SERS Spectral Bands of L-Cysteine, Cysteamine and Homocysteine Fitted by Tsallis q-Gaussian Functions

Amelia Carolina Sparavigna

International Journal of Sciences, 2023, vol. 12, issue 09, 14-24

Abstract: Tsallis q-Gaussian functions are probability distributions possessing a shape which can be stretched from a Lorentzian to a Gaussian profile, according to the q-index parameter of their generalized exponentials. As we have previously shown, the q-Gaussian functions can be successfully applied to the deconvolution of Raman bands. Here we consider them for being used in the analyses of the Surface Enhanced Raman Scattering (SERS) spectral bands. The case studies here considered are the SERS spectra published by Sherman et al., in 2020, of L-Cysteine, Cysteamine and Homocysteine. Sherman and coworkers prepared these metabolites in silver colloids with sodium citrate.

Keywords: Tsallis q-Gaussian Distribution; Gaussian Distribution; Cauchy Distribution; Lorentzian Distribution; Raman Spectroscopy; Surface Enhanced Raman Spectroscopy; SERS; L-Cysteine; Cysteamine; Homocysteine (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (9)

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DOI: 10.18483/ijSci.2721

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