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Cocaine is one of the most worldwide used illicit drugs. We report a magnetic particles-based enzyme-linked immunoassay (mpEIA) method for the rapid and sensitive determination of cocaine (COC) in saliva, urine and serum samples. Under optimized conditions, the limits of detections were 0.09ngmL−1 (urine), 0.15ngmL−1 (saliva), and 0.06ngmL−1 COC (human serum). Sensitivities were in the range EC50=0...
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