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NIR CdSeTe

Date: Oct 1, 2009

Author: David Bradley

A near-infrared-emitting alloy of cadmium, selenium, and tellurium, has been used to make a novel type of quantum dot that is of high-quality, water-soluble, and biocompatible. The quantum dots might have application in the analysis and study of biological systems.

Read More thumbnail image: NIR CdSeTe

Infrared reflection spectrometry analysis as a non-destructive method of characterizing minerals and stone materials in geoarchaeological and archaeometric applications

Date: Sep 7, 2009

Author:

The benefits and applications of using mid and far IR reflection spectrometry (IRS) in the analysis of archaeological materials are illustrated and a new IRS database for more than 250 different archaeological minerals and stone materials is presented.

Read More thumbnail image: Infrared reflection spectrometry analysis as a non-destructive method of characterizing minerals and stone materials in geoarchaeological and archaeometric applications

NIR improvements near

Date: Sep 1, 2009

Author: David Bradley

Spectroscopy, forensic science and even a future generation of quantum communication devices could benefit from research at the National Institute of Standards and Technology (NIST) where a new, highly sensitive, and low-cost approach has been developed for measuring light in the near-infrared range.

Read More thumbnail image: NIR improvements near

Complex biopolymeric systems at stalk/epicuticular wax plant interfaces: A near IR spectroscopy study of sugarcane

Date: Aug 3, 2009

Author:

Naturally occurring macromolecules present at the epicuticular wax/stalk tissue interface of sugarcane were investigated using near IR spectroscopy alone to study water, cellulose, and wax-cellulose interrelationships, where in the past many different techniques have been required.

Read More thumbnail image: Complex biopolymeric systems at stalkepicuticular wax plant interfaces A near IR spectroscopy study of sugarcane

Reflecting on Martian heat

Date: Aug 1, 2009

Author: David Bradley

A research team in Spain has used infrared spectroscopy to reveal that taking the temperature of the Red Planet is not quite as straightforward as astronomers would like to think. They have demonstrated that the mineralogical chemistry of the planet's surface can influence the precise temperature readings obtained for Martian soil.

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Variable-temperature FTIR studies on thermal stability of hydrogen bonding in nylon 6/mesoporous silica nanocomposite

Date: Jul 3, 2009

Author:

Hydrogen bonding in a nylon 6/mesoporous silica nanocomposite was investigated using variable-temperature FTIR spectroscopy. Comparison with the results for nylon 6 showed that mesoporous silica increases considerably the thermal stability of hydrogen bonding.

Read More thumbnail image: Variable-temperature FTIR studies on thermal stability of hydrogen bonding in nylon 6mesoporous silica nanocomposite

The aerosol end-of-the-pier show

Date: Jul 1, 2009

Author: David Bradley

Understanding future climate change hinges on the analysis of all contributing factors, not least atmospheric aerosols. Now, infrared spectroscopy and mass spectrometry have revealed important clues as to the role of aerosols in affecting climate patterns.

Read More thumbnail image: The aerosol end-of-the-pier show

X-shooter takes celestial snapshots

Date: Jun 1, 2009

Author: David Bradley

The European Southern Observatory's Very Large Telescope now has an X-shooter, a second-generation spectroscopic instrument that can record the entire spectrum of a celestial object in a single shot - from the ultraviolet to the near-infrared - with high sensitivity.

Read More thumbnail image: X-shooter takes celestial snapshots

Rapid prediction of composition and flavor quality of Cheddar cheese using ATR-FTIR spectroscopy

Date: Jun 1, 2009

Author:

A rapid and simple instrumental method based on FTIR spectroscopy was developed for simultaneous analysis of Cheddar cheese composition and flavor quality and tested on twelve different Cheddar cheese samples.

Read More thumbnail image: Rapid prediction of composition and flavor quality of Cheddar cheese using ATR-FTIR spectroscopy

In vivo simultaneous measurement of urea and water in the human stratum corneum by diffuse-reflectance near-IR spectroscopy

Date: May 4, 2009

Author:

Urea and water contents in the human stratum corneum were measured coincidentally in vivo after the treatment of urea-containing cream by a Fourier transform near-infrared spectrometer with a fiber-optic probe.

Read More thumbnail image: In vivo simultaneous measurement of urea and water in the human stratum corneum by diffuse-reflectance near-IR spectroscopy
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