排序方式: 共有220条查询结果,搜索用时 515 毫秒
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Peter Wick Anna E. Louw‐Gaume Melanie Kucki Harald F. Krug Kostas Kostarelos Bengt Fadeel Kenneth A. Dawson Anna Salvati Ester Vzquez Laura Ballerini Mauro Tretiach Fabio Benfenati Emmanuel Flahaut Laury Gauthier Maurizio Prato Alberto Bianco 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2014,126(30):7846-7850
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《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2017,129(44):13821-13824
Signal transfer is central to the controlled exchange of information in biology and advanced technologies. Therefore, the development of reliable, long‐range signal transfer systems for artificial nanoscale assemblies is of great scientific interest. We have designed such a system for the signal transfer between two connected DNA nanostructures, using the hybridization chain reaction (HCR). Two sets of metastable DNA hairpins, one of which is immobilized at specific points along tracks on DNA origami structures, are polymerized to form a continuous DNA duplex, which is visible using atomic force microscopy (AFM). Upon addition of a designed initiator, the initiation signal is efficiently transferred more than 200 nm from a specific location on one origami structure to an end point on another origami structure. The system shows no significant loss of signal when crossing from one nanostructure to another and, therefore, has the potential to be applied to larger multi‐component DNA assemblies. 相似文献
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