Analytical application of NiCo2O4 nanoneedle-modified/GCE urea sensor for the quantification of urea from diluted urine samples.
Sample | Added (mM) | Detected (mM) | Recovery (%) |
---|---|---|---|
1 | 0 | 0.28 ± 0.03 | |
0.5 | 0.50 ± 0.03 | 100.7 | |
1 | 0.95 ± 0.04 | 95.2 | |
1.5 | 1.52 ± 0.21 | 101.6 | |
2 | 0 | 0.28 ± 0.01 | |
0.5 | 0.52 ± 0.05 | 104.8 | |
1 | 0.96 ± 0.03 | 96.3 | |
1.5 | 1.45 ± 0.36 | 97.1 | |
3 | 0 | 0.15 ± 0.48 | |
0.5 | 0.49 ± 0.22 | 99.2 | |
1 | 1.04 ± 0.04 | 104.7 | |
1.5 | 1.52 ± 0.59 | 101.7 |