Fig. 2
From: Nanomaterial enabled sensors for environmental contaminants
(Reproduced from Yang et al. [84] with permission of The Royal Society of Chemistry)
Illustration of the preparation of the Au–PPy–rGO nanocomposite-based AChE biosensor. Illustration of the preparation of the Au–PPy–rGO nanocomposite-based AChE biosensor and its application for the electrochemical detection of organophosphorus pesticides