMS

Journal Highlight: Direct analysis of lipsticks by sorptive tape-like extraction laser desorption/ionization mass spectrometry imaging

Date: Nov 11, 2013

Author: spectroscopyNOW

A simple and rapid method for lipid evaluation in lipsticks has been devised using sorptive tape-like extraction laser desorption/ionization mass spectrometry imaging.

Read More thumbnail image: Journal Highlight Direct analysis of lipsticks by sorptive tape-like extraction laser desorptionionization mass spectrometry imaging

Crazy workout supplement: Undeclared methamphetamine analogue

Date: Nov 4, 2013

Author: Steve Down

A new analogue of methamphetamine which was not declared on the list of ingredients has been identified in a popular workout supplement, leading to its withdrawal from sale.

Read More thumbnail image: Crazy workout supplement Undeclared methamphetamine analogue
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