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Biomass analysis

Date: Sep 15, 2008

Author: David Bradley

Near infrared spectroscopy can be used to determine the amount of ash and char present in various types of biomass, according to researchers in Japan and the US. An informatics model based on multivariate analysis of the NIR data will allow those working with and using biomass to predict the levels of such burnt materials in advance of processing.

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Classification of GC-MS measurements of wines by combining data dimension reduction and variable selection techniques

Date: Aug 21, 2008

Author:

Pattern recognition methods for classification and identification are increasingly used in several fields such as food chemistry, process monitoring, medical sciences, pharmaceutical chemistry and social and economic sciences.

Read More thumbnail image: Classification of GC-MS measurements of wines by combining data dimension reduction and variable selection techniques

An electronic taste for wine

Date: Aug 15, 2008

Author: David Bradley

The wine buff's palate is a complicated multisensory organ as anyone who knows their Bordeaux from their Beaujolais knows. Now, researchers have taken a step towards an artificial nose based on a system amenable to multivariate analysis. The system integrates a multisensor to test wine samples for adulteration or vintage fraud.

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A pilot study on colonic mucosal tissues by fluorescence spectroscopy technique: Discrimination by principal component analysis and artificial neural network analysis

Date: Jul 28, 2008

Author:

Colonic cancers are one of the most common causes for death due to cancer in the developed world today. In this paper, the authors aim to show the effectiveness of laser induced fluorescence spectroscopy to discriminate between malignant and non-malignant conditions in colonic mucusal tissue.

Read More thumbnail image: A pilot study on colonic mucosal tissues by fluorescence spectroscopy technique Discrimination by principal component analysis and artificial neural network analysis

Remote arsenic assessment

Date: Jul 15, 2008

Author: David Bradley

An informatics approach to surface data could allow geologists and environmental scientists to identify regions of the world where people are at risk of exposure to arsenic in their drinking water without the need for widespread sampling to be undertaken.

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Generalization of multivariate optical computations as a method for improving the speed and precision of spectroscopic analyses

Date: Jun 18, 2008

Author:

Multivariate optical computations offer improved analytical precision and increased speed of analysis via synchronous data collection and numerical computation with scanning spectroscopic systems.

Read More thumbnail image: Generalization of multivariate optical computations as a method for improving the speed and precision of spectroscopic analyses

Alcohol blamed for oral cancer risk

Date: Jun 15, 2008

Author: David Bradley

A large-scale statistical analysis of mouth and throat cancer incidence over a long period of time has looked at possible correlations between exposure to industrial chemicals, dust and alcoholic beverages in a wide variety of individuals in different occupations across Finland. The perhaps surprising conclusion drawn is that alcohol consumption rather than industrial chemicals or dusts is the critical factor associated with this form of cancer.

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Is there a future for chemometrics? Are we still needed?

Date: May 21, 2008

Author:

As with all disciplines, chemometrics is changing and evolving as it should. But now that most of the pioneers of chemometrics have retired or passed away and all the original goals of chemometrics have been reached and surpassed this seems like a good time for us to think about the future of chemometrics.

Read More thumbnail image: Is there a future for chemometrics Are we still needed

Recycling CD drives for speedier diagnostics

Date: May 15, 2008

Author: David Bradley

Finite-element analysis has allowed researchers in Singapore to make good time with their experiments on a clockwork PCR (polymerase chain reaction) for carrying out biomedical research.

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Three-way data analysis of a wheat growing experiment using near infrared spectral data

Date: Apr 24, 2008

Author:

X-ray emission spectra from gunshot residues are evaluated in order to assign them to a certain ammunition brand. Classification is based on regularized discriminant analysis providing class information as well as additional parameters for judging the quality of an assignment.

Read More thumbnail image: Three-way data analysis of a wheat growing experiment using near infrared spectral data
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