Fig. 1From: Electrochemical H2O2 biosensor based on horseradish peroxidase encapsulated protein nanoparticles with reduced graphene oxide-modified gold electrodeSchematic diagram of H2O2 electrochemical sensing principle of the biosensor using Horseradish peroxidase-encapsulated protein nanoparticles (HEPNP) and reduced graphene oxide (rGO) modified Au electrode. R.E reference electrode, C.E counter electrode, and W.E working electrode)Back to article page