On Electrophoretic Mobilities and the Isoelectric Point of Protein-Coated Particles
Abstract
It is a fact known by experiment that quartz or glass particles of microscopic size suspended in a liquid and coated with a superficial layer of protein exhibit in almost every instance the same mobility in response to the application of an electric field. This indicates that their electrophoretic potential is independent of the size and shape of the particles. Furthermore, the isoelectric point of these particles coincides with the isoelectric point of the proteinic ions in the solution. Some very general thermodynamic arguments are given in this paper indicating that we should expect a similar behavior as a consequence of simple model properties.
- Publication:
-
Journal of Chemical Physics
- Pub Date:
- December 1933
- DOI:
- 10.1063/1.1749259
- Bibcode:
- 1933JChPh...1..882H