Ohun elo yii da lori imọ-ẹrọ imunochromatography aiṣe-taara ifigagbaga, ninu eyiti Clenbuterol & Ractopamine & Salbutamol ninu apẹẹrẹ ti njijadu fun goolu colloid ti a pe ni antibody pẹlu Clenbuterol & Ractopamine & Salbutamol coupling antigen ti a mu lori laini idanwo. Abajade idanwo le jẹ wiwo nipasẹ oju ihoho.