Fig. 1From: Poly(4-amino-3-hydroxynaphthalene-1-sulfonic acid) modified glassy carbon electrode for square wave voltammetric determination of amoxicillin in four tablet brandsCVs of bare GCE (a, b) and poly(AHNSA)/GCE (c, d) in pH 7.0 PBS in the absence (a, c) and presence (b, d) of 1.0 mmol L−1 AMX at scan rate of 0.1 V s−1. Inset: corrected for blank CVs of (a) bare GCE, and (b) poly(AHNSA)/GCEBack to article page