Characteristic
 
▶ has high sensitivity and high signal-to-noise ratio, and can detect 10-100 fg antigen;
 
▶ can be operated under natural light without entering a dark room;
 
▶ glows quickly and lasts for a long time;
 
▶ can use a higher dilution ratio of antibodies (1: 2000-1: 10000) to save antibodies extremely.