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Journal Highlight: Chemometric and trend analysis of water quality of the South Chennai lakes: an integrated environmental study

Date: Feb 16, 2015

Author: spectroscopyNOW

In order to bring out the nature of the factors influencing lake water composition, multivariate statistical analysis and trend analysis were performed on hydrochemical data of the lakes of South Chennai.

Read More thumbnail image: Journal Highlight Chemometric and trend analysis of water quality of the South Chennai lakes an integrated environmental study

Carbon calculator: Natural and unnatural methane emissions

Date: Feb 15, 2015

Author: David Bradley

Measurements of the sporadic and perpetual methane emissions from natural gas facilities and processing plants reveals a huge variation in quantities entering the atmosphere across the United States, the implications for the atmospheric carbon burden are important. Moreover, the same pattern or worse might be reflected in data from other regions across the globe.

Read More thumbnail image: Carbon calculator Natural and unnatural methane emissions

Journal Highlight: A study of long-term fMRI reproducibility using data-driven analysis methods

Date: Jan 19, 2015

Author: spectroscopyNOW

Long-term fMRI reproducibility has been investigated with a focus on the data analysis methods and the effects of a wavelet-domain Bayesian method and the Gaussian method for smoothing on the long-term reproducibility were assessed.

Read More thumbnail image: Journal Highlight A study of long-term fMRI reproducibility using data-driven analysis methods

Epigenetics: Finding the right data signals

Date: Jan 15, 2015

Author:

Epigenetic signals help determine which genes are activated at a given time in a particular cell in the body. Now, researchers in Germany have used a  novel analytical method to enable them to systematically characterize the relevant epigenetic tags and so reveal how the system adapts to the loss of single epigenetic writer and eraser enzymes.

Read More thumbnail image: Epigenetics Finding the right data signals

Journal Highlight: ToF-SIMS data analysis for complex plant tissue samples using multivariate analysis and G-SIMS

Date: Dec 15, 2014

Author: spectroscopyNOW

Sections of Wasabi petioles were evaluated with ToF-SIMS to clarify the distribution of sinigrin molecules, a combination of multivariate analysis and G-SIMS working effectively to interpret the complex data.

Read More thumbnail image: Journal Highlight ToF-SIMS data analysis for complex plant tissue samples using multivariate analysis and G-SIMS

Water, water everywhere: Comet not the source

Date: Dec 15, 2014

Author: David Bradley

An analysis of the deuterium to hydrogen ratio of water sampled by the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis shows that the water vapour from comet 67P is very different from the water we find on Earth suggesting that comets were perhaps not the water bearers for our planet that some theories have suggested.

Read More thumbnail image: Water water everywhere Comet not the source

Journal Highlight: Overview of software options for processing, analysis and interpretation of mass spectrometric proteomic data

Date: Nov 17, 2014

Author: spectroscopyNOW

This review provides a snapshot of the tools and applications that are available for mass spectrometric high-throughput biocomputation, beginning with a brief introduction of proteomics and MS and presenting computational tools that can be employed at various stages of analysis.

Read More thumbnail image: Journal Highlight Overview of software options for processing analysis and interpretation of mass spectrometric proteomic data

Corkage: Infrared clues

Date: Nov 15, 2014

Author: David Bradley

Researchers in Spain have demonstrated how infrared spectroscopy can be used to enhance the control of parameters that determine the performance of a wine cork in the bottle.

Read More thumbnail image: Corkage Infrared clues

Journal Highlight: Chemometrics application in biotech processes: assessing comparability across processes and scales

Date: Oct 20, 2014

Author: spectroscopyNOW

Chemometrics has been applied to compare two versions of a biotech process and identify process steps where significant differences exist as well as the parameters that cause these differences.

Read More thumbnail image: Journal Highlight Chemometrics application in biotech processes assessing comparability across processes and scales

To dye for: No more

Date: Oct 15, 2014

Author: David Bradley

A combination of an iteratively cubic spline fitting baseline correction method with discriminant partial least-squares qualitative analysis can be used to pluck evidence of banned additives from food samples analysed with surface-enhanced Raman spectroscopy (SERS), quickly revealing the presence of compounds such as Sudan I dye, Rhodamine B and Malachite green.

Read More thumbnail image: To dye for No more
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