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AFM-Raman Coupling and Tip-Enhanced Raman (TERS)
Emmanuel Leroy, HORIBA Scientific
Raman microscopy has become an essential tool for the analysis of materials on the micron and sub-micron scale. Coupling SPM and spectroscopy helps identify chemical composition of nano-objects of interest, or establishes the object’s location through spectroscopic means before proceeding to characterization with near-field methods.
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Raman Analysis of Sperm Nuclear DNA Integrity
Con Mallidis and Joachim Wistuba, HORIBA Scientific
Raman spectroscopy was evaluated as a non-invasive method of analysis of sperm DNA and the influence of UV irradiation on the sperm. Results show that Raman spectroscopy, combined with multivariate analysis, provides accurate, reproducible information of sperm DNA and the effect and location of damage.
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Number of Layers of MoS2 Determined Using Raman Spectroscopy
Renata Lewandowska, HORIBA Scientific
This application note compares two methods for determining the number of layers of MoS2 based on Raman spectroscopy. There are two types of vibrational modes in MoS2: vibrational modes inside layers (intralayer) and modes resulting from the movements of complete layers (interlayer).
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Raman Spectroscopy of Oil Shale
David Tuschel, HORIBA Scientific
This article shows that Raman spectroscopy is useful for characterizing the varieties of kerogen structure (chemical bonding and solid state), differentiating shales with different relative amounts of kerogen to inorganic mineral, and differentiating polymorphs of naturally occurring inorganic oxides.
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