Chemometrics & Informatics @ spectroscopyNOW

This channel covers research and development into all aspects of chemometric and informatic techniques used in chemical data analysis, including quality control and batch monitoring as well as experimental design and signal processing using PCA, MVA, PARAFAC, PLS, and LIMS.

Monthly Highlight

Last Month's Most Accessed Feature: Viagra cheats exposed by TLC

Health supplements in some countries are frequently adulterated with PDE5 inhibitors, such as sildenafil (Viagra) or unapproved analogues. Researchers from Tianjin University of Science and Technology in China used a combination of TLC and Raman spectroscopy for the rapid identification of these pharmaceutical products in supplement samples.

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2017 Free Sample Issues of Key Analytical Science Journals

The 2017 free sample issues of all our Analytical Chemistry journals are now available!

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Advertorial Feature

Wiley Spectra Lab:
The World's Largest Spectral Database

thumbnail image: <font size=3>Wiley Spectra Lab:</font><br/>The World's Largest Spectral Database

Wiley Spectra Lab is an expert spectral data system that uses empirical spectral data and advanced software to help chemists, toxicologists, and life scientists confidently identify chemical substances. Powered by the KnowItAll® analytical platform by Bio-Rad, Wiley Spectra Lab provides researchers with access to 2.2 million MS, NMR, and IR spectra – the broadest and largest collection in the world.

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Ezines

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No standards involved, but are all problems solved?

Ryan De Vooght-Johnson

Aug 15, 2017

thumbnail image: No standards involved but are all problems solved

Modern analytical techniques, such as HRMS (high-resolution mass spectrometry), enable the simultaneous detection of a large number of compounds, but normally rely on analytical standards of all the compounds being available, which may not be the case. Researchers from the Zurich Official Food Control Authority have developed an LC-HRMS method that identifies compounds without the use of standards, demonstrating its efficiency by identifying veterinary compounds spiked into meat and fish extracts.

A computer simulation by US scientists reveals how a high-energy plasma can be used to toughen up carbon nanotubes.

An entropy minimization technique that can eliminate the need for comprehensive preprocessing steps has been developed to detect organophosphorus pesticides in a fortified orange juice sample by GC/MS.

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Education

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Selected key technologies of the analytical science industry are discussed by Steve Down with reference to burgeoning application areas and the scope for future improvements.

We are proud to announce a new series of educational webinars run in collaboration with Chromedia, COAST, and SciMind, a product of the American Chemical Society. These webinars will build into a must-have set of tutorial materials for the analytical scientist.

This glossary of chemometrics terms is provided with the permission of Bryan Prazen of the Synovec Group, Department of Chemistry, University of Washington.

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Journals

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High quality, peer-reviewed original research, reviews and short communications in the fundamental and applied aspects of chemometrics ensure that this international journal is the journal of choice for chemists, statisticians and mathematicians working with chemical data.

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