Table 2.

Comparative study using immobilized CQDs/ZnO-BM 19.21 fluorescence immunosensing system and electro-chemiluminescence immunoassay [6]

Samples no.	Immobilized CQDs/ZnO-BM 19.21 fluorescence immunosensing system		Electro-chemiluminescence immunoassay [6]
	Found, ng mL1	%RSD (n = 6)	Found, ng mL1	%RSD (n = 6)
1	0.2	± 1.3	0.1	± 1.1
2	0.6	± 0.8	0.4	± 0.5
3	1.1	± 0.5	0.9	± 1.0
4	2.0	± 0.2	1.7	± 0.6
5	2.1	± 0.4	2.0	± 0.6
6	1.8	± 0.7	1.5	± 0.2
7	0.9	± 1.0	0.6	± 1.1
8	1.4	± 0.3	1.1	± 0.7
9	2.3	± 0.1	2.1	± 0.3
10	1.5	± 1.2	1.3	± 1.4
11	1.0	± 1.3	0.7	± 1.6
12	0.7	± 1.2	0.6	± 0.7