Aptameric Recognition-Modulated Electroactivity of Poly(4-Styrenesolfonic Acid)-Doped Polyaniline Films for Single-Shot Detection of Tetrodotoxin. - Gertrude Fomo; Tesfaye Waryo; Christopher E. Sunday; Abd A. Baleg; Priscilla G. L. Baker; Emmanuel I. Iwuoha (Sensors, 2015)