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Metrohm has introduced the Metrohm Instant Raman Analyser (Mira) which allows the analysis of any kind of heterogeneous and temperature-sensitive materials..

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In this article, three real-life Raman quantitative and semi-quantitative analysis applications are discussed. These applications showcase the versatility of Raman spectroscopy and the potential impact that it can make in various industries.

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Ocean Optics has introduced a new substrate for Raman spectroscopy applications.

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Horiba Scientific has released a major update to its LabSpec 6 Raman spectroscopy software Horiba Scientific has released a major update to its LabSpec 6 Raman spectroscopy software. This features a new 3D surface and volume display mode, which is compatible with high-resolution confocal volume maps acquired with Horiba’s Raman microscopes. With full control of map rotation, transparency, filtering and slicing, the internal chemical structure of complex heterogeneous samples can be viewed. Topographic images form Horiba’s combined Raman-AFM and TERS systems can also be rendered by the module. Other additions include OneClick easy Raman acquisition, and PLS to the range of multivariate analysis routines.

Horiba Scientific

link.spectroscopyeurope.com/26-05-123

Tags: Raman

SpectraPhysis has introduced the InSight DS+, a widely tunable ultrafast laser system.

“Elucidating structural and compositional changes in plant tissues and single cells by Raman spectroscopic imaging” is the topic of the next article by Batirtze Prats Mateu, Barbara Stefke, Marie-Theres Hauser and Notburga Gierlinger. Understanding plant cells is important for the best use of plants in traditional and new applications. Raman spectroscopic imaging represents one of the best ways to unravel the molecular structure in the native environment of plant tissues.

Tags: Raman Imaging

“Emerging sampling approaches for Raman analysis of foods” by Nils Kristian Afseth, Matthew Bloomfield, Jens Petter Wold and Pavel Matousek describes how a number of instrumental developments are enabling Raman spectroscopy to find increasing applications in food analysis. They show how Spatially Offset Raman Spectroscopy (SORS) is being used to analyse quality parameters in salmon, including the content of fat, its fat composition and the content of carotenoids. Traditionally, the preserve of NIR spectroscopy, Raman may increasingly be used for the analysis of food and other biological matrices.

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Report on the The Seventh International Conference of Advanced Vibrational Spectroscopy (ICAVS-7) held in Kobe, Japan.

Report on the 10th Confocal Raman Imaging Symposium 2013 in Ulm, Germany.

The single cell Raman spectrum (SCRS) enables cell probing and sorting to study phenotypes and ecophysiology of single cells and explore individual cells in situ in a label-free and non-destructive manner.

Tags: Raman

In resonance Raman scattering (RRS), the amount of structural and chemical information deduced can be increased by analysing the polarisation of the inelastically scattered light, including the degree of molecular aggregation in bio-molecules in their natural environment.

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There are a number of approaches, and by combining FT-IR imaging methodology with microfluidics devices, the opportunity to study live cells by FT-IR imaging in controlled environments is now possible.

Tags: Raman Imaging

Thiabendazole (TBZ) is a chemical fungicide and parasiticide used to prevent mould, blight and other diseases resulting from long transportation and storage, largely used as an ingredient in waxes applied to the skins of citrus fruits. The authors describe their work using near infrared-surface-enhanced Raman spectroscopy and conventional Ag nanoparticles, which showed that TBZ was found both on organic fruit and at levels higher than regulations allow.

Tags: Raman

Fuels and the taxes raised from their sale are a big business around the world. To control smuggling, counterfeiting, theft and product diversion, markers can be placed in the fuel. The use of a SERS active compounds as markers is described as well as the development of a portable instrument for detection of the markers in the field.

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This article explains what is represented in a Raman spectrum of carbon nanotubes and how to optimise the measurement. There is actually significant diversity within samples of nanotubes which affects both the material properties and the Raman spectrum of the material.

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Even though lead in fuel has been banned for a number of years, it is still present in by the roadside, as are many other pollutants from vehicles. The combination of Raman spectroscopy and µ-ED-XRF is of particular value. The advantage Raman has is in the possibility of focusing on individual grains, thereby obtaining the spectrum of each grain that comes from traffic-emitted particles.

This Product Focus is on Raman Spectroscopy; a number of companies have provided information on their key products, their applications and features.

Raman spectroscopy is used to monitor the iodine value of algal-derived fish feed for its lipid content and to monitor algae samples for biofuel production.

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Whilst fireworks are a great entertainment, they can also be used for illegal activities as well as potentially containing dangerous chemicals. The combination of Raman spectroscopy and SEM-EDS turns out to be a very efficient analytical method. In fact, these complementary techniques may also be used to analyse other kinds of pyrotechnic artefacts, low explosive formulations, high explosives, explosion residues etc.

Starfruit-shaped gold nanorods could enhance surface-enhanced Raman spectroscopy (SERS) by a factor of 25 compared to similar smooth nanorods.

Tags: Raman