Table 3.

Assessment of the specificity of MAbs against recombinant antigens RBD_r1 and RBD_r2.

Sample	A492nm (non-inhibited samples)	Inhibition (%)
		RBDr1	RBDr2	RBDr1	RBDr2
CBSSRBD-S.1	0.815	0.002	0.004	99.75	99.51
CBSSRBD-S.2	0.264	0.056	0.278	78.79	−5.43
CBSSRBD-S.3	0.457	0.106	0.428	76.79	6.20
CBSSRBD-S.4	0.975	0.004	0.007	99.56	99.25
CBSSRBD-S.5	0.795	0.001	0.007	99.83	99.16
CBSSRBD-S.6	0.916	0.004	0.002	99.60	99.75
CBSSRBD-S.7	0.759	0.016	0.126	97.89	83.44
CBSSRBD-S.8	0.604	0.002	0.001	99.61	99.89

Inhibition (%) = [1- A492nm (inhibited samples)/A492nm (non-inhibited samples)] × 100. The absorbance values are the mean of triplicate measurements with SD within 20% of the means.