Using Nanostructured Carbon Material to design Electrochemical Sensor for detecting the residue of antibiotics in the environment
Authors: Dr. sc. Albana Veseli , Dr.sc. Flamur Sopaj , Dr.sc. Majlinda Vasjari , Dr.sc. Nevila Broli, Dr.sc. Eda Mehmeti
As a matter of fact, carbon is an excellent transducer material in biosensors, thanks to its propriety of high electron transfer and specific surface area. Carbon modified screen-printed electrodes (SPEs) found applicable in many analytical sectors for revealing compounds ranging from clinical diagnosis to environmental pollution. Various modified carbon based (bio)sensors are designed using metal oxides, gold nanoparticles (AuNPs), carbon nanotubes (CNTs) graphene Nano platelets, surfactants (SDS, SDBS), enzymes etc., in purpose for selective and sensitive analysis. Glassy carbon electrode (GCE), modified with gold nanoparticles and self-assembled L-cysteine, sitespecific functionalized with antigen-specific capture Nano bodies to optimize the target selectivity was used as suitable device for point-of-care Electrochemical impedance spectroscopy (EIS) measurements [1]. A highly sensitive electrochemical biosensor based on laccase immobilized onto a gold nanoparticles/graphene nanoplatelets-modified screen-printed carbon electrode (LACC/AuNP/GNPl/SPCE) was developed for the determination of hydroquinone (HQ) and other phenolic compounds in wine and blueberry syrup [2]. New and sensitive analytical method for quantitative determination of Erythromycin (ERY) in pretreated surface water samples based on the use of screen-printed carbon electrodes (SPCEs) modified with sodium dodecyl sulfate [3]. On the other hand there are studies focused on the role of different cathode materials (i.e., carbon sponge (CS) of five different porosities, carbon felt (CF), and stainless steel (SS)) on the electrochemical oxidation and mineralization of sulfamethazine (SMT) in aqueous solution for the effective water treatment technologies, so called advanced oxidation processes (AOPs) [4]. The biosensor based on carbon paste electrode modified with banana crude tissue CPE‐B, source of Polyphenol Oxidase enzyme was applied for the determination of catechol in green tea samples [5]. Based on the published paper from the member of the team some of them discussed here exist a potential among us to continue developing innovative (bio) sensor based on nanostructured material focused for antibiotic analysis but not only.