Polar and photoelectronic properties of dileucine and diisoleucine nanotubes

resumo

The article presents computer modeling and quantum-chemical calculations of polar and photoelectronic properties of helix-like nanotubes based on dileucine (LL) and diisoleucine (II) dipeptides of L and D chiralities using HyperChem package. It has been shown that physical properties of LL-based peptide nanotubes (PNTs) are close to the properties of diphenylalanine (FF) nanotubes, whereas II-based PNTs demonstrate lower polarization and the absorption edge in the short-wavelength UV-C region. For all kinds of nanotubes, the chirality index calculated using scalar triple product of dipole moments has confirmed the chirality change rule established earlier for complex biomolecules.

palavras-chave

DIPHENYLALANINE PEPTIDE NANOTUBES; PHYSICAL-PROPERTIES

categoria

Materials Science; Physics

autores

Bystrov, VS; Paramonova, EV; Ledeneva, OR; Belova, EV; Zelenovskiy, PS; Kopyl, SA; Fridkin, VM

Grupos

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