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A Turn-ON fluorometric biosensor based on ssDNA immobilized with a metal phenolic nanomaterial for the sequential detection of Pb(ii) and epirubicin cancer drug.

RSC advances 2021 Arunjegan A, Rajaji P, Sivanesan S, Panneerselvam P

本文提出一种基于无标记鸟嘌呤富集单链DNA(LFGr-ssDNA)、吖啶橙(AO)和金属-酚纳米材料(纳米单斜晶铜-单宁酸,NMc-CuTA)相互作用的荧光生物传感器,用于顺序检测Pb2+和抗癌药物表柔比星(Epn)。LFGr-ssDNA和AO通过π-π堆积和静电作用强烈吸附在NMc-CuTA表面,导致AO荧光猝灭。加入Pb2+后,...