Field effect transistors Alkyl side-chain lengths 2 Ambipolar 2 Article 2 Bio-sensor platforms 2 Biologically inspired 2 Biosensing Techniques 2 Biosensing applications 2 Biosensors 2 Canavalia 2 Chemical sensors 2 Control variable 2 Copper 2 Dynamical behaviors 2 Dynamics 2 Electronic channels 2 Electronic neurons 2 Empirical model 2 Enzymes 2 Enzymes, Immobilized 2 Equipment Design 2 Field-effect transistors 2 Gold source 2 Graphene 2 Graphene transistors 2 Graphite 2 Heavy metals 2 Humans 2 Hydrolysis of ureas 2 Integration 2