Abstract
Adsorption isotherms for methyl orange on lysozyme at ionic strengths varying from 0.001 to 0.05, pH 5.5, are sigmoid. Increasing ionic strength shifts the inflection point of such isotherms to higher free anion concns. Binding of one methyl orange anion to a lysozyme molecule in 0.05 [image] acetate, pH 5.5, facilitates adsorption of 9 others, with subsequent precipitation of the protein. This co-operative behavior is interpreted on the basis of a previously descr. theory of interacting hydration effects. The possible biological implications for similar systems are indicated.
Keywords

This publication has 5 references indexed in Scilit: