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USE OF FUNCTIONAL NANOELECTRODES FOR INTRACELLULAR DELIVERY OF CHEMICAL AND BIOMOLECULAR SPECIES

机译:功能性纳米电极用于化学和生物分子物种的细胞内递送

摘要

The invention provides methods of controlled release of an agent into an intracellular environment of a biological cell using a needle nanoelectrode. The agent may be attached to an outer surface of the needle nanoelectrode through a linking molecule, wherein the attachment comprises an electroactive chemical bond. After penetrating a cellular membrane with the needle nanoelectrode to position at least a portion of the nanoelectrode in the intracellular environment, an electric potential may be applied to the needle nanoelectrode to break the electroactive chemical bond, thereby releasing the agent to the intracellular environment. The linking molecule may be a surface active organosulfur compound capable of forming a self- assembled monolayer on a metal surface of the nanoelectrode
机译:本发明提供了使用针纳米电极将试剂控制释放到生物细胞的细胞内环境中的方法。所述试剂可以通过连接分子连接至针状纳米电极的外表面,其中所述连接包括电活性化学键。在用针状纳米电极穿透细胞膜以将至少一部分纳米电极定位在细胞内环境中之后,可以向针状纳米电极施加电势以破坏电活性化学键,从而将试剂释放到细胞内环境中。连接分子可以是能够在纳米电极的金属表面上形成自组装单层的表面活性有机硫化合物。

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