Modification of polyfluorene nanoparticles via inclusion complexation based on cyclodextrin for lectin sensing and cell imaging

Modification of polyfluorene nanoparticles via inclusion complexation based on cyclodextrin for lectin sensing and cell imaging
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基于环糊精的包合络合修饰聚芴纳米粒子,用于凝集素传感和细胞成像

DOI:
10.1007/s11426-016-0117-5
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发表时间:
2016-11
影响因子:
9.6
通讯作者:
Jiang Ming
Jiang Ming
中科院分区:
化学1区
文献类型:
--
作者:
Sun Pengfei;Lin Mingchang;Chen Guosong;Jiang Ming

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目前,共轭聚合物纳米颗粒在生物学领域有着广泛的应用,特别是在生物成像和标记方面。因此,用不同的生物大分子对它们进行修饰就成为其应用前的关键步骤。在文献中,这种修饰通常通过共价键进行。据我们所知,基于包合络合的改性还没有报道。本文通过环糊精与金刚烷之间的主客体相互作用,成功地实现了对共轭聚芴纳米粒子的超分子修饰。该聚合物修饰的共轭聚合物纳米粒显示出与凝集素如Galectin-3的良好结合能力和对Hep G2细胞的选择性成像行为。
Currently, conjugated polymer nanoparticles are widely used with many biological applications, especially bio-imaging and labeling. Thus their modification with different biomacromolecules becomes a crucial step before various applications. In literature, this modification was normally performed via covalent bonds. To our best knowledge, modification based on inclusion complexation has not been reported. Herein, via host-guest interaction between cyclodextrin and adamantane, supramolecular modification to conjugated polyfluorene nanoparticles has been successfully achieved. The glycopolymer-modified conjugated polymer nanoparticles showed excellent binding ability to lectins, such as Galectin-3 and selective imaging behavior to Hep G2 cells.
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