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Social scent networking: Hyena analytics

Date: Nov 15, 2013

Author: David Bradley

US researchers have used statistical methods to unravel the detailed scent posts left by hyenas and demonstrated that at least in part, the markers are a product of more than one species.

Read More thumbnail image: Social scent networking Hyena analytics

Inevitable Nobel: In theory

Date: Oct 15, 2013

Author: David Bradley

The 2013 Nobel Prize for chemistry was awarded jointly to Martin Karplus of the University of Strasbourg, France and Harvard University, Cambridge, Massachusetts, Michael Levitt of Stanford University School of Medicine, Stanford and Arieh Warshel of the University of Southern California, Los Angeles, California, USA for the development of multiscale models for complex chemical systems.

Read More thumbnail image: Inevitable Nobel In theory

Journal Highlight: Near-IR spectroscopy and partial least squares-class modeling for metabolomics fingerprinting discrimination of intervention breakfasts ingested by obese individuals

Date: Oct 14, 2013

Author: spectroscopyNOW

Near-IR spectroscopy has been used in nutritional metabolomics to assess the intake of intervention breakfasts prepared with deep-fried vegetable oils and the resulting urinary patterns were analysed by partial least squares-class modelling.

Read More thumbnail image: Journal Highlight Near-IR spectroscopy and partial least squares-class modeling for metabolomics fingerprinting discrimination of intervention breakfasts ingested by obese individuals

Journal Highlight: Quantitative analysis of tea using ytterbium-based internal standard near-infrared spectroscopy coupled with boosting least-squares support vector regression

Date: Sep 16, 2013

Author: spectroscopyNOW

Ytterbium-based internal standard NIR spectroscopy coupled with multivariate calibration was used for the for quantitative analysis of tea, including total free amino acids and total polyphenols.

Read More thumbnail image: Journal Highlight Quantitative analysis of tea using ytterbium-based internal standard near-infrared spectroscopy coupled with boosting least-squares support vector regression

Extracting the urine: Metabolic profile

Date: Sep 15, 2013

Author: David Bradley

A sophisticated research project at the University of Alberta, Canada, brings together nuclear magnetic resonance spectroscopic data, mass spectrometry and liquid chromatography to identify the 3000 or so chemical metabolites that can be present in a sample human urine. The work is the culmination of more than seven years effort and involved a team comprising almost twenty individual scientists. The researchers anticipate that their detailed chemical profile of urine will have considerable implications for...

Read More thumbnail image: Extracting the urine Metabolic profile

Journal Highlight: Phytochemical fingerprints of copaiba oils (Copaifera multijuga Hayne) determined by multivariate analysis

Date: Aug 19, 2013

Author: spectroscopyNOW

Oil samples of Copaifera multijuga Hayne species were characterized by GC-FID and GC/MS and the chromatographic data were processed using hierarchical cluster analysis and principal component analysis to recognize patterns for the chemical composition.

Read More thumbnail image: Journal Highlight Phytochemical fingerprints of copaiba oils Copaifera multijuga Hayne determined by multivariate analysis

Greenhouse scrubbers: Predicting adsorptive materials

Date: Aug 15, 2013

Author: David Bradley

Computational simulation and nuclear magnetic resonance (NMR) spectroscopy have been combined by chemists in the USA to help them predict accurately the adsorptive properties of highly porous synthetic materials known as crystalline multivariate-metal organic framework (MTV-MOF).

Read More thumbnail image: Greenhouse scrubbers Predicting adsorptive materials

Vendor Column: Do I need SDMS and LIMS together?

Date: Aug 13, 2013

Author: Chris Stumpf

In this fourth article in the current series, Waters Corporation's Chris Stumpf looks at the differences between Scientific Data Management Systems and Laboratory Information Management Systems and how they can complement each other.

Read More thumbnail image: Vendor Column Do I need SDMS and LIMS together

Journal Highlight: On the use of biplot analysis for multivariate bibliometric and scientific indicators

Date: Jul 15, 2013

Author: spectroscopyNOW

A visualization methodology known as biplot analysis for representing bibliometric and science and technology indicators is presented and the possibilities of applying it in the research policy area are analysed.

Read More thumbnail image: Journal Highlight On the use of biplot analysis for multivariate bibliometric and scientific indicators

Fluid findings: Smoke gets in your lungs

Date: Jul 15, 2013

Author: David Bradley

A multivariate analysis of data on the chemical composition of exhaled particles in the breath of smokers and non-smokers reflects another factor in how smoking can be detrimental to lung function by revealing the shift in composition of respiratory tract lining fluid.

Read More thumbnail image: Fluid findings Smoke gets in your lungs
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