纳米材料
鱿鱼
纳米颗粒
磁性纳米粒子
纳米技术
磁强计
磁铁矿
化学工程
傅里叶变换红外光谱
材料科学
磁性纳米颗粒
胺气处理
表面改性
化学
有机化学
磁场
冶金
工程类
物理
生物
量子力学
生态学
作者
Leyu Wang,Jie Bao,Lun Wang,Fang Zhang,Yadong Li
标识
DOI:10.1002/chem.200501334
摘要
To demonstrate their applications in biological and medical fields such as in immunoassays, magnetic separation of cells or proteins, drug or gene delivery, and magnetic resonance imaging, the template-free syntheses of water-soluble and surface functionalized magnetic nanomaterials have become essential and are challenging. Herein, we developed a facile one-pot template-free method for the preparation of amine-functionalized magnetite nanoparticles and hollow nanospheres by using FeCl(3)6 H(2)O as single iron source. These magnetic nanomaterials were characterized by TEM, SEM, XRD, and FTIR technologies. Their magnetic properties were also studied by using a superconducting quantum interference device (SQUID) magnetometer at room temperature. Then the amine-functionalized magnetite nanoparticles were applied to immunoassays and magnetic resonance imaging in live mice.
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