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No more prick tests? Diabetes development

Date: Sep 1, 2014

Author:

Researchers in the USA have developed a way to use mid-infrared quantum cascade laser spectroscopy to measure blood glucose through one's skin. If they can successfully miniaturise the system it could be a boon for people with diabetes who otherwise have to regularly prick their skin to obtain a blood sample for testing.

Read More thumbnail image: No more prick tests Diabetes development

Journal Highlight: Fast and nondestructive determination of protein content in rapeseeds (Brassica napus L.) using FTIR-PAS

Date: Sep 1, 2014

Author: spectroscopyNOW

Fourier transform mid-infrared photoacoustic spectroscopy was used to quantify protein content of rapeseed with interval selection data processing models providing accurate results.

Read More thumbnail image: Journal Highlight Fast and nondestructive determination of protein content in rapeseeds Brassica napus L_ using FTIR-PAS

Journal Highlight: Comparison of mid-infrared transmission spectroscopy with biochemical methods for the determination of macronutrients in human milk

Date: Aug 4, 2014

Author: spectroscopyNOW

A rapid method for the analysis of macronutrients in human milk using an infrared human milk analyser was compared with the analytical methods used in the by cow's milk industry.

Read More thumbnail image: Journal Highlight Comparison of mid-infrared transmission spectroscopy with biochemical methods for the determination of macronutrients in human milk

Planetary water? No says astronomical data

Date: Aug 1, 2014

Author: David Bradley

Infrared spectroscopy has revealed that three planets orbiting Sun-like stars at distances of 60 to 900 light years from Earth are a lot drier than astronomers hoped. HD 189733b, HD 209458b and WASP-12b were thought to be ideal candidates for detecting extraterrestrial water vapour, but the data has come up dry.

Read More thumbnail image: Planetary water No says astronomical data

Breaking Good: Detecting meth

Date: Jul 1, 2014

Author: David Bradley

Illicit methamphetamine abuse is now widespread as is the abuse of related, so-called designer drugs. Research from Italy published in the journal Angewandte Chemie shows that it is possible to detect these chemicals readily in water.

Read More thumbnail image: Breaking Good Detecting meth

Journal Highlight: Discrimination of single-porin Escherichia (E.) coli mutants by ATR and transmission mode FTIR spectroscopy

Date: Jun 30, 2014

Author: spectroscopyNOW

Both transmission FTIR and ATR-FTIR spectroscopy have been used to analyse E. coli strains that differ solely in their porin expression profiles.

Read More thumbnail image: Journal Highlight Discrimination of single-porin Escherichia E_ coli mutants by ATR and transmission mode FTIR spectroscopy

Journal Highlight: Measurement of the concentration of nutrients in grapevine petioles by attenuated total reflectance FTIR spectroscopy and chemometrics

Date: Jun 2, 2014

Author: spectroscopyNOW

The effectiveness of attenuated total reflectance Fourier transform infrared spectroscopy as a rapid and low-cost method for measuring the concentration of nutrients in grapevine petioles has been examined.

Read More thumbnail image: Journal Highlight Measurement of the concentration of nutrients in grapevine petioles by attenuated total reflectance FTIR spectroscopy and chemometrics

Laser-guided fruit flies: Thermal control

Date: Jun 1, 2014

Author: David Bradley

The movements and behaviour of fruit flies, genetically engineered to carry a heat-sensitive ion channel, can be controlled with a precisely aimed infrared laser. The fruit fly, Drosophila melanogaster, is widely used as a model organism for biological and biomedical research and so such puppetry should allow the species to be studied more easily than ever before.

Read More thumbnail image: Laser-guided fruit flies Thermal control

Journal Highlight: Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectral discrimination of brain tumour severity from serum samples

Date: May 5, 2014

Author: spectroscopyNOW

ATR-FTIR spectral data have been combined with a RBF-SVM statistical analysis for the diagnosis and differentiation of high-grade and low-grade brain tumours and non-cancerous tissue.

Read More thumbnail image: Journal Highlight Attenuated Total Reflection Fourier Transform Infrared ATR-FTIR spectral discrimination of brain tumour severity from serum samples

So NIR: And yet so far

Date: May 1, 2014

Author: David Bradley

German researchers have used near infrared spectroscopy (NIRS) to monitor blood flow in the brains of six climbers scaling Mount Kilimanjaro in Tanzania, with a view to understanding and hopefully preventing headaches caused by altitude sickness.

Read More thumbnail image: So NIR And yet so far
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