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Germanium-tin nanoparticles: Correlated with Raman spectroscopy

Date: Dec 1, 2017

Author: David Bradley

Raman and photoluminescence spectroscopies have been used to quantify lattice strain and photoluminescence behaviour in tin nanoparticles. The investigation reveals a correlation between the amount of tin in the nanoparticle core and how well the core's lattice matched that of its cadmium sulfide outer shell.

Read More thumbnail image: Germanium-tin nanoparticles Correlated with Raman spectroscopy

Journal Highlight: In vivo Raman spectroscopy–assisted early identification of potential second primary/recurrences in oral cancers: An exploratory study

Date: Nov 27, 2017

Author: spectroscopyNOW

Higher rates of local recurrences ascribable to field cancerization that occur with oral cancers have been explored by Raman spectroscopy, which can identify oral precancers, cancers, and field cancerization in humans and micro-sized mechanical irritation-induced tumors in animals.

Read More thumbnail image: Journal Highlight In vivo Raman spectroscopyassisted early identification of potential second primaryrecurrences in oral cancers An exploratory study

Heart stopping science: Raman sensor

Date: Nov 1, 2017

Author: David Bradley

A new device that uses resonance Raman spectroscopy can determine whether the body's tissues are adequately oxygenated and if placed on the heart, predict cardiac arrest in critically ill patients.

Read More thumbnail image: Heart stopping science Raman sensor

Journal Highlight: Through barrier detection of ethanol using handheld Raman spectroscopy — Conventional Raman versus spatially offset Raman spectroscopy (SORS)

Date: Oct 30, 2017

Author: spectroscopyNOW

The potential of conventional Raman spectroscopy and SORS for through-barrier detection using handheld spectrometers has been demonstrated for ethanol solutions through plastic at thicknesses of up to 21 mm.

Read More thumbnail image: Journal Highlight Through barrier detection of ethanol using handheld Raman spectroscopy  Conventional Raman versus spatially offset Raman spectroscopy SORS

Virtual Issue - 2017 Nobel Prize in Chemistry Winners

Date: Oct 9, 2017

Author:

The 2017 Nobel Prize in Chemistry has been awarded to Professor Jacques Dubochet, Dr Joachim Frank and Dr Richard Henderson for the development of cryo-electron microscopy for imaging of biomolecules in solution. To celebrate the Award, we present here articles by Professor Dubochet and Dr Frank published in the Journal of Microscopy.

Read More thumbnail image: Virtual Issue - 2017 Nobel Prize in Chemistry Winners

Journal Highlight: Raman microspectroscopic mapping: A tool for identification of fused materials in fire debris

Date: Oct 2, 2017

Author: spectroscopyNOW

Raman microspectroscopy mapping has been demonstrated for material identification postfire in complex situations, such as the production of fused masses during fire dropdown, analysing a 10 μm × 10 μm square of the masses.

Read More thumbnail image: Journal Highlight Raman microspectroscopic mapping A tool for identification of fused materials in fire debris

Curious about Mars: Rover Raman

Date: Oct 1, 2017

Author: David Bradley

NASA's Curiosity rover has roamed the surface of Mars for the last five years with its ChemCam laser system capturing chemical data from its surroundings. Details of a Raman instrument that will be aboard the ChemCam on the NASA Mars 2020 rover, will be reported at the OSA Laser Congress, 1-5 October 2017 in Nagoya, Japan.

Read More thumbnail image: Curious about Mars Rover Raman

Journal Highlight: Applying portable Raman spectrometers for field discrimination of sulfates: Training for successful extraterrestrial detection

Date: Sep 4, 2017

Author: spectroscopyNOW

Portable miniature Raman spectrometers operating in the near-infrared (785 nm) and in the green (532 nm, currently selected for the ExoMars mission) were used on-site to estimate the mineralogical compositions of sulfate weathering crusts at Valachov (Bohemian Massif, Czech Republic).

Read More thumbnail image: Journal Highlight Applying portable Raman spectrometers for field discrimination of sulfates Training for successful extraterrestrial detection

Journal Highlight: Raman study of graphene nanoribbon analogs confined in single-walled carbon nanotubes and their high-pressure transformations

Date: Aug 10, 2017

Author: spectroscopyNOW

High-pressure transformation of single wall carbon nanotubes filled with perylene molecules that form short-chain nanoribbon analogs inside the tubes has been studied by Raman spectroscopy combined with theoretical simulation.

Read More thumbnail image: Journal Highlight Raman study of graphene nanoribbon analogs confined in single-walled carbon nanotubes and their high-pressure transformations

Electrical white light: Raman confirmation

Date: Aug 1, 2017

Author: David Bradley

A new material that emits white light when exposed to electricity has been synthesized by researchers in Japan who used Raman and X-ray techniques to confirm of their structure.

Read More thumbnail image: Electrical white light Raman confirmation
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