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Cocaine detection: Concentrating on SERS

Date: Nov 1, 2016

Author: David Bradley

A cocaine detector based on surface enhanced Raman spectroscopy (SERS) could be much more efficient and effective alternative to existing technology, according to researchers from Valencia and the Basque Country. Their approach works at very low concentrations of cocaine.

Read More thumbnail image: Cocaine detection Concentrating on SERS

Journal Highlight: Decorated plasterwork in the Alhambra investigated by Raman spectroscopy: comparative field and laboratory study

Date: Oct 12, 2016

Author: spectroscopyNOW

This work presents the results of the study of plasterwork decorations located on the stalactite vaults of the Hall of the Kings in the Alhambra (Granada, Spain) by means of Raman micro-spectroscopy.

Read More thumbnail image: Journal Highlight Decorated plasterwork in the Alhambra investigated by Raman spectroscopy comparative field and laboratory study

Journal Highlight: Inverse SORS for detecting a low Raman-active turbid sample placed inside a highly Raman-active diffusely scattering matrix – A feasibility study

Date: Oct 3, 2016

Author: spectroscopyNOW

A feasibility study has used inverse SORS to detect a very low Raman-active turbid sample inside a highly Raman-active diffusely scattering matrix, exemplifed by embedding chicken muscle tissue into solid paraffin blocks.

Read More thumbnail image: Journal Highlight Inverse SORS for detecting a low Raman-active turbid sample placed inside a highly Raman-active diffusely scattering matrix  A feasibility study

Diabetic contacts: An eye on Raman glucose sensors

Date: Oct 1, 2016

Author: David Bradley

People with diabetes must monitor their blood glucose concentration so that they can take appropriate medication in a timely manner. This usually involves the use of a pin-prick test, which many people find painful and inconvenient. Now, contact lenses that use Raman spectroscopy to measure glucose in tears could offer a wearable and non-invasive testing alternative.

Read More thumbnail image: Diabetic contacts An eye on Raman glucose sensors

Journal Highlight: Raman and surface-enhanced Raman spectroscopy on horns and their correlation with biomechanical properties

Date: Sep 5, 2016

Author: spectroscopyNOW

Raman spectral analysis and mechanical tests were carried out on the horns of buffalo, cattle and sheep to study the molecular compositions and their correlation with biomechanical properties as potential biomaterial scaffolds.

Read More thumbnail image: Journal Highlight Raman and surface-enhanced Raman spectroscopy on horns and their correlation with biomechanical properties

De-ice, ice baby: Under pressure

Date: Sep 1, 2016

Author: David Bradley

Raman spectroscopy and X-ray diffraction measurements have worked together with first-principles calculations to examine the high-pressure structural behaviour of magnesium chloride, a well known de-icing compound, at a million atmospheres.

Read More thumbnail image: De-ice ice baby Under pressure

Journal Highlight: A study of the observed shift in the peak position of olivine Raman spectra as a result of shock induced by hypervelocity impacts

Date: Aug 15, 2016

Author: spectroscopyNOW

The effect of impact speed (and hence peak shock pressure) on the shift in Raman spectra for San Carlos olivine impacting Al foil has been measured in the context of cometary grains captured by the Stardust mission.

Read More thumbnail image: Journal Highlight A study of the observed shift in the peak position of olivine Raman spectra as a result of shock induced by hypervelocity impacts

Combined forces: Raman and UV

Date: Aug 1, 2016

Author: David Bradley

A first in a spectroelectrochemistry device sees both the UV-Vis and Raman responses being observed at the same time. The demonstration opens up high-quality data from a single experiment and expands the versatility of such devices.

Read More thumbnail image: Combined forces Raman and UV

Journal Highlight: Portable and Raman imaging usefulness to detect decaying on mortars from Punta Begoña Galleries

Date: Jul 15, 2016

Author: spectroscopyNOW

An innovative sensor conjugating molecularly imprinted polymers and surface enhanced Raman spectroscopic-active substrate (MIPs-SERS) for the simultaneous extraction and determination of melamine from tap water and milk gave low LOD and LOQ.

Read More thumbnail image: Journal Highlight Portable and Raman imaging usefulness to detect decaying on mortars from Punta Begona Galleries

DIY micro-Raman: Flexible and cheap

Date: Jul 6, 2016

Author: David Bradley

Researchers have demonstrated how to build an inexpensive and flexible micro-Raman system at a fraction of the cost and with greater capability than was previously possible.

Read More thumbnail image: DIY micro-Raman Flexible and cheap
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