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Table 1 Selectivity of MB peak current in 0.1 mol l−1 PBS (pH 7) at scan rates of 0.1 V s−1 after 30 min incubation in 20 µM MB

From: A simple, portable, electrochemical biosensor to screen shellfish for Vibrio parahaemolyticus

Sample ipa (× 10−6 A) Selectivity rate (%)
Bare electrode 3.63
Non-complementary DNA 2.73 75.21
3-Base mismatched DNA 1.83 50.41
1-Base mismatched DNA 1.40 38.57
Complementary DNA 1.00 27.55