Raman Spectroscopy / Ezine
Raman spectroscopic study of the Mapungubwe oblates excavated in South Africa
Date: Jan 7, 2008
Author:
Oblate seed beads excavated on Mapungubwe hill, an Iron Age site in South Africa, were analysed with Raman microscopy and supportive techniques to determine the glass technology and pigments used to produce the beads.
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Raman snuffs out Martian life
Date: Jan 1, 2008
Author: David Bradley
Analysis of a meteorite from the planet Mars may have laid to rest the possibility of finding life on the Red Planet. A comprehensive imaging study including confocal micro Raman spectroscopy has helped US researchers uncover the origin of organic molecules found in the meteorite and show that these carbon-containing compounds were produced by non-living processes.
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Early cancer detection with Raman
Date: Dec 1, 2007
Author: David Bradley
Raman spectroscopy could become a new tool in the early detection of wayward cervical cells exposed to human papillomavirus (HPV) that may ultimately turn cancerous. The new approach to detecting neoplasia could avoid false positives and negatives and ultimately reduce cervical cancer rates, and save lives.
Read MoreMolecular characterization of reconstructed skin model by Raman microspectroscopy: Comparison with excised human skin
Date: Dec 1, 2007
Author:
Raman microspectroscopy is a rising and powerful nondestructive technique for studying skin that detects characteristic molecular vibrations. In this study, a spectral database was created to index the vibration peaks and bands of a well-known reconstructed epidermis model, the Episkin®, for comparison with native skin.
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Rosy discolouration by another name
Date: Nov 1, 2007
Author: David Bradley
Italian researchers have used Raman spectroscopy and genetic fingerprinting to determine whether the red pigments produced by the bacterium Rubrobacter radiotolerans, so-called bacterioruberin carotenoids, are the same pigments responsible for colour changes in ancient frescoes in ancient paintings from the Crypt of the Original Sin, in Matera, Italy.
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Raman spectroscopy of protein pharmaceuticals
Date: Nov 1, 2007
Author:
Various Raman techniques used for protein pharmaceutical studies are reviewed. Novel Raman markers of proteins discovered from fundamental studies of protein complexes are examined along with established Raman spectra and structure correlations.
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Aging effects on black human hair by Raman spectroscopy
Date: Oct 1, 2007
Author:
Internal structure changes caused by aging in virgin black human hair keratin fibres of Japanese women were investigated at various depths by Raman spectroscopy.
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Virgin Japanese hair
Date: Oct 1, 2007
Author: David Bradley
Scientists in Japan have developed a Raman spectroscopy technique that allows them to investigate the internal structure of even very dark hair for the first time. The work could have implications for understanding how hair changes as we grow older and may even have medical diagnostics applications.
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Reference database of Raman spectra of biological molecules
Date: Sep 3, 2007
Author:
A collection of Raman spectra of biomolecules is presented that can serve as references for the interpretation of Raman spectra of biological materials. It includes the most important components present in a cell.
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Diamonds out of Hades
Date: Sep 1, 2007
Author: David Bradley
Raman spectroscopy could turn the history of the early Earth upside down and hint that conditions were suitable for life as little as 250 million years after its formation, pushing back the so-called Hadean era several hundred million years.
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