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2.
Biofizika ; 26(6): 1109-11, 1981.
Artigo em Russo | MEDLINE | ID: mdl-6274433

RESUMO

Possible mechanism of superhigh frequency (10(10)-10(12) Hz) electromagnetic oscillation generation by an external proton in a system of hydrogen bonds of biomacromolecules is briefly discussed. The external proton in a proton channel deforms the potential profile of the proton of hydrogen bond in such a way, that there appears a possibility of the low frequency proton tunneling along the hydrogen bond. The interaction with the neighbouring bonds leads to further lowering of the generated frequency.


Assuntos
Biopolímeros , Substâncias Macromoleculares , Prótons , Fenômenos Eletromagnéticos , Ligação de Hidrogênio , Concentração de Íons de Hidrogênio , Modelos Biológicos
3.
Biosystems ; 13(3): 171-9, 1981.
Artigo em Inglês | MEDLINE | ID: mdl-7213947

RESUMO

Phase transitions in a bicomponent lipid membrane are considered. It is shown that in this case metastable states practically do not arise and phase transitions are smooth and hysteresisless. An elastic frame on the surface of the membrane changes the character of phase transitions: they become sharp and hysteretic. The role of membrane phase transitions for regulation of cell processes is considered.


Assuntos
Membrana Celular/fisiologia , Cinética , Tensão Superficial , Termodinâmica , Viscosidade
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