
Keywords: C-dots; Theranostic; Drug delivery; Gene delivery; Bioimaging; Biosensing; RNase A; ribonuclease A; PEI; polyethyleneimine; bPEI; branched polyethyleneimine; APTS; (3-aminopropyl) triethoxysilane; PPEI-EI; poly-(propionylethylenimine-co-ethylenimine); PEG