Magnetic nanoparticle is a composite particle that composed of magneticmetal or oxide with magnetic responsive property.
纳米磁性颗粒是指含有磁性金属或金属氧化物的超细粉末而具有磁响应性的纳米级粒子，它不仅具有一般纳米材料特有的小尺寸效应、量子效应，更重要的是它具有的独特的超顺磁性能。
参考来源 - 纳米磁性颗粒的氨基硅烷改性及蛋白吸附性能研究The results showed that the mass percent of N in magnetic particle enhanced by PAMAM was increased obviously. It proved that PAMAM was coupled with magnetic particle, which provided more NH_2 active group for magnetic particle.
实验结果表明：经过PAMAM增强过的磁性颗粒的N元素的质量分数有明显的提高，证明PAMAM树枝状大分子与磁性颗粒发生偶联，为磁性颗粒提供了更多的胺基活性基团。
参考来源 - 树枝状大分子复合磁性颗粒的制备与表征·2,447,543篇论文数据，部分数据来源于NoteExpress
当然，磁性颗粒本身也能产生磁场并影响它周围的局部区域。
Of course, magnetic particles themselves generate a magnetic field and influence the local area around them.
这些磁性颗粒不仅作为转运的工具，而且是用于MRI的对比剂。
The magnetic particles not only act as an aide for transport, they are also a contrast agent for MRI.
功能纳米复合材料的种类很多，其中磁性颗粒固体近年来被国内外广为研究。
Function nanocomposites have many sorts, one of which is referred to magnetic granular solids and is studied widely recently.
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