Table 2.
Concentration (μg·mL−1) | OD (450 nm) | |||||
---|---|---|---|---|---|---|
CST1 | CST2 | CST3 | CST5 | CST6 | CST4 (200 pg·mL−1) | |
1.25 | 0.097 | 0.065 | 0.055 | 0.087 | 0.059 | 0.293 |
2.5 | 0.087 | 0.065 | 0.051 | 0.112 | 0.061 | 0.29 |
5 | 0.086 | 0.053 | 0.049 | 0.143 | 0.074 | 0.291 |
Abbreviations: CST, cystatin; CST1, cystatin SN; CST3, cystatin C; CST4, cystatin S; CST6, cystatin M; ELISA, enzyme-linked immunosorbent assay; OD, optical density.