Gold and Silver Nanoparticles-Based Electrodes for Sensing Biomolecules and Pharmaceutical Compounds

Gold and silver nanoparticles-based electrodesElectrodes are being increasingly used for sensing biomoleculesBiomolecules and pharmaceutical compounds due to their unique properties. These types of electrodesElectrodes have been gaining popularity in recent years owing to their excellent selectivity, sensitivity and stability, making them suitable for a broad array of biomedical and environmental applications. The chapter initiates with an overview of the synthesis of gold and silver nanoparticlesGold nanoparticles (AuNPs)” (AuNPs and AgNPs), including chemical reduction, electrochemical deposition, and green synthesisGreen synthesis methods. Next, the fabrication methods for AuNPs and AgNPsSilver nanoparticles (AgNPs)” -based electrodesElectrodes, such as drop casting, screen printing, and electrodeposition, are described, along with the optimization of fabrication parametersFabrication parameters. The main focus of the chapter is on the sensing of biomoleculesBiomolecules and pharmaceutical compounds using AuNPs and AgNPs-based electrodesElectrodes. Furthermore, the chapter discusses the applications of these electrodesElectrodes in food security and safety monitoring, point-of-care (POC) diagnosticsPoint-of-care (POC) diagnostics” , environmental monitoringEnvironmental monitoring and biomedical researchBiomedical research” . The chapter concludes with an assessment of prospects and difficulties for the field of electrodesElectrodes made of AuNPsGold nanoparticles (AuNPs)” and AgNPs for sensing biomoleculesBiomolecules and medicinal chemicals.