[About the effect of the amplitude of fluctuations on the coefficient of rubbing of the brownian oscillator in aqueous media].
The methods of molecular dynamics and correlation functions of coordinates were applied to investigate molecular oscillations in water solution at a variation of the amplitude of fluctuations. It was established, that the amplitude of fluctuation exceeds the threshold value (in water of the order of 0.3-0.45 A), of the force of friction sharply increases, and the vibration mode changes to the mode of limited diffusion. The consistency of the results with the theory of Mössbauer effect and the model of Brownian oscillator for conformational mobility in biopolymers is discussed.
Shaĭtan
K V
KV
Lomonosov Moscow State University, Vorob'evy Gory, Russia.
Saraĭkin
S S
SS
D000818:Animals; D006801:Humans; D011487:Protein Conformation; D011506:Proteins / Q000737:chemistry*; D014867:Water
D011506:Proteins; D014867:Water
O vliianii amplitudy fluktuatsiĭ na koéffitsient treniia brounovsko go ostsilliatora v vodnoĭ srede.