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Journal Highlight: Demonstration of a signal enhanced fast Raman sensor for multi-species gas analyses at a low pressure range for anesthesia monitoring

Date: Sep 6, 2015

Author: spectroscopyNOW

A fully functional gas-phase Raman system with a multipass cavity has been designed for measurements in the low-pressure regime, especially for anesthesia monitoring.

Read More thumbnail image: Journal Highlight Demonstration of a signal enhanced fast Raman sensor for multi-species gas analyses at a low pressure range for anesthesia monitoring

Urinary tract infections: Lab-on-a-disc detection

Date: Sep 1, 2015

Author: David Bradley

A lab-on-a-disc platform that combines microfluidics technology and Raman microscopy could be used for the earlier detection of urinary tract infection, according to a new study.

Read More thumbnail image: Urinary tract infections Lab-on-a-disc detection

Journal Highlight: Real-time in vivo cancer diagnosis using Raman spectroscopy

Date: Aug 3, 2015

Author: spectroscopyNOW

An overview is presented on the latest development of real-time in vivo Raman systems for cancer detection, covering instrumentation, data handling, oncology applications and the diagnosis of different kinds of cancer.

Read More thumbnail image: Journal Highlight Real-time in vivo cancer diagnosis using Raman spectroscopy

Stimulated Raman scattering: Glucose tracking

Date: Aug 1, 2015

Author: David Bradley

Stimulated Raman scattering (SRS) imaging can be used to follow glucose uptake activity in living cells by using a derivative of the sugar molecule tagged with an alkynyl group. The technique has been demonstrated on live mouse brain hippocampal neurones and tumour tissues.

Read More thumbnail image: Stimulated Raman scattering Glucose tracking

Journal Highlight: Rapid detection of melamine in milk using immunological separation and surface enhanced Raman spectroscopy

Date: Jul 3, 2015

Author: spectroscopyNOW

Immunological separation and surface-enhanced Raman spectroscopy have been integrated to provide a high-throughput procedure for detecting melamine in milk.

Read More thumbnail image: Journal Highlight Rapid detection of melamine in milk using immunological separation and surface enhanced Raman spectroscopy

Raman skeleton key: Universal SERS substrate

Date: Jul 1, 2015

Author: David Bradley

Commonly used substrates for surface-enhanced Raman spectroscopy (SERS) function only at specific excitation wavelengths; which means different substrates for different tasks. consumes more biological/chemical materials, substrates, and measurement time. An ultrabroadband super-absorbing metasurface has been developed by researchers in China and the US. The system works as a universal SERS substrate for low cost and high performance sensing with much lower consumption of SERS substrates as well as cutting...

Read More thumbnail image: Raman skeleton key Universal SERS substrate

Journal Highlight: Dielectrophoretic positioning of single nanoparticles on atomic force microscope tips for tip-enhanced Raman spectroscopy

Date: Jun 8, 2015

Author: spectroscopyNOW

The successful positioning of an individual plasmonic nanoparticle on a commercial atomic force microscope tip by dielectrophoresis for tip-enhanced Raman spectroscopy has been demonstrated.

Read More thumbnail image: Journal Highlight Dielectrophoretic positioning of single nanoparticles on atomic force microscope tips for tip-enhanced Raman spectroscopy

Under pressure: Raman hints on superconductivity

Date: Jun 1, 2015

Author: David Bradley

A combination of Raman spectroscopy, X-ray studies and a theoretical examination have found a plausible explanation for the structural changes that must occur for iron arsenide compounds to become superconducting.

Read More thumbnail image: Under pressure Raman hints on superconductivity

Journal Highlight: Pilot study: Raman spectroscopy in differentiating premalignant and malignant oral lesions from normal mucosa and benign lesions in humans

Date: May 4, 2015

Author: spectroscopyNOW

Tissue-based molecular signatures measured by Raman spectroscopy have been be used to differentiate premalignant and malignant lesions from normal mucosa or benign lesions.

Read More thumbnail image: Journal Highlight Pilot study Raman spectroscopy in differentiating premalignant and malignant oral lesions from normal mucosa and benign lesions in humans

Zig and Zag: Graphene style

Date: May 1, 2015

Author: David Bradley

Raman spectroscopy has been used in a study of the carbon material graphene to show how one can increase the amount of electric charge that could be stored.

Read More thumbnail image: Zig and Zag Graphene style
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