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We have developed a new method of one-step simultaneous detection for three pesticides including acetamiprid, atrazine and carbendazim based on organic framework nanomaterial Cu/UiO-66 and three different fluorescent dyes labeled pesticide aptamers. Cu/UiO-66 can be easily combined with pesticide aptamers through strong coordination, and then aptamers were adsorbed to the surface of Cu/UiO-66, which brings the dyes and Cu/UiO-66 into close proximity. Then, the fluorescence of dyes was quenched by Cu/UiO-66. When the target pesticides app
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