Department of Chemistry, Lucknow University, Lucknow, India Manuscript received 15 November 1978, revised 7 April 1980, accepted 25 August 1980 The viscosity B-coefficient of polyamino acids like DL-aspartic acid, DL-glutamlc acid, L-histidine and L-arginine have been determined in aqueous solutions. The reported results indicate that the B values increase with the rise of temperature for aspartic and glutamic acids as compared to decrease observed for histidine and arginine ; a novelty

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... d in terms of protic and aprotic i.e., structure breaking and making behaviour of these amino acids in water or a sort of proton transfer reaction occurring In such system.