A Sensitive Fluorescent Immunoassay for Prostate Specific Antigen Detection Based on Signal Amplify Strategy of Horseradish Peroxidase and Silicon Dioxide Nanospheres
Table 2
Comparison results of serum samples using the proposed and ELISA method.
Serum sample
Proposed methoda (ng·mL−1)
ELISAa (ng·mL−1)
Relative deviation (%)
1
1 0.116 ± 0.012
0.113 ± 0.008
2.65
2
2 0.308 ± 0.018
0.316 ± 0.014
−2.53
3
0.653 ± 0.011
0.689 ± 0.015
−5.22
4
1.152 ± 0.009
1.138 ± 0.021
1.23
5
5.210 ± 0.025
5.002 ± 0.034
4.16
6
15.262 ± 0.138
14.806 ± 0.112
3.08
7
24.139 ± 0.165
25.418 ± 0.104
−5.03
8
43.615 ± 0.213
42.221 ± 0.226
3.30
aMean value ± SD of five measurements serum sample.