表面改性
赫拉
超顺磁性
纳米技术
生物相容性材料
活细胞
细胞质
磁性纳米粒子
细胞
膜
生物传感器
纳米颗粒
化学
生物物理学
人工细胞
材料科学
细胞生物学
生物医学工程
生物
生物化学
磁场
物理化学
物理
医学
量子力学
磁化
作者
Maria R. Dzamukova,Alsu I. Zamaleeva,Dilara G. Ishmuchametova,Yu. N. Osin,Andrey P. Kiyasov,Д. К. Нургалиев,О. N. Ilinskaya,Rawil Fakhrullin
出处
期刊:Langmuir
[American Chemical Society]
日期:2011-11-11
卷期号:27 (23): 14386-14393
被引量:67
摘要
Functionalized living cells are regarded as effective tools in directed cell delivery and tissue engineering. Here we report the facile functionalization of viable isolated HeLa cells with superparamagnetic cationic nanoparticles via a single-step biocompatible process. Nanoparticles are localized on the cellular membranes and do not penetrate into the cytoplasm. The magnetically responsive cells are viable and able to colonize and grow on substrates. Magnetically facilitated microorganization of functionalized cells into viable living clusters is demonstrated. We believe that the technique described here may find a number of potential applications in cell-based therapies and in development of whole-cell biosensors.
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