Facile synthesis of folic acid-conjugated fluorapatite nanocrystals for targeted cancer cell fluorescence imaging

被引:6
作者
Xu, Jun [1 ,2 ]
Shen, Xiaoke [1 ]
Jia, Lei [1 ,2 ]
Xu, Zhouqing [1 ]
Zhou, Tao [1 ]
Li, Xiaohui [1 ]
Ma, Tieliang [2 ]
Li, Huijun [1 ]
Wang, Yuan [1 ]
Zhu, Taofeng [3 ]
机构
[1] Henan Polytech Univ, Coll Chem & Chem Engn, Jiaozuo 454000, Peoples R China
[2] Collaborat Innovat Ctr Coal Work Safety, 2001 Shiji Rd, Jiaozuo 454000, Henan, Peoples R China
[3] Jiangsu Univ, Affiliated Yixing Hosp, Yixing, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Biomaterials; Functional; Luminescence; Nanocomposites; Sensors; FOLATE-RECEPTOR; QUANTUM DOTS; PRECIPITATION; NANOPARTICLES;
D O I
10.1016/j.matlet.2017.05.102
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Bioluminescent calcium fluorapatite nanocrystals (TCaFAp: Eu) with controlled morphology were fabricated through an easy one-step method and found to have excellent water dispersibility and biocompatibility. Further modification of conjugation with both optical imaging and cell targeting capabilities provided useful nanoprobes for highly sensitive biorecognition applications, which was realized by grafting folic acid onto the surface of TCaFAp: Eu. The uptake of designed TCaFAp: Eu-FA by HepG2 cancer cells was verified by confocal laser scanning microscopy after 30 min, whereas the uptake of TCaFAp: Eu-FA by MCF-7 cells did not work, indicating that the prepared nanoprobe effectively targeted the imaging of cancer cells with over-expression of folate receptor. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:37 / 41
页数:5
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