Fig. 5From: 3A-Amino-3A-Deoxy-(2AS, 3AS)-β-Cyclodextrin Hydrate/Tin Disulfide Modified Screen-Printed Carbon Electrode for the Electrochemical Detection of Polychlorinated Biphenylsa EIS spectra of different modified electrodes: bare SPCE, SnS2/SPCE, and β-CD/SnS2/SPCE. b β-CD/SnS2/SPCE modified electrode in PBS (pH = 7.4) (black) and 3 mM yellow blood salt, 3 mM red blood salt, 0.1 M KCl solution (red) in the mixture solution of 80 μM PCB Aroclor (1016)Back to article page