Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

dialysis




The process of selective diffusion of ions and molecules through a semipermeable membrane which retains colloid particles and macromolecules. It is accelerated by applying an electric field (see electrophoresis). Dialysis is used for desalination and in artificial kidneys. See also renal dialysis.


Related category

   • BIOCHEMISTRY