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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

Vendor Column: Uses for Scientific Search

Date: Jun 26, 2013

Author: Chris Stumpf

In this third article in the latest series, Waters Corporation's Chris Stumpf looks at several analytical chemistry-based roles where Scientific Search could have a measureable impact at science focused organizations.

Read More thumbnail image: Vendor Column Uses for Scientific Search

Journal Highlight: Core consistency diagnostic in PARAFAC2

Date: Jun 17, 2013

Author: spectroscopyNOW

The possibility of applying the core consistency diagnostic which is currently applied in PARAFAC1 to determine model complexity in PARAFAC2 has been investigated theoretically.

Read More thumbnail image: Journal Highlight Core consistency diagnostic in PARAFAC2

Quasi on the inside: Rare earth crystals

Date: Jun 15, 2013

Author: David Bradley

Scientists at the Ames Laboratory in the USA have used an algorithm to fish for new rare-earth quasicrystals and have pulled out a new family of binary magnetic icosahedral quasicrystals containing several different rare earth elements and cadmium. The findings demonstrate that such materials have spin glass behaviour rather than magnetic behaviour.

Read More thumbnail image: Quasi on the inside Rare earth crystals

Acoustic archaeology: A sound approach

Date: May 15, 2013

Author: David Bradley

Researchers in the UK have carried out the most detailed analysis ever of the archaeological remains of the lost medieval town of Dunwich on England's Suffolk coast. The study analysed data obtained via acoustic spectroscopy to see the ruins through the murky depths of the North Sea.

Read More thumbnail image: Acoustic archaeology A sound approach

Journal Highlight: An evaluation of standardized software for processing GC/MS data from different vendors' instruments in a forensic laboratory

Date: May 13, 2013

Author: spectroscopyNOW

The data processing performance of a third-party processing software product has been compared with the software from three instrument vendors in casework analysis in a forensic environment.

Read More thumbnail image: Journal Highlight An evaluation of standardized software for processing GCMS data from different vendors instruments in a forensic laboratory
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