A high-performance nanobio photocatalyst for targeted brain cancer therapy.
A high-performance nanobio photocatalyst for targeted brain cancer therapy.
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DOI:
10.1021/nl901610f
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发表时间:
2009-09
期刊:
影响因子:
10.8
通讯作者:
Rajh T
中科院分区:
文献类型:
--
作者:
Rozhkova EA;Ulasov I;Lai B;Dimitrijevic NM;Lesniak MS;Rajh T
We report pronounced and specific anti-glioblastoma cell phototoxicity of 5 nm TiO2 particles covalently tethered to an antibody via dihydroxybenzene bivalent linker. The linker application enables absorption of a visible part of solar spectrum by the nanobio hybrid. The phototoxicity is mediated by reactive oxygen species (ROS) that initiate cancer cell programmed cell death. Synchrotron X-Ray Fluorescence Microscopy (XFM) was applied for direct visualization of the nanobioconjugate distribution through a single brain cancer cell at the sub-micrometer scale.
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