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Carrot-derived carbon dots modified with polyethyleneimine and nile blue for ratiometric two-photon fluorescence turn-on sensing of sulfide anion in biological fluids

Chemical EngineeringEngineeringPhotochemistrySulfide AnionOptical SensorNile BlueAnalytical ChemistryChemistryCarrot-derived Carbon DotsNanosensorAnion SensingCation SensingChemical Sensor