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FOR the observations of concentration distribution in an ultracentrifuge cell during the process of sedimentation, methods depending on light absorption or refractive index have been used1, 2 ...
The Lamm equation is a fundamental differential equation in analytical ultracentrifugation , for describing the transport of solutes in an ultracentrifuge cell . In this article, we present ...
sedimentation constants. The use of a thermistor in a simple bridge circuit and its calibration by the melting of diphenyl ether to give the actual temperature of the ultracentrifuge cell is described ...
and by measurement of the build‐up of sedimented material in the ultracentrifuge cell . Sedimentation coefficients comparable to those observed for pre‐synthesised dextran were recorded. © 1999 Society of Chemical ...
concentration profiles, c(r, t) in the ultracentrifuge cell . The procedure accounts for the back-diffusion, described as a Brownian motion that superimposes to the centrifugal drift, and considers the sector ...
an ultracentrifugal cell . The equation has been tested with equilibrium density gradient measurements of the system water/metrizamide/polystyrene latex where metrizamide is the heavy medium. The solvent compositions ...
distributions within the range of 0.85 ...
revolutions per second to the maximum safe speed of the rotor. Improvements have been made in the ultracentrifuge cell , and both white light and monocromatic light fringes can be used interchangeably ...
to the concentration profile inside an ultracentrifuge cell . Currently, it is rather difficult, if not impossible, to find how to derive the final equation used in the calculation of Mz. It is the purpose of this paper ...
by analytical methods, their sedimentation should be computed from analysis of samples taken out of the ultracentrifugal cell . In this laboratory1,2 and elsewhere3, several attempts have been made to take out ...
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