Solubility, Thermal Analysis, and Association of the bis-Adducts of Light C60 Fullerene and Amino Acids Lysine, Threonine, and Hydroxyproline in Aqueous Solutions
Konstantin N. SemenovSt. Petersburg University, 199034, St. Petersburg, RussiaA. V. KurilenkoSt. Petersburg State Institute of Technology, 190013, St. Petersburg, RussiaН. А. ЧарыковSt. Petersburg State Institute of Technology, 190013, St. Petersburg, RussiaВ. А. КескиновSt. Petersburg State Institute of Technology, 190013, St. Petersburg, RussiaA. L. Vorob’evSerikbayev East Kazakhstan State Technical University, 070000, Ust-Kamenogorsk, KazakhstanZh. K. ShaimardanovSerikbayev East Kazakhstan State Technical University, 070000, Ust-Kamenogorsk, KazakhstanN. A. KulenovaSerikbayev East Kazakhstan State Technical University, 070000, Ust-Kamenogorsk, KazakhstanZh. S. OnalbaevaSerikbayev East Kazakhstan State Technical University, 070000, Ust-Kamenogorsk, KazakhstanD. G. LetenkoSt. Petersburg State University of Architecture and Civil Engineering, 190005, St. Petersburg, Russia
2019en
ABI
Аннотация
The solubility of light fullerene C60 bis-adducts and essential amino acids lysine, threonine, and hydroxyproline in water in the temperature range of 20–80°C is studied via isothermal saturation inside ampoules. Complex thermal analysis is used to study crystalline hydrates C60(C6H13N2O2)2 · 5H2O, C60(C4H8NO3)2 · 6H2O, C60(C5H9NO3)2 · 2H2O in the temperature range of 40–1100°С. The concentration dependences of the sizes of associates in binary aqueous solutions of the indicated bis-adducts are studied via dynamic light scattering.
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