Infrared Spectroscopy / Ezine
All about crystal Eve
Date: May 1, 2010
Author: David Bradley
Scientists have reported the discovery of what may be the "ancestral Eve" crystal that billions of years ago gave life on Earth its curious and exclusive preference for so-called left-handed amino acids. Fourier transform IR spectroscopy and powder X-ray diffraction provide the evidence.
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Marvellous time for monitoring moonshine
Date: Apr 1, 2010
Author: David Bradley
A portable IR device that can quickly and easily determine the strength of alcoholic drinks proves more effective than laboratory-based FTIR spectroscopy. The device could be useful in law enforcement and in industry fraud.
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Structure characterization of films from drying oils cured under infrared light
Date: Apr 1, 2010
Author:
Infrared radiation was used to increase the curing rate of linseed and tung oils and FTIR spectroscopy was used to monitor the chemical changes during oil oxidation.
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NIR focus on energy molecule
Date: Mar 1, 2010
Author: David Bradley
Organisms use ATP as a universal energy storage molecule, now carbon nanotubes, modified with luciferase, have been used as near-infrared detectors for cellular ATP. The work has potential for studies of ischaemia, Parkinson's disease, hypoglycaemia and more.
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Determination of simple sugars, malic acid and total phenolic compounds in apple pomace by IR spectroscopy and PLSR
Date: Mar 1, 2010
Author:
A fast, versatile, inexpensive and environmentally safe analytical method was developed to quantify simple sugars, malic acid and total phenolic compounds in apple pomace, considering its potential use as a raw material with value instead of as an industrial waste.
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Cosmic coronene's phantom spectral bands
Date: Feb 1, 2010
Author: David Bradley
Anomalies in the spectra of the aromatic planar molecule coronene can be explained with powerful calculations on infrared and Raman spectroscopic data. The evidence suggests that minute out-of-plane molecular distortions from D(6h) to C(2h) symmetry are the underlying cause.
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A noninvasive near IR system for detection of platelet components contaminated with bacteria
Date: Feb 1, 2010
Author:
This study describes near infrared spectroscopy to examine platelets inoculated with low concentrations of Bacillus cereus and Staphylococcus epidermidis, comparing with sterile bags.
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A highly sensitive near-IR fluorescent detection method to analyze signalling pathways by reverse-phase protein array
Date: Jan 4, 2010
Author:
An improved detection method was described for reverse-phase protein arrays combining near-infrared fluorescence with one or two rounds of tyramide-based signal amplification.
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The violin case
Date: Jan 1, 2010
Author: David Bradley
It won't necessarily be music to the classical purist's ear, but chemists have been instrumental in revealing the secret beneath the varnish on a Stradivari violins, and the secret is: there is no secret.
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Prediction of 13C and 15N in plant tissues with near-infrared reflectance spectroscopy
Date: Dec 2, 2009
Author:
The appropriateness of near-infrared reflectance spectroscopy for the estimation of stable isotope ratios for nitrogen and carbon of plant tissues has been demonstrated on seven bog species from Patagonia.
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