Photoresponsive Cyclodextrin-Covered Nanocontainers and Their Sol-Gel Transition Induced by Molecular Recognition
Photoresponsive Cyclodextrin-Covered Nanocontainers and Their Sol-Gel Transition Induced by Molecular Recognition
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DOI：
10.1002/anie.200803880
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发表时间：
2009-01-01
影响因子：
16.6
通讯作者：
Kim, Chulhee
中科院分区：
文献类型：
--
作者：
Park, Chiyoung;Lee, Kyuho;Kim, Chulhee
跳出陷阱：环糊精覆盖的介孔二氧化硅纳米粒子具有光致释放特性和分子识别诱导的溶胶-凝胶转变（见图）。在暴露于UV光后，通过去除CD“看门人”从孔中释放客体分子，所述CD“看门人”通过可光裂解的邻硝基苄基酯部分连接在二氧化硅纳米颗粒的表面上。
Springing the trap: Cyclodextrin‐covered mesoporous silica nanoparticles with photocleavable linkers exhibit photoinduced release characteristics and a sol–gel transition that is induced by molecular recognition (see picture). Upon exposure to UV light, the guest molecules were released from the pore by removal of the CD “gatekeeper”, which was linked on the surface of the silica nanoparticle through a photocleavableo‐nitrobenzyl ester moiety.