二氧化硅-共聚物杂化荧光纳米材料用于动物活体成像 |
Silica-Copolymer Hybrid Nanocomposite for Animal Bioimaging |
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摘要: 以氧化硅(SiO2)前驱体与三嵌段共聚物F108合成较小粒径的SiO2-共聚物杂化纳米体系(SNP),并与高效近红外发射的疏水染料M507自组装,构建了近红外发光纳米探针M507@SNP。同时,研究了M507@SNP的光物理性能和细胞毒性。动物成像实验证明该纳米成像探针可实现活体层次高信噪比的小动物全身成像和前哨淋巴结的指示。 |
关键词: 杂化复合材料 荧光成像 空心二氧化硅粒子 近红外荧光染料 |
基金项目: 国家重点基础研究发展计划(No.2017YFA0205100)项目资助。 |
Abstract: Near-infrared nanometer probe (M507@SNP) is obtained by monomer self-assembly between silica precursor and triblock copolymer F108 and then doping hydrophobic near-infrared dye M507. The photophysical properties and cytotoxicity of M507@SNP are investigated. Furthermore, M507@SNP is used as a fluorescent nanoprobe for monitoring whole-body and sentinel lymph node of rodents with high signal-to-noise. |
Keywords: hybrid composite fluorescent bioimaging hollow silica nanoparticle near-infrared dye |
投稿时间:2018-05-14 修订日期:2018-09-05 |
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张泽芳,袁薇,徐明,易韬,张善端,李富友.二氧化硅-共聚物杂化荧光纳米材料用于动物活体成像[J].无机化学学报,2018,34(11):1943-1949. |
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