Metal-free cysteamine-functionalized graphene alleviates mutual interferences in heavy metal electrochemical detection
Qiuyue Yang, Emily P. Nguyen, David Panáček, Veronika Šedajová, Vítězslav Hrubý, Giulio Rosati, Cecília de Carvalho Castro Silva, Aristides Bakandritsos, Michal Otyepka, Arben Merkoçi
Abstract
ions based on Pearson's hard and soft acid and base principle. More intriguingly, the GSH-modified SPCE (GSH-SPCE) featured high reusability with extended cycling times (23 times), surpassing the state-of-art SPCEs modified by non-covalently functionalized graphene derivatives. Last, the GSH-SPCE was validated in tap water.
Topics & Concepts
GrapheneCysteamineElectrochemistryMetalMaterials scienceInorganic chemistryChemistryNanotechnologyMetallurgyOrganic chemistryElectrodePhysical chemistryElectrochemical Analysis and ApplicationsTrace Elements in HealthMolecular Sensors and Ion Detection