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Milk test: Cheminformatics past your eyes

Date: Aug 15, 2015

Author: David Bradley

Researchers describe a non-destructive method for the analysis of the freshness or otherwise of raw cow's milk using cheminformatics techniques applied to data from Fourier transform near infrared (FT-NIR) spectroscopy.

Read More thumbnail image: Milk test Cheminformatics past your eyes

Fracking chemicals: Organic screening

Date: Jul 15, 2015

Author: David Bradley

An organic screening framework has been used to identify organic components of hydraulic fracturing fluid that have potential groundwater risks associated with their use in the event of a spill. Of 659 different substances examined, researchers identified just 15 that could be problematic.

Read More thumbnail image: Fracking chemicals Organic screening

Journal Highlight: Chemometrics-enhanced laser-induced thermal emission detection of PETN and other explosives on various substrates

Date: Jul 13, 2015

Author: spectroscopyNOW

Infrared emissions of pentaerythritol tetranitrate deposited as contamination residues on various substrates were measured to generate models for its detection and discrimination from the emissions of the substrates.

Read More thumbnail image: Journal Highlight Chemometrics-enhanced laser-induced thermal emission detection of PETN and other explosives on various substrates

Journal Highlight: Utilization of PARAFAC-modeled excitation-emission matrix (EEM) fluorescence spectroscopy to identify biogeochemical processing of dissolved organic matter in a northern peatland

Date: Jun 15, 2015

Author: spectroscopyNOW

The fluorescent properties of dissolved organic matter in fens and bogs in a Northern Minnesota peatland were studied using excitation-emission matrix fluorescence spectroscopy with parallel factor analysis, identifying four humic-like components and one protein-like component.

Read More thumbnail image: Journal Highlight Utilization of PARAFAC-modeled excitation-emission matrix EEM fluorescence spectroscopy to identify biogeochemical processing of dissolved organic matter in a northern peatland

Aqueous computing: A matter of control

Date: Jun 15, 2015

Author: David Bradley

Nineteenth century, American poet Lucy Larcom suggested that a single drop of water, if it could write out its own history, would explain the universe to us. Now, US researchers have not quite explained the universe with water droplets, but they have built a synchronous computer that operates using the unique physics of moving water droplets.

Read More thumbnail image: Aqueous computing A matter of control

Journal Highlight: Screening for chemicals in paper and board packaging for food use: Chemometric approach and estimation of migration

Date: May 18, 2015

Author: spectroscopyNOW

An analytical survey of 20 paper and board materials intended for food use was carried out to identify chemicals with a potential to migrate into foods, using a chemometric approach was used to explore the data.

Read More thumbnail image: Journal Highlight Screening for chemicals in paper and board packaging for food use Chemometric approach and estimation of migration

Cleaning up: Asthma link

Date: May 15, 2015

Author: David Bradley

The use of specific cleaning products and sprays at work, mainly irritants such as hydrochloric acid and ammonia solution, exacerbate symptoms in cleaners with asthma, according to a statistical analysis on use and symptoms.

Read More thumbnail image: Cleaning up Asthma link

Driving takes its toll: Emissions database

Date: Apr 15, 2015

Author: David Bradley

Vehicles generate about 28 percent of carbon dioxide emissions from fossil fuels in the USA, a proportion that is rising in many urban areas. Now, researchers have created DARTE (Database of Road Transportation Emissions), a new US wide data inventory to allow more detailed emission studies to be carried out in the context of climate change and other pollution effects.

Read More thumbnail image: Driving takes its toll Emissions database

Journal Highlight: Shrunken centroids regularized discriminant analysis as a promising strategy for metabolomics data exploration

Date: Apr 13, 2015

Author: spectroscopyNOW

Shrunken centroids regularized discriminant analysis has been applied to the exploration of a metabolomics dataset in the search for biomarkers.

Read More thumbnail image: Journal Highlight Shrunken centroids regularized discriminant analysis as a promising strategy for metabolomics data exploration

Journal Highlight: Rapid discrimination of slimming capsules based on illegal additives by electronic nose and flash gas chromatography

Date: Mar 16, 2015

Author: spectroscopyNOW

Slimming capsule samples with illegally added substances were analyzed by electronic nose and flash GC and the data were analysed by PCA and LDA using a data fusion strategy to integrate the data into a single model.

Read More thumbnail image: Journal Highlight Rapid discrimination of slimming capsules based on illegal additives by electronic nose and flash gas chromatography
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