The interaction of diethylaminoethyldextran with bovine serum albumin has been investigated by Gekko etal. (1978). It was investigated at the pH range above the isoelectric point by turbidity and electrophoresis. The coacervate was affected by pH, ionic strength and the weight ratio of the compounds. The interaction between the two compounds was attributed to electrostatic charges and was further strengthened by hydrophobic effects. The localized charge distribution model of protein polyion interaction is supported.

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