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Optically absorbing nanoparticle mediated cell membrane permeabilization

机译:光学吸收纳米粒子介导的细胞膜通透性

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摘要

Membrane permeabilization is imperative for gene and drug delivery systems, along with other cell manipulation methods, since the average eukaryotic cell membrane is not permeable to polar and large nonpolar molecules. Antibody conjugated optically absorbing gold nanospheres are targeted to the cell membrane of T47D breast cancer cell line and irradiated with 5 ns pulse, 20 Hz, 532 nm light to increase membrane permeability. Up to 90% permeabilization with less than 6% death is reported at radiant exposures up to 10 times lower than those of other comparable studies.
机译:膜通透性对于基因和药物传递系统以及其他细胞操作方法至关重要,因为普通的真核细胞膜不能渗透极性和较大的非极性分子。抗体偶联的光学吸收金纳米球靶向T47D乳腺癌细胞系的细胞膜,并用5 ns脉冲,20 Hz,532 nm的光照射以增加膜的通透性。据报道,在辐射照射下,高达90%的通透性和少于6%的死亡是其他同类研究的10倍。

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