1) Magnetic nanoparticle
磁纳米粒子
2) Magnetic nanoparticles
磁性纳米粒子
1.
Linking between the magnetic nanoparticles and the streptoavidin and its application;
磁性纳米粒子与链霉亲和素的连接及初步应用
2.
Iron oxide magnetic nanoparticles with biocompatibility and functional coatings via appropriate surface chemistry approaches have been used for immobilization of cells,proteins,enzymes,antibodies,oligonucleotides and drugs through covalent bonding or adsorption.
氧化铁磁性纳米粒子通过表面化学修饰得到无机、有机或聚合物壳包覆在其表面。
3.
Mn-Zn ferrite magnetic nanoparticles(MZF-NPs),obtained from modified co-precipitation method,were surface-modified by polyethylenimine(PEI).
以可自动恒温控温的锰锌铁氧体磁性纳米粒子(MZF-NPs)为核心,在其表面修饰聚乙烯亚胺(PEI)以制备一种新型纳米基因载体。
3) magnetite nanoparticles
磁性Fe3O4纳米粒子
1.
Magnetic Fe3O4 nanoparticles around 30 nm were prepared using modified chemical co-precipitation,and corresponding thiolated magnetite nanoparticles are also obtained via surface mercaptopropyltriethoxysilane(MPTES) modification.
通过化学共沉淀法制备了粒径约30nm的磁性四氧化三铁(Fe3O4)纳米粒子,并采用3-巯丙基三乙氧基硅烷(MPTES)将Fe3O4纳米粒子表面修饰上巯基(-SH)官能团,获得了表面巯基化的磁性Fe3O4纳米粒子。
2.
Magnetic Fe_3O_4 nanoparticles of 25±5 nm are prepared by modified chemical co-precipitation,and corresponding amino-coated magnetite nanoparticles are also obtained via surface 3-aminopropyltriethyloxy silane(APTES) modification.
采用化学共沉淀法制备了约25±5 nm磁性四氧化三铁(Fe3O4)纳米粒子,并采用3-氨丙基三乙氧基硅烷(APTES)将Fe3O4纳米粒子表面修饰上氨基(-NH2)官能团,获得了表面氨基化的磁性Fe3O4纳米粒子。
4) Pt_3Co magnetic nanoparticle
Pt_3Co磁性纳米粒子
5) magnetic nanoparticles
纳米磁性粒子
1.
Quantitative studies is reported on the percentage change in the number of cells as a function of concentration of magnetic nanoparticles, citrate-coated iron oxide nanoparticles.
细胞与纳米磁性粒子在 37℃及 5% CO2 气氛中培养 24 小时。
2.
Like magnetic microspheres, magnetic nanoparticles possess both functional groups on the surface and superparamagnetic phenomena.
纳米磁性粒子(magnetic nanoparticles,MNPs)是以磁性Fe_3O_4或γ-Fe_2O_3等为晶核,高分子基质或表面活性剂为壳经包被或包埋而形成的一种新型复合功能材料。
6) Fe_3O_4 magnetic nanoparticles
Fe3O4磁性纳米粒子
1.
Fe_3O_4 magnetic nanoparticles have been widely used in biomedical applications such as magnetic resonance imaging contrast reagent,tissue repair,immunoassay,hyperthermia,drug delivery and cell separation,etc.
首先通过化学处理在Fe3O4磁性纳米粒子表面引入Si—H键,然后通过选择性的硅氢加成反应制备了一个端基带溴的磁性引发剂,并利用原子转移自由基聚合(ATRP)技术,在该磁性引发剂表面接枝了聚丙烯酰胺高分子,该聚丙烯酰胺高分子展现出分子量高度可控性和窄的分子量分布。
2.
Fe_3O_4 magnetic nanoparticles with mean diameter of about 20 nm were first prepared by a precipitation method with ferric chloride as starting material,which was partially reduced to ferrous salts by Na_2SO_3 before alkalinizing with ammonia.
通过硅烷偶联剂与Fe3O4磁性纳米粒子偶合在其表面引入C C端基,进一步与N-乙烯基吡咯烷酮(NVP)加成聚合制备含端羟基PVP包裹的磁体,再引发丙交酯(LA)开环聚合制得PVP-b-PLA修饰的Fe3O4纳米粒子。
补充资料:磁铅石型旋磁铁氧体
分子式:
CAS号:
性质:晶体结构和天然磁铅石Pb(Fe7.5Mn3.5A10.5Ti0.5)19类似的铁氧体称为磁铅石型铁氧体。其结构对称性较尖晶石型的为低。其中晶体具有各向异性大、矫顽力高的六角晶系铁氧体,称为磁铅石型微波铁氧体。主要有M型(BaFe12O19)和W型(BaM2+2Fel6O27),M为锰、钴、镍、锌、镁等二价金属离子。通过离子代换部分Ba2+,可获得BaO-MO-Fe2O3三元系的磁铅石型复合铁氧体,并可使各向异性场在一定范围内变化。制造方法可用一般磁性瓷生产工艺,热压烧结或气氛烧结制成。用于微波频段,可制成隔离器、相移器、调制器、环行器等线性器件和倍频器、限幅器、振荡器、混频器、参量放大器等非线性器件。是发展现代微波技术的重要材料。
CAS号:
性质:晶体结构和天然磁铅石Pb(Fe7.5Mn3.5A10.5Ti0.5)19类似的铁氧体称为磁铅石型铁氧体。其结构对称性较尖晶石型的为低。其中晶体具有各向异性大、矫顽力高的六角晶系铁氧体,称为磁铅石型微波铁氧体。主要有M型(BaFe12O19)和W型(BaM2+2Fel6O27),M为锰、钴、镍、锌、镁等二价金属离子。通过离子代换部分Ba2+,可获得BaO-MO-Fe2O3三元系的磁铅石型复合铁氧体,并可使各向异性场在一定范围内变化。制造方法可用一般磁性瓷生产工艺,热压烧结或气氛烧结制成。用于微波频段,可制成隔离器、相移器、调制器、环行器等线性器件和倍频器、限幅器、振荡器、混频器、参量放大器等非线性器件。是发展现代微波技术的重要材料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条