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Journal Highlight: Real‐time Raman analysis of cleaning solution: Determination of Al/Alq3 residue in cleaning mixture

Date: Feb 7, 2019

Author: spectroscopyNOW

A real‐time method employing Raman spectroscopy has been used for the quantitative analysis of organic and inorganic residues in a cleaning solution comprising a mixture of anionic and nonionic surfactant agents, potassium hydroxide and stabilizing agents.

Read More thumbnail image: Journal Highlight Realtime Raman analysis of cleaning solution Determination of AlAlq3 residue in cleaning mixture

Raman vs photoluminescence: Weighing up nano light effect

Date: Feb 1, 2019

Author: David Bradley

Shed light on a metal nanoparticle and you get photons back but usually of a different wavelength to the incident radiation. The case for this being photoluminescence rather than the Raman effect has now been put by chemists Stephan Link and Yi-Yu Cai of Rice University.

Read More thumbnail image: Raman vs photoluminescence Weighing up nano light effect

Curved surface sensing: SERS for neurotransmitters

Date: Jan 8, 2019

Author: David Bradley

The long-known problem of templating a highly curved surface for the deposition of dense and well-dispersed nanoparticles has been solved by a research collaboration based in Canada and Germany, putatively paving the way for surface-enhanced Raman scattering optophysiology for sensing neurotransmitters.

Read More thumbnail image: Curved surface sensing SERS for neurotransmitters

Journal Highlight: Superficial‐Layer‐Enhanced Raman Scattering (SLERS) for depth detection of noncontact molecules

Date: Jan 8, 2019

Author: spectroscopyNOW

A new Raman enhancement system, superficial‐layer‐enhanced Raman scattering (SLERS), has been prepared for depth detection of noncontact molecules by covering elongated tetrahexahedral gold nanoparticle arrays with a superficial perovskite film.

Read More thumbnail image: Journal Highlight SuperficialLayerEnhanced Raman Scattering SLERS for depth detection of noncontact molecules

Journal Highlight: A database of Raman spectra of precious gemstones and minerals used as cut gems obtained using portable sequentially shifted excitation Raman spectrometer

Date: Nov 26, 2018

Author: spectroscopyNOW

Raman spectra of 42 minerals such as chrysoberyl, diamond, emerald, garnet, ruby and topaz that are used as gemstones in gemmology or works of art have been recorded using a portable sequentially shifted excitation Raman spectrometer.

Read More thumbnail image: Journal Highlight A database of Raman spectra of precious gemstones and minerals used as cut gems obtained using portable sequentially shifted excitation Raman spectrometer

Coloured eggshells: Raman traces dinosaur egg pigmentation

Date: Nov 1, 2018

Author: David Bradley

Raman spectroscopy has been used to demonstrated that adding pigment to eggs evolved only once and in the dinosaurs and the process is the same as used by the many thousands of bird species we see around the world today.

Read More thumbnail image: Coloured eggshells Raman traces dinosaur egg pigmentation

Journal Highlight: PIP2‐induced tau filaments probed by tip‐enhanced Raman spectroscopy

Date: Oct 29, 2018

Author: spectroscopyNOW

Tip‐enhanced Raman spectroscopy has been used for the first nanoscale structural characterization of Tau protein fragment/phospholipid aggregates, which may be implicated in deleterious mechanisms on neural membranes in Alzheimer's disease.

Read More thumbnail image: Journal Highlight PIP2induced tau filaments probed by tipenhanced Raman spectroscopy

Journal Highlight: Discrimination between infant and adult bloodstains using micro‐Raman spectroscopy: A preliminary study

Date: Oct 1, 2018

Author: spectroscopyNOW

Micro‐Raman spectroscopy with high‐resolution analysis has been used to discriminate between bloodstains from infants and adults based on signals from haemoglobin.

Read More thumbnail image: Journal Highlight Discrimination between infant and adult bloodstains using microRaman spectroscopy A preliminary study

Carbon dioxide to fuel: SERS reveals all

Date: Oct 1, 2018

Author: David Bradley

Surface-enhanced Raman spectroscopy reveals how carbon dioxide is activated chemically at the electrode-electrolyte interface offering a solution to a 150-year old puzzle and potentially leading the way to a rational approach to converting the greenhouse gas into renewable energy storage materials.

Read More thumbnail image: Carbon dioxide to fuel SERS reveals all

Journal Highlight: Three‐dimensional Raman tomographic microspectroscopy: A novel imaging technique

Date: Sep 3, 2018

Author: spectroscopyNOW

Nondestructive 3D Raman tomographic imaging experiments have been conducted on terrestrial and extraterrestrial samples to provide spatial distributions of chemical constituents from the interior of the samples with high spatial and depth resolution.

Read More thumbnail image: Journal Highlight Threedimensional Raman tomographic microspectroscopy A novel imaging technique
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