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Journal of Raman Spectroscopy: Special Issue on Art and Archaeology

Date: Dec 3, 2012

Author: spectroscopyNOW

Don't miss these key papers from the International Congress on the Application of Raman Spectroscopy in art and archaeology. RAA 2011 focused on the analysis by means of Raman spectroscopy of materials related to cultural heritage and archaeology - pigments, dyes, inks, paper, polymers, glass, ceramics, resins, fibers, corrosion products, including topics related to natural heritage - gemstones, minerals, fossils, and some aspects involving forensic science. The Editorial and several papers are free to...

Read More thumbnail image: Journal of Raman Spectroscopy Special Issue on Art and Archaeology

Journal Highlight: The first in situ micro-Raman spectroscopic analysis of prehistoric cave art of Rouffignac St-Cernin, France

Date: Dec 3, 2012

Author: spectroscopyNOW

The first in situ micro-Raman spectroscopic study of prehistoric drawings found in the cave of Rouffignac-Saint-Cernin (Dordogne, France) was carried out using non-destructive analyses to identify carbon-based drawings.

Read More thumbnail image: Journal Highlight The first in situ micro-Raman spectroscopic analysis of prehistoric cave art of Rouffignac St-Cernin France

Man's best friend: Redundant

Date: Dec 1, 2012

Author:

A chip the size of a fingernail uses surface-enhanced Raman spectroscopy (SERS) to sniff out explosives and avoids the problem of bad dog days in airports and other security-sensitive environments. The system has the potential to be developed into a compact device resembling a smoke alarm to alert the authorities to a potentially explosive problem.

Read More thumbnail image: Mans best friend Redundant

Journal Highlight: Rapid detection of gasoline by a portable Raman spectrometer and chemometrics

Date: Nov 5, 2012

Author: spectroscopyNOW

Raman spectroscopy and principal components analysis were used to authenticate gasoline adulterated with methyl tert-butyl ether and benzene.

Read More thumbnail image: Journal Highlight Rapid detection of gasoline by a portable Raman spectrometer and chemometrics

Think pink: Nitrite-free cure

Date: Nov 1, 2012

Author: David Bradley

Non-pathogenic microbes found in samples of Chinese dried pork could be used to form nitrosylmyoglobin in preserved meats without the addition of the nitrite preservatives commonly used in bacon products and other meats that have come under fire because of concerns about carcinogenicity. Raman spectroscopy and other techniques were used to demonstrate the formation of the nitrosylmyoglobin and provides critical data on potential safety and viability.

Read More thumbnail image: Think pink Nitrite-free cure

Corrosion coating: Chromate replacement

Date: Nov 1, 2012

Author: David Bradley

Fourier transform infrared and Raman microspectroscopy, as well as other techniques have been used to test a putative, non-carcinogenic metal coating material based on molybdate to replace chromate for corrosion protection of aluminium in the automobile, aerospace and engineering industries.

Read More thumbnail image: Corrosion coating Chromate replacement

Journal Highlight: Mechanism of cellular uptake of graphene oxide studied by surface-enhanced Raman Spectroscopy

Date: Oct 1, 2012

Author: spectroscopyNOW

Surface-enhanced Raman scattering spectroscopy is employed to investigate the cellular internalization of graphene oxide loaded with Au nanoparticles by Ca Ski cells.

Read More thumbnail image: Journal Highlight Mechanism of cellular uptake of graphene oxide studied by surface-enhanced Raman Spectroscopy

Dynamic approach: Improving Raman

Date: Oct 1, 2012

Author: David Bradley

A team has demonstrated two significant benefits of a new approach called dynamic surface enhanced Raman spectroscopy (DSERS), which shows how normal Raman and instrumentation interference can be reduced in SERS.

Read More thumbnail image: Dynamic approach Improving Raman

Journal Highlight: Study of the porous structure of white chocolate by confocal Raman microscopy

Date: Sep 3, 2012

Author: spectroscopyNOW

The appearance of protrusions and pores, and the distribution of fat, sucrose and milk powder in white chocolate pralines were investigated using confocal Raman microscopy.

Read More thumbnail image: Journal Highlight Study of the porous structure of white chocolate by confocal Raman microscopy

Sensitive flower: Explosive glow

Date: Sep 1, 2012

Author: David Bradley

Researchers in India have developed a shapely approach to nanoparticle enhancement that allows them to detect TNT at sub-zeptomole concentrations of TNT.

Read More thumbnail image: Sensitive flower Explosive glow
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