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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

Going with the grain: Raman takes a look

Date: Jan 7, 2016

Author: David Bradley

Raman microspectroscopy can reveal the orientation distributions of individual grain domains within a crystalline material as well as scanning electron microscopy.

Read More thumbnail image: Going with the grain Raman takes a look

Journal Highlight: Toward a Raman/FORS discrimination between Art Nouveau and contemporary stained glasses from CdSxSe1−x nanoparticles signatures

Date: Dec 9, 2015

Author: spectroscopyNOW

Raman and fiber optics reflectance spectroscopy has been used to study the nanostructures of six samples of historical glass produced between the late 1920s and modern day.

Read More thumbnail image: Journal Highlight Toward a RamanFORS discrimination between Art Nouveau and contemporary stained glasses from CdSxSe1x nanoparticles signatures

Cavity optomechanics: SERS boost

Date: Dec 1, 2015

Author: David Bradley

The tools and concepts of cavity optomechanics can be exploited at the molecular scale to overcome the sensitivity limitations of SERS, surface enhanced Raman scattering, according to work undertaken at École Polytechnique Fédérale de Lausanne (EPFL).

Read More thumbnail image: Cavity optomechanics SERS boost

Journal Highlight: Avoiding misidentification of bands in planetary Raman spectra

Date: Nov 15, 2015

Author: spectroscopyNOW

Raman spectra were measured from a number of minerals that are Mars analogues to identify components that might cause spectral ambiguity, highlighting where such confusion may occur and identifying the most useful bands for differentiation.

Read More thumbnail image: Journal Highlight Avoiding misidentification of bands in planetary Raman spectra
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