Chemometrics & Informatics / Ezine

Skip to Navigation

Ezine RSS Feed

rss

Filter Ezines

Browse By Ezines

Filter by Supplier

Browse By Supplier

Journal Highlight: Multivariate analysis of extremely large ToFSIMS imaging datasets by a rapid PCA method

Date: Oct 12, 2015

Author: spectroscopyNOW

The new random vectors method of singular value decomposition has been applied to ToFSIMS data, increasing the speed of calculation by a factor of several hundred to make PCA of these datasets practical on desktop PCs for the first time.

Read More thumbnail image: Journal Highlight Multivariate analysis of extremely large ToFSIMS imaging datasets by a rapid PCA method

Modelling catalysis: Badly mixed reactions

Date: Oct 8, 2015

Author: David Bradley

Molecular modelling and theoretical simulations could be used to optimize catalytic reactions in which the reactants are known not to be well mixed, according to research from the US Department of Energy's Ames Laboratory.

Read More thumbnail image: Modelling catalysis Badly mixed reactions

Natural shine: Humidity changes structures

Date: Sep 15, 2015

Author: David Bradley

Natural materials, such as the cellulose in plants, can self-assemble into surfaces with visually stunning optical properties, such as iridescence, that change depending on humidity.

Read More thumbnail image: Natural shine Humidity changes structures

Journal Highlight: On the use of the observation-wise k-fold operation in PCA cross-validation

Date: Sep 14, 2015

Author: spectroscopyNOW

An empirical and theoretical investigation of the use of the k-fold operation in PCA cross-validation was carried out using the element-wise k-fold (ekf) algorithm.

Read More thumbnail image: Journal Highlight On the use of the observation-wise k-fold operation in PCA cross-validation

Journal Highlight: Recent applications of spectroscopic and hyperspectral imaging techniques with chemometric analysis for rapid inspection of microbial spoilage in muscle foods

Date: Aug 17, 2015

Author: spectroscopyNOW

This review focuses on the use of spectroscopic techniques combined with chemometric analysis, such as spectral preprocessing and modeling methods, for the rapid and nondestructive detection of microbial spoilage in common muscle foods such as meat, poultry and fish.

Read More thumbnail image: Journal Highlight Recent applications of spectroscopic and hyperspectral imaging techniques with chemometric analysis for rapid inspection of microbial spoilage in muscle foods

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
Page:   Prev 7 8 9 10 11 12 13 14 15 16 17 Next

Social Links

Share This Links

Bookmark and Share

Microsites

Suppliers Selection
Societies Selection

Banner Ad

Click here to see
all job opportunities

Copyright Information

Interested in separation science? Visit our sister site separationsNOW.com

Copyright © 2018 John Wiley & Sons, Inc. All Rights Reserved