Functionalized polyacrylamide as an acetylcholinesterase-inspired biomimetic device for electrochemical sensing of organophosphorus pesticides F. Sgobbi* and Sergio A. S. Machado São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, Avenida Trabalhador São-carlense, 400, 13560-970 São Carlos, São Paulo, Brazil. *Corresponding author: livia.fsgobbi@gmail.com Table S1. Analytical characteristics of AChE-based biosensors for ATCh detection LOD Concentration Sensitivity Working Real Storage Electrodes (mol L-1) Range (A mol-1L) Potential Sample and Reference (mmol L-1) (V) Analysis Stability* vs (Ag/AgCl) 5.0×10-6 0.02-0.70 0.0724 0.600 Not applied - () AChE/CMC/GCE 1.0×10-7 0.002-0.40 - 0.660 Not applied 4 ºC () 70% (30 days) AChE-MWCNTs- 1.0×10-7 0.002-0.02 - 0.590 Not applied 4 ºC () Au-CHIT/GC 0.02-0.40 90% (30 days) - 0.03-0.0165 0.016 0.685 Not applied 4 ºC () 0.0915-0.2115 0.056 90% (30 days) 3.0x10-5 0.05-4.0 0.17 0.050 Not applied 4 ºC () 95% (1 week) 1.0x10-7 2x10-4-0.03 - 0.470 Apple, 4 ºC () 0.03-0.50 Cabbage, Lake water 90% (30 days) - 0.054-0.254 0.0051 0.631 Vegetables 4 ºC () 90.2% (30 days) 3.0x10-6 0.01-1.0 0.00223 0.200 Not applied 4 ºC () AChE
Functionalized polyacrylamide as an acetylcholinesterase-inspired biomimetic device for electrochemical sensing of organophosphorus pesticides F. Sgobbi* and Sergio A. S. Machado São Carlos Institute of Chemistry, University of São Paulo, P.O. Box 780, Avenida Trabalhador São-carlense, 400, 13560-970 São Carlos, São Paulo, Brazil. *Corresponding author: livia.fsgobbi@gmail.com Table S1. Analytical characteristics of AChE-based biosensors for ATCh detection Electrodes LOD (mol L-1) Concentration Range (mmol L-1) Sensitivity (A mol-1L) Working Potential (V) vs (Ag/AgCl) Real Sample Analysis Storage and Stability* Reference 5.0×10-6 0.02-0.70 0.0724 0.600 Not applied - () AChE/CMC/GCE 1.0×10-7 0.002-0.40 - 0.660 Not applied 4 ºC 70% (30 days) () AChE-MWCNTs- Au-CHIT/GC 1.0×10-7 0.002-0.02 0.02-0.40 - 0.590 Not applied 4 ºC 90% (30 days) () - 0.03-0.0165 0.0915-0.2115 0.016 0.056 0.685 Not applied 4 ºC 90% (30 days) () 3.0x10-5 0.05-4.0 0.17 0.050 Not applied 4 ºC 95% (1 week) () 1.0x10-7 2x10-4-0.03 0.03-0.50 - 0.470 Apple, Cabbage, Lake water 4 ºC 90% (30 days) () - 0.054-0.254 0.0051 0.631 Vegetables 4 ºC 90.2% (30 days) () 3.0x10-6 0.01-1.0 0.00223 0.200 Not applied 4 ºC () AChE
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