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Fat work: Analysis and PLS

Date: Dec 15, 2016

Author: David Bradley

Elevated circulating concentrations of free fatty acids (FFAs) is generally considered to be a universal metabolic signature of excessive adipocyte lipolysis. Accurately screening and assessing the problem is now possible thanks to the development of a novel combination of UHPLC-Orbitrap and partial least squares (PLS).

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CPR to resuscitate polluted produce

Date: Dec 13, 2016

Author: Ryan De Vooght-Johnson

More successful prevention of global pesticide abuse proves imminent as Chinese scientists use CPR (Chromatographic Peak Reconstruction) to tackle the problem.

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Journal Highlight: Chemometrics coupled with ultraviolet spectroscopy: a tool for the analysis of variety, adulteration, quality and ageing of apple juices

Date: Dec 12, 2016

Author: spectroscopyNOW

UV spectroscopy coupled with chemometrics has potential as a portable tool for the detection of variety, adulteration, quality and ageing of apple juices and other fruit and vegetable juices.

Read More thumbnail image: Journal Highlight Chemometrics coupled with ultraviolet spectroscopy a tool for the analysis of variety adulteration quality and ageing of apple juices

Futuristic MS methods found feasible for forensics, pharma and food

Date: Dec 1, 2016

Author: Ryan De Vooght-Johnson

Curiosity killed the cat—allegedly—but also allowed Sapiens to flourish. At the heart of humankind’s endless curiosity lies a labyrinth of data, verging on too complex and too vast for humankind to process. In response, scientists have handed their MS/MS data to silicon, to great success.

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Vendor column: If you aren’t controlling your process, your process is controlling you

Date: Nov 29, 2016

Author: Daniel Shiley

This is the fourth and final segment in the series on near-infrared for the mining industry. Development of quantitative data sets was discussed in the previous article. This article will discuss the finished quantitative model as it can be used to optimize mine productivity.

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Whisky all go go: Cheminformatic botanic

Date: Nov 15, 2016

Author: David Bradley

Cheminformatics can be used to process data from headspace mass-spectrometry (HS-MS), mid-infrared (MIR) and UV-Vis spectroscopy and so ascertain the authenticity and origin of Irish, Spanish, Bourbon, Tennessee Whisky and Scotch, according to a study published by researchers from Poland and Spain. Their approach is quick and simple and requires no pre-preparation of samples.

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Journal Highlight: Compression strategies for the chemometric analysis of mass spectrometry imaging data

Date: Nov 14, 2016

Author: spectroscopyNOW

Different compression approaches have been tested to reduce the size of mass spectrometry imaging data to allow the subsequent application of typical chemometric methods for image analysis.

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Scientists reverse engineer the nuts and bolts of medicinal legumes

Date: Nov 14, 2016

Author: Ryan De Vooght-Johnson

Curiosity killed the cat—allegedly—but also allowed Sapiens to flourish. At the heart of humankind’s endless curiosity lies a labyrinth of data, verging on too complex and too vast for humankind to process. In response, scientists have handed their MS/MS data to silicon, to great success.

Read More thumbnail image: Scientists reverse engineer the nuts and bolts of medicinal legumes

Can the opinion of sensory panels be reduced to chemical analyses?

Date: Nov 1, 2016

Author: Ryan De Vooght-Johnson

Researchers in Germany have developed a using GC-MS and olfactometry combined with linear discriminant analysis method to classify samples of virgin rapeseed oil based on sensory qualities. But can this eliminate the need for professional taste testers?

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Vendor Column: Why should I perform calculations within my chromatography data system?

Date: Oct 22, 2016

Author: Chris Stumpf

In the fifth article in this current series, Waters Corporation's Chris Stumpf addresses using a chromatography data system for calculations over a spreadsheet.

Read More thumbnail image: Vendor Column Why should I perform calculations within my chromatography data system
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