Abstract
Background and Methods: Ratiometric fluorescent probes can provide more precise measurement results than intensity-based fluorescent probes. Carbon dots are convenient platforms to construct ratiometric fluorescent probes. Carbon dots-based ratiometric fluorescent probes can be constructed by carbon dots and other fluorophores’ simple mixing or by connecting them via covalent bonds or non-covalent bonds. Otherwise, dual-emission carbon dots can also be taken as the ratiometric fluorescent probes. Carbon dots are reference signals, energy donors, response signals and the double emission matrixes in ratiometric probes.
Conclusion: The development of carbon dots-based ratiometric fluorescent probes in recent five years is reviewed in this study which emphasizes their photoluminscene properties, detection mechanisms and applications.
Keywords: Ratiometric, probes, carbon dots, photoluminscene properties, mechanisms, applications.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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