Analysis of Fingerprint Residues by Micro-Raman Spectroscopy and Spectral Imaging

Chinese Journal of Light Scattering ›› 2016, Vol. 28 ›› Issue (3) : 230-236. DOI: 10.13883/j.issn1004-5929.201603008

Analysis of Fingerprint Residues by Micro-Raman Spectroscopy and Spectral Imaging

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Abstract

Abstract:Oil fingerprints residues on glass slides were examined by confocal Raman spectroscopy. The samples were divided into several groups according to the position and number of characteristic peaks. Meanwhile, corresponding molecular vibration groups were identified for each the characteristic peaks. On the basis of that, Raman imaging was also employed to study oil fingerprints residues on glass slides, so as to obtain the distribution of oil fingerprint ridge substance. The experimental results show that the confocal micro-Raman spectroscopy can be used to distinguish oil fingerprint residues with different components, while the Raman imaging technique can be used to obtain the image and the components of fingerprint simultaneously. It has broad application prospect for the extraction and analysis of oil fingerprint.

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Raman spectroscopy / Raman imaging / oil fingerprint

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. Analysis of Fingerprint Residues by Micro-Raman Spectroscopy and Spectral Imaging. Chinese Journal of Light Scattering. 2016, 28(3): 230-236 https://doi.org/10.13883/j.issn1004-5929.201603008

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