Raman Spectroscopy / Ezine
Journal Highlight: Laser induced temperature effects in multi-walled carbon nanotubes probed by Raman spectroscopy
Date: Mar 5, 2012
Author:
The influence of continuous laser irradiation on as-prepared and oxidized multi-walled carbon nanotubes (MWCNTs) was studied by Raman scattering, allowing for the effects of impurities on the signals.
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Journal Highlight: Forensic examination of multilayer white paint by lateral scanning Raman spectroscopy
Date: Feb 6, 2012
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Lateral scanning Raman spectroscopy has been used to chemically map the cross-sections of multilayer white paint chips, allowing the different layers to be delineated on the basis of their spectral features.
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Material transparency: Water cannot see graphene
Date: Feb 1, 2012
Author: David Bradley
Raman spectroscopy has been used to investigate graphene, which might be considered the thinnest material known. The nanomaterial is not transparent to light, but water behaves as if it were not there.
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Journal Highlight: Membrane composition of jetted lipid vesicles: a Raman spectroscopy study
Date: Jan 9, 2012
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The chemical composition of membranes of giant unilamellar phospholipid vesicles prepared by microfluidic jetting was determined using Raman scattering spectroscopy, revealing differences from vesicles prepared by other methods.
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Cleaning CARS: Cutting down on spectral noise pollution
Date: Jan 5, 2012
Author: David Bradley
Researchers at the University of Twente's MESA+ Institute for Nanotechnology and elsewhere have used a "reverse" approach to cleaning CARS, coherent anti-Stokes Raman spectroscopy, images that helps them eliminate background noise.
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Journal Highlight: Analysis of confiscated fireworks using Raman spectroscopy assisted with SEM-EDS and FTIR
Date: Dec 5, 2011
Author:
A forensic analysis of several samples of pyrotechnic artefacts by Raman spectroscopy assisted by SEM-EDS and FTIR spectroscopy revealed many components including several nitrates, ammonium perchlorate, nitrocellulose, metallic titanium particles and shellac.
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Lab on a bubble: SERS on spheres
Date: Dec 1, 2011
Author: David Bradley
A new class of materials for surface-enhanced Raman spectroscopy (SERS) consisting of hollow, buoyant silica microspheres coated with gold nanoparticles has been developed. These new materials allow for a novel type of molecular assay designated as a lab-on-a-bubble (LoB).
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Forensic science: CSI Raman
Date: Nov 1, 2011
Author: David Bradley
Raman spectroscopy and an advanced statistical analysis have now been added to the arsenal of techniques available to law enforcement scientists allowing them to quickly and accurately identify traces of vaginal fluid at a crime scene.
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Journal Highlight: Characterization of oil-producing microalgae using Raman spectroscopy
Date: Oct 31, 2011
Author:
The current status of Raman spectroscopy applications on algae is reviewed, with particular attention to identifying and selecting oil-rich algal strains for the potential mass production of commercial biofuels and for utilization in the food industry.
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Journal Highlight: Investigation concerning the applicability of Raman spectroscopy for prospective inline monitoring of electrode processing for lithium ion batteries
Date: Oct 3, 2011
Author:
A portable and cost-effective Raman spectrometer was tested for the inline monitoring of electrode processing using tape-cast LCO foils as examples.
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