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Zhurnal Tekhnicheskoi Fiziki, 2024 Volume 94, Issue 3, Pages 366–371 (Mi jtf6725)

XI International Symposium ''Optics and Biophotonics'' (Saratov Fall Meeting 2023), Saratov, 25-29 September 2023
Atomic and molecular physics

Wave-diffusion delivery of the HIF-1$\alpha$ protein onto COOH-MWCNTs and regulation of oxygen in biocells

N. G. Bobenkoa, V. V. Shunaevb, V. E. Egorushkina, O. E. Glukhovab

a Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences, 634055 Tomsk, Russia
b Department of Physics, Saratov State University, 410012 Saratov, Russia

Abstract: Carboxyl-functionalized nitrogen-doped multiwalled carbon nanotubes (COOH-N-MWCNTs) have been suc- cessfully used for the delivery of various drugs, genes and proteins. Delivery and controlled release of the HIF-1$\alpha$ protein from the carrier is an important task, since its deficiency or excess leads to the development of hypoxia, cancer, cardiovascular and other diseases. Using the so-called self-consistent-charge density-functional tight-binding method and the quantum equations of motion, it was performed modeling and analysis of the electron-energy properties of the COOH-N-MWCNT/HIF-1$\alpha$ complex, it was determined the structural conditions for the effective attachment and delivery of the HIF-1$\alpha$ protein, it was described the conditions for wave diffusion during delivery and regulation of oxygen concentrations by the HIF-1$\alpha$ protein in biocells. It has been shown that the hybridization of electronic states plays a major role in diffuse relaxation, oxygen regulation, and the possibility of drug delivery. The nature of wave diffusion is determined by the hybridization of the -OH group of the HIF-1$\alpha$ protein and the carboxyl group of COOH-N-MWCNTs.

Keywords: carbon nanotubes, hypoxia-induced factor HIF-1$\alpha$, carboxyl group, electron density functional method in the tight binding approximation, method of quantum equations of motion, wave diffusion.

Received: 22.12.2023
Revised: 22.12.2023
Accepted: 22.12.2023

DOI: 10.61011/JTF.2024.03.57373.306-23



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© Steklov Math. Inst. of RAS, 2025