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Table 3 Comparison of standard methods of deposition of PPD membrane

From: Improvement of amperometric transducer selectivity using nanosized phenylenediamine films

Analyzed substance and its concentration 10 CVAs in 5 mM phenylenediamine 40 min at a constant potential of 0.7 V in 100 mM phenylenediamine
Response, nA % of response without membrane Response, nA % of response without membrane
H2O2, 50 μM 12.0 ± 1.4 267.3 ± 26.0 4.5 ± 1.3 99.3 ± 29.7
Ascorbic acid, 120 μM < 0.1 0 < 0.1 0
Cysteine, 300 μM 0.2 ± 0.2 1.9 ± 1.9 0.6 ± 0.4 6.3 ± 3.8
Uric acid, 450 μM < 0.1 0 < 0.1 0
Dopamine, 6 μM < 0.1 0 < 0.1 0