The comparisons of various CDs for anti-bacterial^a.

	CDs	Size (nm)	ζ-Potential (mV)	Strain	MIC (mg mL−1)	MBC (mg mL−1)	Remark
Dou et al.13	ND	3.5	ND	E. coli	0.64	ND
				S. aureus	0.32
Travlou et al.14	N-CDs	6.5	−6.47	E. coli	0.16	ND
	S-CDs	5.0	−47.18	B. subtilis	0.32
Yang, et al.15	Negative-charge CDs	4.0	−16.00	S. aureus	0.008	ND
Bing et al.27	Negative-charge candle-soot CDs	2.93	−19.50	E. coli	ND	ND	0.3 mg mL−1 of C-dots exhibited the bacteriostatic ability toward E. coli
This study	Negative-charge CDs	2.5	−11.06	MRSA	0.63	2.5
				VISA	0.63	1.25

^aND: no detection.