biochar, ethylcellulose, screen-printed electrode, electrochemical sensor, drug analysis
graphene oxide, reduced graphene oxide, "leaky" graphene oxide, hydrogen peroxide, pharmaceutical adsorption, biological activity
cobalt-doped cerium oxide, density functional theory, electrochemical detection, Environmental, fenitrothion, graphitic carbon nitride
Carbon black, Graphitic carbon nitride, DFT, Electrochemical sensing, Food samples, density of states