Reporting pH-sensitive drug release via unpaired spin fluorescence silencing

Reporting pH-sensitive drug release via unpaired spin fluorescence silencing
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通过不成对的自旋荧光沉默报告 pH 敏感的药物释放

DOI:
10.1039/c7py01942d
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发表时间:
2018
期刊:
影响因子:
4.6
通讯作者:
J. P. Blinco
J. P. Blinco
中科院分区:
化学2区
文献类型:
--
作者:
M. Eing;B. Olshausen;K. E. Fairfull-Smith;U. Schepers;C. Barner-Kowollik;J. P. Blinco

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我们开创了一种方法,用于可视化的pH值控制的分子释放的荧光药物从一个氮氧化物聚合物结合产生一个profluorescent系统。合成了一种基于甲基丙烯酸酯的聚合物,带有水溶性三甘醇链,以氮氧自由基和腙结合的阿霉素的形式不成对自旋,以探索从荧光组件释放定量的可能性。关键的是,我们建立了共价连接的荧光团和这种结构的整体可访问性的聚合物结合的氮氧化物的荧光沉默效应。这里所示的功能组装的简易方法为治疗诊断学中的应用提供了用于复杂递送架构的易于组装的构造。
We pioneer an approach for the visualization of pH-controlled molecular release of a fluorescent drug from a nitroxide polymer which combined yields a profluorescent system. A methacrylate-based terpolymer, bearing water-solubilizing triethylene-glycol chains, unpaired spins in the form of nitroxide and hydrazone-bound doxorubicin was synthesized to explore the possibilities of release quantification from profluorescent assemblies. Critically, we establish the fluorescence-silencing effect of polymer-bound nitroxides on covalently attached fluorophores and the overall accessibility of such constructs. The facile approach towards a functional assembly shown here provides an easy-to-assemble construct for complex delivery architectures towards applications in theranostics.
水溶性异吲哚啉硝基氧和硝基氧原羟胺盐酸盐 UV-VIS 自由基探针的合成
DOI: --
发表时间: 1998
期刊:
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品川牧詩;堀本奈穂;石丸隆;喜多村稔;小達恒夫;平譯享
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