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Structural imposition on the off-on response of naphthalimide based probes for selective thiophenol sensing

机译:基于萘二甲酰亚胺的选择性苯酚传感探针的开关响应的结构强加

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摘要

N-Phenyl-1,8-naphthalimide based fluorescent probes are reported with various positions of dinitrobenzenesulfonyl (DNs) quencher on the phenyl ring. The probe with -DNs at the ortho-position was predicted to show better response compared to those with the quencher at the meta and para positions. The probe showed selective and very fast response (response time, t(R) = 1 min) toward thiophenol with 20-fold off-on fluorescence sensitivity. Thiophenol sensing applications by the probe were demonstrated via water sample analysis and live cell imaging studies.
机译:据报道,基于N-苯基-1,8-萘二甲酰亚胺的荧光探针在苯环上具有不同位置的二硝基苯磺酰基(DNs)淬灭剂。预测在邻位带有-DNs的探针与在间位和对位带有淬灭剂的探针相比显示出更好的响应。探针显示出对苯硫酚的选择性且非常快速的响应(响应时间,t(R)= 1分钟),对荧光敏感度为20倍。通过水样分析和活细胞成像研究证明了该探针对硫酚的传感应用。

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