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. 2019 May 8;9(25):14443–14451. doi: 10.1039/c9ra00909d

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