[Isoelectric focusing--a possibility for the demonstration of gingival sulcus fluid].

Abstract

According to the necessity for examinations of humoral immune response in the oral cavity a new method for evaluating the gingival sulcular fluid proteins is described. In combination of isoelectric focussing on ultrathin-layer polyacrylamide gels, with silver staining a possibility for representing a small quantity of protein as to be expected in sulcular fluid, was found.