Fluorescent/ratiometric colorimetric dual-node sensor based on Fe/N co-doped carbon dots for nitrite detection
Tiechun Li, Mengjia Guo, Weiwei Luo, Quanping Diao, Linlin Lv, Pinyi Ma
Abstract
concentration increased. Quantitative nitrite analysis was further achieved by capturing RGB values with smartphone-assisted color-recognition software, using the green-to-red (G/R) ratio as the analytical signal.
Topics & Concepts
NitriteChemistryEthylenediaminetetraacetic acidDetection limitFluorescenceFerricPreservativeColorimetryDiethylenetriamineCarbon fibersColorimetric analysisNuclear chemistryRGB color modelColor reactionCatalysisHydrothermal circulationTriethanolamineChromatographyTartrazineInorganic chemistryCitric acidAdvanced Nanomaterials in CatalysisCarbon and Quantum Dots ApplicationsAdvanced biosensing and bioanalysis techniques