Orange-emissive N,S-co-doped carbon dots for label-free and sensitive fluorescence assay of vitamin B<sub>12</sub>
Pengfei Fan, Can Liu, Congcong Hu, Feifei Li, Xi Lin, Fubing Xiao, Hao Liang, Le Li, Shengyuan Yang
Abstract
N,S-CDs with orange fluorescent emission were synthesized via a hydrothermal method using o -phenylenediamine and thiourea. A novel fluorometric method for the determination of VB 12 based on the IFE was established.
Topics & Concepts
ChemistryFluorescenceThioureaHydrothermal circulationDopingOrange (colour)Carbon fibersPhotochemistryNuclear chemistryOrganic chemistryChemical engineeringOptoelectronicsFood scienceOpticsEngineeringComposite numberMaterials scienceComposite materialPhysicsCarbon and Quantum Dots ApplicationsNanocluster Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniques