Table 2.

The comparison of limit of quantification (LOQ) for cTnI from reported literatures and current work.

Method	LOQ (ng/mL)
	CV < 10%	CV < 20%
Immunoassay sandwich fluorescence ( bioMerieux VIDAS) [41]	0.11	-
Enzyme-linked immunosorbent assay (i-STAT) [41]	0.10	0.07
Microfluidic immunochip assay [42]	-	0.042
Homogeneous sandwich immunoassay [43]	-	0.038
Red florescent microspheres immunoassay (This work)	0.087	0.032