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The examination of the Book of Kells using micro-Raman spectroscopy

Date: Sep 7, 2009

Author:

Four volumes of the Book of Kells were analysed by micro-Raman spectroscopy using 2 separate laser wavelengths (632.8 and 532 nm). In total, 681 sites were examined, making this the most extensive Raman spectroscopic investigation of a single medieval manuscript.

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Raman joins the dots

Date: Sep 1, 2009

Author: David Bradley

Nanoparticles can boost Raman signals sufficiently to allow the simultaneous detection of several biomarkers even deep within tissues of a living animal. The discovery could help in disease diagnostics, biomedical research, and potentially cancer treatment.

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Application of Raman spectroscopy and SERS to the analysis of synthetic dyes found in ballpoint pen inks

Date: Aug 3, 2009

Author:

The applicability of Raman spectroscopy and surface-enhanced Raman scattering to the analysis of synthetic dyes commonly found in ballpoint inks was investigated in a comparative study using ten dyes.

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Life's ancient cooker

Date: Aug 1, 2009

Author: David Bradley

Raman spectroscopy has shown that organic material may have been 'cooked' in rocky mounds known as stromatolites that have been dated to 3.45 billion years ago.

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Selectively deposited silver coatings on gold-capped silicon nanowires for SERS

Date: Jul 3, 2009

Author:

Gold caps on silicon nanowires have been selectively coated with silver by autometallography (electroless deposition) and the different morphologies achieved by changing the conditions of silver deposition were studied by SERS experiments.

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Systematic nano Raman

Date: Jul 1, 2009

Author: David Bradley

Scientists in Israel and the US have demonstrated systematic differences in the Raman spectra of individual molecules adsorbed on small as opposed to large nanoparticles. The discovery has the potential to open up a new approach to single molecule studies.

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Nano cancer killers

Date: Jun 1, 2009

Author: David Bradley

Carbon nanotubes can allow Raman spectroscopy to be used as a technique for real-time detecting, tracking, and, with laser assistance, even killing cancer cells, according to researchers in the US.

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Biochemical correlation of Raman spectra of normal, benign and malignant breast tissues: A spectral deconvolution study

Date: Jun 1, 2009

Author:

Spectral features and biochemical changes in normal, fibroadenoma and infiltrating ductal carcinoma of breast tissues measured using Raman spectra have been correlated using spectroscopic models developed earlier.

Read More thumbnail image: Biochemical correlation of Raman spectra of normal benign and malignant breast tissues A spectral deconvolution study

Spectral measurements of large particles by flow cytometry

Date: May 4, 2009

Author:

A commercial large particle analyzer has been adapted to measure fluorescence and Raman spectra of individual particles at high speeds, enabling new applications in biological and chemical analyses.

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ELISA meet SERRS

Date: May 1, 2009

Author: David Bradley

Surface-enhanced resonance Raman scattering could be used to quickly spot the telltale signs of prostate cancer at the molecular level, according to a British team. This is the first use of a well-known ELISA colorimetric substrate as a SERRS marker.

Read More thumbnail image: ELISA meet SERRS
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