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Journal Highlight: Glass nanopillar arrays with nanogap-rich silver nanoislands for highly intense SERS

Date: Jun 4, 2012

Author: spectroscopyNOW

The enhancement of surface enhanced Raman scattering (SERS) with nanogap-rich silver nanoislands surrounding glass nanopillars at wafer level is reported.

Read More thumbnail image: Journal Highlight Glass nanopillar arrays with nanogap-rich silver nanoislands for highly intense SERS

Old blood: Iceman bleeds for Raman

Date: Jun 1, 2012

Author: David Bradley

A team of scientists in Europe has used nanotechnology and Raman spectroscopy to locate red blood cells in the wounds of the "iceman" Ötzi. The work not only represents the discovery of the oldest traces of human blood anywhere in the world but puts paid to the theory that he survived for several days after being injured by an arrow.

Read More thumbnail image: Old blood Iceman bleeds for Raman

Journal Highlight: High-density hotspots engineered by naturally piled-up subwavelength structures in 3D copper butterfly wing scales for SERS detection

Date: May 15, 2012

Author:

The 3D sub-micrometer Cu structures replicated from butterfly wing scales, which provide excellent hierarchical structures for SERS, were successfully tuned by modifying the Cu deposition time, paving the way for selecting the optimal candidates to act as biotemplates.

Read More thumbnail image: Journal Highlight High-density hotspots engineered by naturally piled-up subwavelength structures in 3D copper butterfly wing scales for SERS detection

SERS access to tumour cells: Nanoparticle highlights

Date: May 1, 2012

Author: David Bradley

A team in China has demonstrated how putative drug compounds bind to human serum albumin (HSA) when bound to silver nanoparticles using surface enhanced Raman scattering (SERS) spectroscopy. The studies help explain how HSA has such great facility to bind and transport a range of compounds.

Read More thumbnail image: SERS access to tumour cells Nanoparticle highlights

Journal Highlight: Structure of silk by Raman spectromicroscopy: From the spinning glands to the fibers

Date: Apr 2, 2012

Author:

This review describes recent advances in the study of the structure of silk by Raman spectromicroscopy, with particular emphasis on the spider dragline and silkworm cocoon threads, other fibers spun by orb-weaving spiders, the spinning dope contained in their silk glands and the effect of mechanical deformation.

Read More thumbnail image: Journal Highlight Structure of silk by Raman spectromicroscopy From the spinning glands to the fibers

Graphene: It runs right through a river?

Date: Apr 1, 2012

Author: David Bradley

A research team in Japan has synthesized the "wonder material" graphene by reducing graphene oxide using microorganisms extracted from a local river. Analysis by Raman spectroscopy verifies the chemistry of the graphene flakes.

Read More thumbnail image: Graphene It runs right through a river

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.

Read More thumbnail image: Journal Highlight Laser induced temperature effects in multi-walled carbon nanotubes probed by Raman spectroscopy

Journal Highlight: Forensic examination of multilayer white paint by lateral scanning Raman spectroscopy

Date: Feb 6, 2012

Author:

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.

Read More thumbnail image: Journal Highlight Forensic examination of multilayer white paint by lateral scanning Raman spectroscopy

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.

Read More thumbnail image: Material transparency Water cannot see graphene

Journal Highlight: Membrane composition of jetted lipid vesicles: a Raman spectroscopy study

Date: Jan 9, 2012

Author:

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.

Read More thumbnail image: Journal Highlight Membrane composition of jetted lipid vesicles a Raman spectroscopy study
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