Anti-pesticide DNA aptamers fail to recognize their targets with asserted micromolar dissociation constants.
本研究最初旨在利用先前筛选获得的DNA适配体,开发用于均相检测异恶草磷(isocarbophos)和毒莠定(phorate)农药的荧光各向异性生物传感器平台。为此,作者实施了两种具有高度通用性的信号报告策略,分别基于互补链置换和SYBR Green嵌入剂置换。然而,两种换能方法均未产生与毒莠定浓度相关的信号;仅SYBR Green置...