Chromotrope 2B was used as the electrochemical probe and after the interaction with albumin, the reductive peak current of chromotrope 2B was decreased, which can be used for the detection of albumin.

• 以变色酸2B为电化学探针,利用变色酸2B与蛋白质的相互作用后引起变色酸2B还原峰电流的降低,达到测定蛋白质的目的。