two novel monoclonal antibodies , called b11 and b13 , directed exclusively against human chromogranin b ( cgb ) and another antibody , a11 , specific for human chromogranin a ( cga ) , were obtained by immunization of mice with chromaffin granules , the fusion of their splenocytes , the screening of hybridomas supernatants by elisa and immunohistochemistry , and characterization of the antibodies by two-dimensional immunoblotting .
C0003250
monoclonal antibodies
C0003241
antibodies