磁性纳米粒子
磁性纳米粒子（英语：magnetic nanoparticle）是一种可以使用磁场操控的纳米粒子。这种粒子一般是由两个部分组成，一个是磁性材料（常为铁、镍与钴），另一个是有功能的化学成分。纳米粒子的直径小于1微米（通常为1-100纳米），而较大的微珠（microbead）的直径为0.5-500微米。由若干个别磁性纳米粒子构成的团簇被称作磁性纳米珠（magnetic nanobead），直径为50-200纳米。[1][2]磁性纳米粒子的团簇是近一步组合成磁性纳米链的基础。[3]磁性纳米粒子最近已成为很多研究的焦点，这是因为它有一些具吸引力的性质，使它可能可以用于催化，例如基于纳米材料的催化、[4]生物医学[5]与组织特异靶向（tissue specific targeting）、[6]磁性可调胶体光子晶体、[7]微流控、[8]核磁共振成像、[9]磁性粒子成像、[10]储存装置、[11][12]环境整治、[13]奈流体、[14][15]滤光器、[16]缺陷感测器（defect sensor）、[17]磁冷却[18][19]与阳离子感测器。[20]
参考资料
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- ^ Chaudhary, V.; Chen, X.; Ramanujan, R.V. Iron and manganese based magnetocaloric materials for near room temperature thermal management. Progress in Materials Science. 2019, 100: 64–98. doi:10.1016/j.pmatsci.2018.09.005.
- ^ Philip, V. Mahendran; Felicia, Leona J. A Simple, In-Expensive and Ultrasensitive Magnetic Nanofluid Based Sensor for Detection of Cations, Ethanol and Ammonia. Journal of Nanofluids. 2013, 2 (2): 112–119. doi:10.1166/jon.2013.1050.
