A simple method for studying steroid-antibody interaction under conditions of thermodynamic equilibrium

Autor: Harvey S. Schiller
Rok vydání: 1976
Předmět:
Zdroj: Analytical Biochemistry. 76:142-148
ISSN: 0003-2697
DOI: 10.1016/0003-2697(76)90272-4
Popis: We compare the classic method of equilibrium dialysis for achieving thermodynamic equilibrium with a method in which polyethylene glycol is used to separate antibody-bound and unbound steroid. Antisera to both polar and nonpolar steroids were studied. Comparable Scatchard plots were obtained by the two methods. Equilibrium constants of association of 10 9 to 10 10 liters/mol of the different antisera were determined by both methods. The described method should simplify the study of steroid-antibody interaction. In addition, this method will permit investigators to characterize quickly and conveniently the antisera to be used for sensitive radioimmunoassays.
Databáze: OpenAIRE