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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Diam+Relat+Mater 2021 ; 117 (ä): 108458 Nephropedia Template TP
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Theoretical investigation of favipiravir antiviral drug based on fullerene and boron nitride nanocages #MMPMID34025036
Soliman KA; Aal SA
Diam Relat Mater 2021[Aug]; 117 (ä): 108458 PMID34025036show ga
Smart implementation of novel advanced nanocarriers such as functionalized C(24) and B(12)N(12) nanocages is used supplement for antiviral activity 5-Fluoro-2-hydroxypyrazine-3-carboxamide (Favipiravir; Avigan; T-705), as treatment of COVID-19. The interaction energies of Favipiravir with perfect (B(12)N(12) and C(24)) and doped (BC(23) and CB(11)N(12)) nanocages were studied at temperatures equal to 310.15 K and 298.15 K using DFT. Our results have shown that the interaction of the Favipiravir (C[bond, double bond]O group) with BC(23) and CB(11)N(12) is more favorable than with the C(24) and B(12)N(12) nanocages in the gas and aqueous environments. Additionally, the natural bond orbital, the highest occupied molecular orbital (HOMO), the lowest unoccupied molecular orbital (LUMO), energy gap, chemical reactivity, molecular electrostatic potential, and thermodynamic parameters of the optimized structure have been examined. Furthermore, the UV-Vis and infrared spectroscopy have been evaluated for the investigation of the molecular orbitals Participated in the absorption spectrum of the Favipiravir before and after the interaction with the C(24), BC(23), B(12)N(12,) and CB(11)N(12), sites at maximum wavelength utilizing the time-dependent density functional theory (TD-B3LYP and TD-CAM-B3LYP). The intermolecular interactions have been analyzed by non-covalent interactions (NCI) and also, the electron localization function (ELF) is discussed.