The last furlong (4). Multi-variable regression

Tony (A.M.C.) Davies looks at Multiple Linear Regression (MLR) this issue, as well as expressing his opinions about Principal Components Regression (PCR) and Partial Least-Squares (PLS).

Read more: The last furlong (4). Multi-variable regression

 

Pittcon/Analytica Report

With Pittcon and Analytica so close together this year, we have combined our reports to bring the very latest new spectroscopy product introductions from both sides of the Atlantic. Any evident trends were broadly similar to last year, with continued development in the miniaturisation of instrumentation, whether the end result is palm-sized or “luggable”. The areas of imaging and Raman spectroscopy (and sometimes both combined) produced a comparatively large number of introductions. As always, our apologies to any companies that we may have missed; we are always happy to try and include your new products in the section of that name.

Read more: Pittcon/Analytica Report

 

Dating fossil teeth by electron paramagnetic resonance: how is that possible?

EPRMathieu Duval raises the question “Dating fossil teeth by electron paramagnetic resonance: how is that possible?”. Whilst we are all familiar with 14C dating, the use of EPR is less well known. In fact, there are less than 10 laboratories in the world able to carry out EPR dating of fossil teeth!

Read more: Dating fossil teeth by electron paramagnetic resonance: how is that possible?

   

From lake ecology to biofuels—applications of Fourier transform infrared spectroscopy to algal research

cover “From lake ecology to biofuels—applications of Fourier transform infrared spectroscopy to algal research” is the topic of Andrew Dean, Jon Pittman and David  Sigee. Algae are essential for our continued live on Earth, and FT-IR spectroscopy can increase our understanding of their physiology and biotech potential.

Read more: From lake ecology to biofuels—applications of Fourier transform infrared spectroscopy to algal research

 

Review of nanoscale infrared spectroscopy applications to energy related materials

Nano-26_1-fig1smallCurtis Marcott, Tadashi Awatani, Jiping Ye, David Gerrard, Michael Lo and Kevin Kjoller give us a “Review of nanoscale infrared spectroscopy applications to energy related materials”. Fuel cells, photovoltaics and specialised polymers for fracking are all considered.

Read more: Review of nanoscale infrared spectroscopy applications to energy related materials

   

Terahertz spectroscopy

TD-26_1-fig1smallTony Davies explains “Terahertz Spectroscopy” and describes some new and interesting applications

Read more: Terahertz spectroscopy

 

What is a “Primary Standard”?

In the Quality Matters Column, Peter Jenks wants to clarify “What is a ‘Primary Standard’?”.

Read more: What is a “Primary Standard”?

   

Near infrared hyperspectral imaging for foreign body detection and identification in food processing

NIR_25-6_F3-sWith continuing food scares around the world, food producers need every tool they can get to prevent contamination of their products at every stage of production. Hyperspectral reflectance imaging in the NIR combined with chemometrics shows much promise for the detection and identification of foreign bodies among food grains.

Read more: Near infrared hyperspectral imaging for foreign body detection and identification in food processing

 

Novel concepts in infrared spectral imaging as a cancer diagnostic tool

IR_25-6_F3-sThis article describes an application of spectral imaging for the differentiation of tumour and normal cells. The authors also introduce the concept of a spectral barcode, which has had success with some tissues and has potential in others.

Read more: Novel concepts in infrared spectral imaging as a cancer diagnostic tool

   

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