Preparation of carbon quantum dot fluorescent probe from waste fruit peel and its use for the detection of dopamine
Li Han, Yingkai Guo, Haohao Zhang, Zifan Wang, Fan Zhang, Yiran Wang, Yiran Wang, Xingqi Li, Ying Wang, Ying Wang, Jiajia Ye
Abstract
N-CQDs are made by a hydrothermal method using orange peel as the carbon source, with a fluorescence quantum yield as high as 35.37%. The fluorescence bursting effect of dopamine enabled the effective detection of DA with a range of 0.5–30 μmol L −1 .
Topics & Concepts
FluorescenceQuantum yieldDopamineHydrothermal circulationOrange (colour)Carbon fibersCarbon quantum dotsQuantum dotChemistryYield (engineering)PhotochemistryNanotechnologyChromatographyChemical engineeringMaterials scienceComposite materialFood scienceComposite numberBiologyOpticsPhysicsNeuroscienceEngineeringCarbon and Quantum Dots ApplicationsNanocluster Synthesis and ApplicationsElectrochemical sensors and biosensors