Figure 4From: A high throughput gold nanoparticles chemiluminescence detection of opioid receptor antagonist naloxone hydrochloride Effect of AuNPs concentration on the CL signal of luminol-potassium ferricyanide system (luminol 5.0× 10 −4 mol L −1 , potassium ferricyanide 1.0× 10 −2 mol L −1 ) and 1.0× 10 −3 mol L −1 naloxone hydrochloride. Back to article page