Proceedings of the International scientific and practical conference ―Eastern European Forum of New Discoveries‖ (May 11-13, 2026) / Publisher website: www.naukainfo.com. – Kharkiv, Ukraine, 2026. - 208 p.

48 characterization of the molecular and electronic structure of the Pb(II)-quercetin complex. Journal of Physical Chemistry, 2005. Vol. 109, no 44. P. 10044– 1005. ; DOI: https://doi.org/10.1021/JP053506I 7. Walencik P.K., Choi´nska R., Gołebiewska E., Kalinowska M. Metal–Flavonoid Interactions ‒ From Simple Complexes to Advanced Systems. Molecules, 2024. Vol. 29, no 11. P. 2573–2598. DOI: https://doi.org/10.3390/ molecules29112573 8. Malacaria L., Corrente G.A., Beneduci A., Furia E., Marino T., Mazzone G. A Review on Coordination Properties of Al(III) and Fe(III) toward Natural Antioxidant Molecules: Experimental and Theoretical Insights. Molecules 2021. Vol. 26. P. 2603–2626. DOI: https://doi.org/10.3390/ molecules26092603 9. Popova M., Trendafilova I., Szegedi Á, Mihály Ju., Németh P., Marinova S., Aleksandrov H., Vayssilov G. Experimental and theoretical study of quercetin complexes formed on pure silica and Zn-modified mesoporous MCM-41 and SBA-16. Microporous and Mesoporous Materials, 2016. Vol. 228 P. 256–265. DOI: https://doi.org/10.1016/j.micromeso.2016.04.001 10. Ayad A., Harrou A., Abdelouahad El Himri, Benali M., Dira A., Aparicio S., Gutiérrez A., Soldera A., Gharibi E. Polarity-Driven Selective Adsorption of Quercetin on Kaolinite: An Integrated DFT and Monte Carlo Study. Materials, 2026. Vol. 19, no 2. Р. 368–394. DOI: https://doi.org/10.3390/ma19020368 11. Ol'ha O. Brovarets', Dmytro M. Hovorun . Energy of the CH ⋯ O H-bonds and others specific contacts in the quercetin molecule: QM/QTAIM approximation formulas. Journal of Molecular Liquids, 2020. Vol. 313. Р. 113456. DOI: https://doi.org/10.1016/j.molliq.2020.113456 12. Fedyanina, T.V.; Barvinchenko, V.N.; Lipkovskaya, N.A.; Pogorelyi, V.K. Effect of complexation with biopolymers on the adsorption of quercetin on silica. Colloid J. 2008, Vol. 70. Р. 215–220. 13. Ліпковська Н.О., Барвінченко В.М. Супрамолекулярні взаємодії природних флавоноїдів з катіонною ПАР етоніем в розчинах і на поверхні. Хімія, фізика та технологія поверхні, 2018. Т. 9, № 1. С. 92–103. 14. Sočo E., Domoń A., Papciak D. Adsorption of Quercetin on Mesoporous Silica