Infrared Spectroscopy / Ezine
A raspberry flavoured galactic centre with a hint of rum
Date: May 1, 2009
Author: David Bradley
An international team of astronomers has detected two of the most complex molecules yet discovered in interstellar dust: n-propyl cyanide and ethyl formate. The latter gives raspberries their distinct flavour and has a faint rum-like scent.
Read More
Infrared monitoring of interlayer water in stacks of purple membranes
Date: Apr 6, 2009
Author:
The thermodynamic behavior of films of hydrated purple membranes from Halobacterium salinarum and the water confined in it was studied by Fourier transform infrared spectroscopy in the 180-280 K range
Read More
Going cellular
Date: Apr 1, 2009
Author: David Bradley
An artificial cell made from molybdenum-based building blocks whose pores can open and close has been devised by an international team. The pores can allow molecules that are "too big" into the capsule.
Read More
Capabilities of near-IR spectroscopy to analyse changes in water bonding during honey crystallisation process
Date: Mar 2, 2009
Author:
The changes occurring in honey during crystallisation were measured by near-infrared spectroscopy by subtracting the spectrum of the crystallised sample from that of the liquid sample.
Read More
Probing the brain wirelessly
Date: Mar 1, 2009
Author: David Bradley
IR-absorbing lead selenide particles form the basis of a method for the study of neuronal activation in samples of brain tissues without the need for hard-wired electrodes. The technique instead utilises light-triggered nanostructured semiconductor photoelectrodes to probe activity.
Read More
Microimaging FTIR of head and neck tumors. IV
Date: Feb 2, 2009
Author:
In continuing studies on head and neck neoplasia, specimens from salivary gland tumors have been explored by using infrared microimaging spectroscopy to discern healthy from neoplastic tissues.
Read More
Taking the lead
Date: Feb 1, 2009
Author: David Bradley
Fourier transform infrared spectroscopy was used to characterise magnetic nanoparticles that might one day be used to treat lead poisoning, but could have more immediate applications in diagnostics, biomedical research and environmental science.
Read More
Measurement of tissue oxygen saturation levels using portable near-IR spectroscopy in clinically healthy dogs
Date: Jan 5, 2009
Author:
A reference interval has been established for tissue oxygen saturation levels (StO2) in dogs measured using a portable near-infrared spectroscope and sites for reproducibly measuring StO2) levels in dogs were determined.
Read More
By Jove, it's hot and steamy!
Date: Jan 1, 2009
Author: David Bradley
The planet HD 189733b, one of several "hot Jupiters", suffers from a high concentration of atmospheric carbon dioxide as revealed by near-infrared spectroscopy. The discovery represents a small, but significant, step to finding life's building materials on planets beyond the solar system.
Read More
Plastics under stress go with the flow
Date: Dec 1, 2008
Author: David Bradley
US researchers have turned to near-infrared spectroscopy to help them solve one of the most puzzling properties of polymer glasses, plastics - how they can be both rigid solids and yet flow when under stress as if they were liquids. The phenomenon, it seems, at least with regard to polymethylmethacrylate is underpinned by molecular motions under stress.
Read More
