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Reference type: Journal
Authors: Lee MH, O'Hare D, Guo HZ, Yang CH, Lin HY
Article Title: Electrochemical sensing of urinary progesterone with molecularly imprinted poly(aniline-co-metanilic acid)s.
Publication date: 2016
Journal: Journal of Materials Chemistry B
Volume: 4
Issue: (21)
Page numbers: 3782-3787.
DOI: 10.1039/C6TB00760K

Abstract: In this work, progesterone is imprinted into poly(aniline-co-metanilic acid) on the working electrode of an electrochemical sensing chip. This sensing chip was used directly to optimize the composition of the imprinting polymer. Poly(aniline-co-metanilic acid) deposited from a 1 : 3 molar ratio of aniline (ANI) : m-aminobenzenesulfonic acid (MSAN) had an imprinting effectiveness which led to a four-fold greater electrochemical response than pure polyaniline. The electrochemical sensing of progesterone had a limit of detection (LOD) less than 1.0 pg mL-1, and the direct electrochemical response was very weak even at high interference concentrations. Results from potential interferents (urea, testosterone, creatinine and 17-β-estradiol) are reported. The progesterone levels that were measured in a random urine analysis were compared with those obtained using a commercial ARCHITECT system, and the accuracy of the progesterone concentration was 89.0 +/- 5.3% at a concentration of 0.64-5.27 ng mL-1
Template and target information: progesterone

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