Absorption and fluorescence spectra of sulgin in the presence of methylene blue
Sensitive and selective detection of antibiotic residues is an important issue for human health, the environment and public safety. In this work, a study of the spectral-luminescent properties of the complex of sulgin and methylene blue in water was carried out. The methods of spectroscopy of electronic absorption and fluorescence are used to assess the properties of the studied molecules, which enter into specific and van der Waals, hydrophobic and electrostatic interactions between sulgin and methylene blue. It has been shown that the constant of interaction between sulgin and methylene blue is 2.5×103 M-1.
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Keywords
sulgin, methylene blue, electronic absorption spectra, fluorescence quenching, interaction constantAuthors
| Name | Organization | |
| Tchaikovskaya O.N. | National Research Tomsk State University | olgatchaikovskaya@gmail.com |
| Chaidonova V.S. | National Research Tomsk State University; Hygienic and Epidemiological Center in Republic of Khakassia | krayvlada0523@mail.ru |
| Ashmarina M.A. | National Research Tomsk State University | mariaashmarina6@gmail.com |
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