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Sexithiophene encapsulated in a single-walled carbon nanotube: An in situ Raman spectroelectrochemical study of a peapod structure

Date: Nov 1, 2010

Author:

The interaction of single-walled carbon nanotubes (SWCNTs) and alpha-sexithiophene (6T) was studied by Raman spectroscopy and by in situ Raman spectroelectrochemistry..

Read More thumbnail image: Sexithiophene encapsulated in a single-walled carbon nanotube An in situ Raman spectroelectrochemical study of a peapod structure

In situ detection of cocaine hydrochloride in clothing impregnated with the drug using benchtop and portable Raman spectroscopy

Date: Oct 4, 2010

Author:

One benchtop dispersive Raman spectrometer coupled to a fibre-optic probe and two portable Raman spectrometers were used for the in situ detection of cocaine hydrochloride in clothing impregnated with the drug, acquiring high-quality spectra within seconds.

Read More thumbnail image: In situ detection of cocaine hydrochloride in clothing impregnated with the drug using benchtop and portable Raman spectroscopy

Ionic liquids in the gas phase - Raman spectroscopy reveals molecular secret

Date: Oct 1, 2010

Author: David Bradley

At first glance ionic liquids would not seem that unusual, heat sodium chloride to a high enough temperature and it will melt. But, ionic materials that are liquid at room temperature are much stranger. Now, a gas-phase Raman study has been used to understand their nature and reveals that in the gas phase each ion of the pair exists as a distinct molecule.

Read More thumbnail image: Ionic liquids in the gas phase - Raman spectroscopy reveals molecular secret

On-site analysis of Chinese Cloisonné enamels from fifteenth to nineteenth centuries

Date: Sep 6, 2010

Author:

A selection of 22 rare Chinese cloisonné enamels, from fifteenth to nineteenth century A.D., has been studied by Raman spectroscopy to reveal the compositions of the glazes.

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Needle-free diabetes testing

Date: Sep 1, 2010

Author: David Bradley

A new device based on Raman spectroscopy has been developed by scientists at MIT to help patients with diabetes monitor their blood glucose levels without needing to prick their fingers to take a blood sample.

Read More thumbnail image: Needle-free diabetes testing

Raman microspectroscopy reveals long-term extracellular activity of Chlamydiae

Date: Aug 2, 2010

Author:

Confocal Raman microspectroscopy was applied to differentiate between reticulate bodies and elementary bodies of Protochlamydia amoebophila and to demonstrate in situ the labelling of this amoeba symbiont after addition of isotope-labelled phenylalanine.

Read More thumbnail image: Raman microspectroscopy reveals long-term extracellular activity of Chlamydiae

Smooth SERS support

Date: Aug 1, 2010

Author: David Bradley

The judicious use of SERS-active nanoparticles directly or indirectly can surmount the inherent obstacle in the way of the more widespread adoption of surface-enhanced Raman scattering (SERS) studies. Proof of principle in the current work involves activating an organic monolayer by attaching silver nanoparticles.

Read More thumbnail image: Smooth SERS support

Quick screening of crystal methamphetamine/methyl sulfone exhibits by Raman spectroscopy

Date: Jul 5, 2010

Author:

The rapid identification of mixtures of crystal meth by Raman spectroscopy without the need for a separation technique is discussed as an alternative to GC/MS.

Read More thumbnail image: Quick screening of crystal methamphetaminemethyl sulfone exhibits by Raman spectroscopy

Gold wrinkles boost SERS

Date: Jul 1, 2010

Author: David Bradley

Polydimethylsiloxane can be used to produce wrinkles on a glass surface to pattern lines of gold which are twice as effective as conventional SERS substrates, according to German and Spanish researchers.

Read More thumbnail image: Gold wrinkles boost SERS

Tentative differentiation between Iznik tiles and copies with Raman spectroscopy using both laboratory and portable instruments

Date: Jun 7, 2010

Author:

Iznik tiles dated from the 16th century, copies of tiles and pottery of Theodore Deck from the 19th century, and also tiles without any information on their origin were analyzed with both laboratory and portable Raman instruments.

Read More thumbnail image: Tentative differentiation between Iznik tiles and copies with Raman spectroscopy using both laboratory and portable instruments
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