Design of a near-infrared-triggered photo/thermal dual-responsive composite carrier with excellent biocompatibility for controllable drug release

被引:10
|
作者
Tian, Mengyuan [1 ]
Xin, Fuhua [1 ]
Gao, Yanjing [1 ]
Nie, Jun [2 ,3 ]
Sun, Fang [1 ,2 ,4 ]
机构
[1] Beijing Univ Chem Technol, Coll Chem, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing, Peoples R China
[3] Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing, Peoples R China
[4] Beijing Univ Chem Technol, Anqing Res Inst, Anqing, Peoples R China
基金
中国国家自然科学基金;
关键词
coumarin; drug release; dual-response; polydopamine; upconversion; NANOPARTICLES; ENCAPSULATION; DOPAMINE; NANOGELS; SIZE;
D O I
10.1002/app.52029
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A near-infrared (NIR)-triggered photo/thermal dual-responsive composite carrier (UCNPs-NG-PDA) was designed and fabricated by the incorporation of upconversion nanoparticles (UCNPs), coumarin-based photo/thermal-responsive nanogel (NG) with uniform particle size (193 nm) and polydopamine (PDA) particles. UCNPs-NG-PDA has good photothermal conversion capability because of the introduction of PDA. The light and heat dual-responsiveness of coumarin-based nanogels markedly enhances the drug release of UCNPs-NG-PDA. Under NIR irradiation for only 20 min, the final cumulative release reaches 79.4% and is much higher than that (58.8%) under UV irradiation. More remarkably, the UCNPs-NG-PDA exhibits an excellent biocompatibility and has fascinating application prospects in drug delivery fields.
引用
收藏
页数:10
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