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Gout diagnosis: Raman sheds light

Date: Dec 1, 2014

Author: David Bradley

Raman spectroscopy could be used at point of care to reduce the need for inpatient admission in people with gout or pseudogout, according to results presented to the American College of Rheumatology Annual Meeting in Boston in November.

Read More thumbnail image: Gout diagnosis Raman sheds light

Journal Highlight: Direct analysis of traditional Chinese medicines using surface-enhanced Raman scattering (SERS)

Date: Nov 5, 2014

Author: spectroscopyNOW

SERS was used to analyse the traditional Chinese medicines Coptis chinensis and Phellodendron amurense, and their main active constituent berberine using silver nanospheres as SERS-active probes.

Read More thumbnail image: Journal Highlight Direct analysis of traditional Chinese medicines using surface-enhanced Raman scattering SERS

Hydrogen confinement: Phase IV

Date: Nov 1, 2014

Author: David Bradley

Combining hydrogen and its heavier sibling deuterium under pressure can create a novel, disordered, "Phase IV" material as revealed by Raman spectroscopy according to US researchers.

Read More thumbnail image: Hydrogen confinement Phase IV

Journal Highlight: Rapid and label-free identification of normal spermatozoa based on image analysis and micro-Raman spectroscopy

Date: Oct 6, 2014

Author: spectroscopyNOW

Micro-Raman spectroscopy combined with image analysis can be a potentially useful tool for rapid and label-free identification of normal sperm cell by providing both morphological and biochemical information.

Read More thumbnail image: Journal Highlight Rapid and label-free identification of normal spermatozoa based on image analysis and micro-Raman spectroscopy

Diamond: Hanging by a nanothread

Date: Oct 1, 2014

Author: David Bradley

For the first time, scientists have made ultra-thin 'diamond nanothreads' with a unique structure that could be stiffer and stronger than known polymers and nanotubes. The team used a range of techniques including Raman spectroscopy, X-ray and neutron diffraction, nuclear magnetic resonance spectroscopy, transmission electron microscopy and first-principle calculations to analyse and characterise the materials

Read More thumbnail image: Diamond Hanging by a nanothread

Journal Highlight: Pen-on-paper approach toward the design of universal surface enhanced Raman scattering substrates

Date: Sep 15, 2014

Author: spectroscopyNOW

A pen-on-paper approach for making SERS substrates should bring the technique closer to the real world using ink cartridges fixed to a pen to create plasmonic sensors at will.

Read More thumbnail image: Journal Highlight Pen-on-paper approach toward the design of universal surface enhanced Raman scattering substrates

Time for resolution: Single molecule

Date: Sep 1, 2014

Author: David Bradley

For the first time, chemists have succeeded in measuring the vibrational movements of a single molecule with time resolution on the femtosecond scale using time-resolved coherent anti-Stokes Raman scattering.

Read More thumbnail image: Time for resolution Single molecule

Journal Highlight: Raman spectroscopy as an analytical tool for melanoma research

Date: Aug 4, 2014

Author: spectroscopyNOW

Raman spectroscopy was used to study normal and melanoma cells, and wild-type and mutant melanoma cells, to investigate whether the technique could distinguish between different types of cells, identify mutations and evaluate response to anticancer therapy.

Read More thumbnail image: Journal Highlight Raman spectroscopy as an analytical tool for melanoma research

Desiccated E coli: Hibernation in salt

Date: Aug 1, 2014

Author: David Bradley

A serendipitous discovery by the team working on the Raman instrument for the ExoMars rover mission reveals an interaction between microorganisms and salt in which Escherichia coli cells added to a droplet of salt water left to dry out manipulate the process of sodium chloride crystallization to create structures within which they can "hibernate". When the desiccated is rehydrated the bacteria are revived.

Read More thumbnail image: Desiccated E coli Hibernation in salt

Smart phone waveguides: Laser-etched displays

Date: Jul 1, 2014

Author: David Bradley

The first laser-written light-guiding systems have been developed by researchers from Montreal and the New York-based company Corning Incorporated with the aim of etching waveguides into the glass screen of a smartphone. The development could allow layers of sensors, for health monitoring, environmental testing and other applications to be incorporated transparently into the screen without adding to the phone's form factor.

Read More thumbnail image: Smart phone waveguides Laser-etched displays
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