Raman Spectroscopy / Ezine
Journal Highlight: Isolated nanoparticle Raman spectroscopy
Date: Aug 6, 2012
Author: spectroscopyNOW
Coupling of confocal Raman microscopy and atomic force microscopy provides an experimental tool to perform isolated nanoparticle Raman spectroscopy on a set of nanoparticles dispersed on microparticles.
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Cold comfort: Graphite under pressure
Date: Aug 1, 2012
Author: David Bradley
High-pressure experiments have finally yielded the structure of cold-compressed graphite for the first time, according to US researchers using Raman spectroscopy, X-ray crystallography and optical techniques.
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Journal Highlight: On-site Raman and XRF analysis of Japanese/Chinese bronze/brass patina – the search for specific Raman signatures
Date: Jul 2, 2012
Author: spectroscopyNOW
A selection of 30 Japanese and/or Chinese bronzes/brasses are studied on-site in the storage and exhibition rooms of the Cernuschi Museum, in Paris, using portable Raman and X-ray fluorescence spectrometers.
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Bacterial direction: Oxygenated perspective
Date: Jul 1, 2012
Author: David Bradley
Time-resolved ultraviolet resonance Raman spectroscopy has been used to reveal the way in which bacteria change direction in response to an oxygen concentration.
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Journal Highlight: Glass nanopillar arrays with nanogap-rich silver nanoislands for highly intense SERS
Date: Jun 4, 2012
Author: spectroscopyNOW
The enhancement of surface enhanced Raman scattering (SERS) with nanogap-rich silver nanoislands surrounding glass nanopillars at wafer level is reported.
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Old blood: Iceman bleeds for Raman
Date: Jun 1, 2012
Author: David Bradley
A team of scientists in Europe has used nanotechnology and Raman spectroscopy to locate red blood cells in the wounds of the "iceman" Ötzi. The work not only represents the discovery of the oldest traces of human blood anywhere in the world but puts paid to the theory that he survived for several days after being injured by an arrow.
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Journal Highlight: High-density hotspots engineered by naturally piled-up subwavelength structures in 3D copper butterfly wing scales for SERS detection
Date: May 15, 2012
Author:
The 3D sub-micrometer Cu structures replicated from butterfly wing scales, which provide excellent hierarchical structures for SERS, were successfully tuned by modifying the Cu deposition time, paving the way for selecting the optimal candidates to act as biotemplates.
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SERS access to tumour cells: Nanoparticle highlights
Date: May 1, 2012
Author: David Bradley
A team in China has demonstrated how putative drug compounds bind to human serum albumin (HSA) when bound to silver nanoparticles using surface enhanced Raman scattering (SERS) spectroscopy. The studies help explain how HSA has such great facility to bind and transport a range of compounds.
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Journal Highlight: Structure of silk by Raman spectromicroscopy: From the spinning glands to the fibers
Date: Apr 2, 2012
Author:
This review describes recent advances in the study of the structure of silk by Raman spectromicroscopy, with particular emphasis on the spider dragline and silkworm cocoon threads, other fibers spun by orb-weaving spiders, the spinning dope contained in their silk glands and the effect of mechanical deformation.
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Graphene: It runs right through a river?
Date: Apr 1, 2012
Author: David Bradley
A research team in Japan has synthesized the "wonder material" graphene by reducing graphene oxide using microorganisms extracted from a local river. Analysis by Raman spectroscopy verifies the chemistry of the graphene flakes.
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