Graphene nanosheet-sandwiched platinum nanoparticles deposited on a graphite pencil electrode as an ultrasensitive sensor for dopamine
Nadeem Baig, Abdel‐Nasser Kawde, Abdelaziz Elgamouz, Mohamed A. Morsy, Ahmed Abd El Fattah, Rizafizah Othaman
Abstract
= 0.9991). The behavior of the sensor for dopamine in the presence of a high concentration of l(+) Ascorbic acid and other potential interferents was satisfactory. High recovery percentage between 90% and 105% in the human urine sample, good reproducibility, and facile fabrication of the electrode make it a good candidate for dopamine sensing.
Topics & Concepts
NanosheetGrapheneGraphiteElectrodePlatinum nanoparticlesMaterials sciencePlatinumPencil (optics)NanoparticleDopamineNanotechnologyChemical engineeringChemistryComposite materialElectrochemistryCatalysisOpticsOrganic chemistryInternal medicineEngineeringPhysical chemistryPhysicsMedicineElectrochemical sensors and biosensorsConducting polymers and applicationsElectrochemical Analysis and Applications