作者:Tang, Xin-Hui、Zhang, Hao-Na、Wang, Wen-Ling、Wang, Qing-Ming
DOI:10.3390/molecules29102386
日期:——
designed. Impressively, HND exhibited a high selectivity, fast response (1 min) and low detection limit (0.61 μM) for H2S in PBS buffer (10 mM, pH = 7.42). Moreover, the reaction mechanism between HND and H2S was conducted by Job’s plot, HR-MS, and DFT. In particular, HND was successfully employed to detect H2S in HeLa cells.
监测生物体中的硫化氢 (H2S) 非常重要,因为 H2S 在许多生理和病理过程中起着调节作用。内源性H2S浓度的上调已被证明与肿瘤、动脉粥样硬化、神经退行性疾病和糖尿病的发生和发展密切相关。 Herin 设计了一种具有聚集诱导发射的新型荧光探针 HND。令人印象深刻的是,HND 对 PBS 缓冲液(10 mM,pH = 7.42)中的 H2S 表现出高选择性、快速响应(1 分钟)和低检测限(0.61 μM)。此外,通过Job's图、HR-MS和DFT对HND和H2S之间的反应机理进行了研究。特别是,HND 已成功用于检测 HeLa 细胞中的 H2S。