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Journal Highlight: Identifying the crystalline orientation of black phosphorus using angle-resolved polarized Raman spectroscopy

Date: Mar 2, 2015

Author: spectroscopyNOW

Angle-resolved polarized Raman spectroscopy was used to identify the crystal orientation of black phosphorus sheets, that is, the zigzag and armchair directions.

Read More thumbnail image: Journal Highlight Identifying the crystalline orientation of black phosphorus using angle-resolved polarized Raman spectroscopy

Raman spectroscopy: Shedding light on brain surgery

Date: Mar 1, 2015

Author: David Bradley

A new, hand-held Raman spectroscopic probe technique developed by scientists at Montreal Neurological Institute and Hospital, and Polytechnique Montréal, Canada, could allow surgeons to home in on almost all brain cancer cells.

Read More thumbnail image: Raman spectroscopy Shedding light on brain surgery

Journal Highlight: Automatic standardization method for Raman spectrometers with applications to pharmaceuticals

Date: Feb 1, 2015

Author: spectroscopyNOW

An method based on automatic peak detection, Lorentzian fitting and polynomial fitting has been developed for aligning Raman spectra, which can significantly reduce or eliminate systematic differences between spectrometers.

Read More thumbnail image: Journal Highlight Automatic standardization method for Raman spectrometers with applications to pharmaceuticals

Contractual obligation: Raman spectroscopy reveals collagen secret

Date: Feb 1, 2015

Author:

Raman spectroscopy has been used to investigate the conformation of molecular chains of collagen and how this purportedly inactive protein can under contraction.

Read More thumbnail image: Contractual obligation Raman spectroscopy reveals collagen secret

Getting heavy with microbes: Raman tweezes them apart

Date: Jan 8, 2015

Author: David Bradley

The incorporation of heavy water into the biomolecules of bacteria has given an international research team the means to tease apart and identify the activities of different members of microbial communities using Raman microscopy.

Read More thumbnail image: Getting heavy with microbes Raman tweezes them apart

Journal Highlight: Theoretical vibrational Raman and surface-enhanced Raman scattering spectra of water interacting with silver clusters

Date: Jan 2, 2015

Author: spectroscopyNOW

The Raman spectrum of a water molecule adsorbed on a cluster of 20 silver atoms has been measured and the plasmonic electromagnetic effect of the silver surface was also considered to give a theoretical prediction of the SERS spectrum.

Read More thumbnail image: Journal Highlight Theoretical vibrational Raman and surface-enhanced Raman scattering spectra of water interacting with silver clusters

Journal Highlight: Versatile Raman fiber laser for sodium laser guide star

Date: Dec 1, 2014

Author: spectroscopyNOW

A high-power 589-nm laser based on a Raman fiber amplifier is reported, working in both continuous-wave and pulsed formats and suitable for sodium laser guide star adaptive optics in astronomy.

Read More thumbnail image: Journal Highlight Versatile Raman fiber laser for sodium laser guide star

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
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