Formation of xenon clathrates in E. coli cell suspensions according to the data of the paramagnetic doping (n.m.r.) method

Abstract

The pulsed n.m.r. method at the 90 MHz resonance frequency in the presence of paramagnetic Mn 2+ ions has been used to study the state of water in E. coli cell suspensions under a xenon pressure of 1 MPa at 279 K. It is shown that in these conditions xenon clathrates form in the extracellular medium with rise in the permeability of the cell membranes for water; with use of an isotonic extracellular medium the formation of clathrates leads to the compression and dehydration of the cells of the microorganism. © 1987