Abstract
Abstract A novel method for O-ethyl S-[2(diisopropylamino)ethyl] methylphosphonothiolate (VX), sarin detection and kinetic analysis based on piezoresistive microcantilever aptasensor was proposed, where VX and sarin aptamers were immobilized on the microcantilever surface by biotin-avidin binding system. A linear relationship between the response voltage and the concentration of VX in the range of 2−60 μg L−1 was obtained, the linear regression equation was ΔUe = 0.886C − 1.039 (n = 5, R = 0.984, p
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