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We have developed a simple and fast immunochromatographic test strip for the simultaneous quantitation of aflatoxin B1 and aflatoxin B2 in corn and rice. The strip contains three pads (sample, conjugate, and absorbing pad) and uses the respective polyclonal antibodies immobilized on gold nanoparticles. Matrix interferences were minimized by application of fugacity theory. Clean-up of samples and pre-treatment...
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