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Journal Highlight: Estimation of spectra sample size for characterizing single cells using micro-Raman spectroscopy

Date: May 2, 2016

Author: spectroscopyNOW

A study of the effects of sample size on the ability to generate single-cell Raman spectra that accurately describe the total molecular content of the cell demonstrates the importance of adequate spectral sampling.

Read More thumbnail image: Journal Highlight Estimation of spectra sample size for characterizing single cells using micro-Raman spectroscopy

Phosphorene: Two-dimensional Raman

Date: May 1, 2016

Author: David Bradley

Raman spectroscopy and transmission electron microscopy have been used by an international team to investigate the phosphorus analogue of graphene, the two-dimensional phosphane, known as phosphorene.

Read More thumbnail image: Phosphorene Two-dimensional Raman

Journal Highlight: Internal structural changes in keratin fibres resulting from combined hair waving and stress relaxation treatments: a Raman spectroscopic investigation

Date: Apr 4, 2016

Author: spectroscopyNOW

The influences of chemical treatments (reduction, stress relaxation and oxidation) on hair keratin fibres of virgin white human hair were directly analysed at a molecular level using Raman spectroscopy.

Read More thumbnail image: Journal Highlight Internal structural changes in keratin fibres resulting from combined hair waving and stress relaxation treatments a Raman spectroscopic investigation

Heterostructures: Raman revelations on van der Waals

Date: Apr 1, 2016

Author: David Bradley

Raman spectroscopy can be used to obtain the chemical fingerprint of a van der Waals material, according to researchers at the IBS Center for Correlated Electron Systems (CCES), Seoul, Korea.

Read More thumbnail image: Heterostructures Raman revelations on van der Waals

Journal Highlight: Raman and SEM-EDX analyses of the "Royal Portal" of Bordeaux Cathedral for the virtual restitution of the statuary polychromy

Date: Mar 8, 2016

Author: spectroscopyNOW

Chemical analysis of the remains of paint from the Royal Portal of Bordeaux Cathedral has been carried out to provide a virtual estimate of the colouring when it was built in the XIII century.

Read More thumbnail image: Journal Highlight Raman and SEM-EDX analyses of the Royal Portal of Bordeaux Cathedral for the virtual restitution of the statuary polychromy

Mummy art: Micro-Raman finds artist

Date: Mar 1, 2016

Author: David Bradley

Scientists in the USA have used micro-Raman spectroscopy and other techniques to take a close look at threelifelike portraits of mummy faces from 2000 years ago that suggest they are by the same artist.

Read More thumbnail image: Mummy art Micro-Raman finds artist

Journal of Raman Spectroscopy: International Year of Light 2015

Date: Feb 25, 2016

Author: spectroscopyNOW

2015 was declared as the International Year of Light by the UN General Assembly, and celebrated research on light science and its applications; and so it seemed fitting to have a special Journal of Raman Spectroscopy issue that is dedicated to the advances in Raman spectroscopy and its various facets. The Editorial and several papers are free to view here to spectroscopyNOW readers.

Read More thumbnail image: Journal of Raman Spectroscopy International Year of Light 2015

Journal Highlight: Identification of aqueous pollen extracts using surface enhanced Raman scattering (SERS) and pattern recognition methods

Date: Feb 1, 2016

Author: spectroscopyNOW

SERS on substrates of gold nanoparticles in aqueous suspension has been used for the reliable characterization and identification of pollen type in aqueous extracts, which will improve allergy warning programs.

Read More thumbnail image: Journal Highlight Identification of aqueous pollen extracts using surface enhanced Raman scattering SERS and pattern recognition methods

Raman art: Pigment revelations

Date: Feb 1, 2016

Author: David Bradley

Florentine artist Giotto is well known for his innovative naturalism, his emotive faces and artistic skills in depicting space. Samples analysed with micro-Raman spectroscopy, scanning electron microscopy with energy dispersive X-ray analysis (SEM-EDX), polarized light microscopy, and electron backscatter diffraction, have now revealed much about the blend of pigments he used in his art.

Read More thumbnail image: Raman art Pigment revelations

Journal Highlight: Non-invasive imaging of cellulose microfibril orientation within plant cell walls by polarized Raman microspectroscopy

Date: Jan 10, 2016

Author: spectroscopyNOW

The distribution of microfibril orientation in cellulose plant cell walls in terms of director angle and anisotropy magnitude has been measured by polarized Raman microspectroscopy.

Read More thumbnail image: Journal Highlight Non-invasive imaging of cellulose microfibril orientation within plant cell walls by polarized Raman microspectroscopy
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