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Updated: Jun 28, 2026

Plant Sample Preparation for Nucleoside/Nucleotide Content Measurement with An HPLC-MS/MS
Published on: February 24, 2021
Raman spectroscopic determination of inosine nucleoside in nucleotides
R Escobar1, P Carmona, A Rodríguez-Casado
1Departamento de Quimica Analitica, Facultad de Quimica, Universidad de Sevilla, E-41012 Sevilla, Spain.
Abstract:
Raman spectroscopy has been applied to the analytical determination of inosine nucleoside in nucleotides. Spectral characteristics of aqueous solutions of lithium, potassium and magnesium salts of inosine 5'-monophosphoric acid are described. Two characteristic bands located at 1553 and 1593 cm(-1) whose frequencies are not sensitive either to the nucleotide concentration or to alkaline cations present in the medium, have been used for this purpose. The concentration ranges over which the method was applicable were 2.5-80 and 11.5-80 mg ml(-1) of inosine using the 1553 and 1593 cm(-1) bands, respectively, with relative standard deviations of 2.5 and 4.0% and detection limits of 0.25 and 1.16% (w/w). As the above bands are not generated by the standard nucleobases, this method can be applied to the quantitative determination of inosine in transfer ribonucleic acids.
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