Fe3O4@organic@Au: core-shell nanocomposites with high saturation magnetisation as magnetoplasmonic MRI contrast agents

被引:71
作者
Smolensky, Eric D. [1 ]
Neary, Michelle C. [1 ]
Zhou, Yue [1 ]
Berquo, Thelma S. [1 ]
Pierre, Valerie C. [1 ]
机构
[1] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA
基金
美国国家科学基金会;
关键词
IRON-OXIDE NANOPARTICLES; SIZE;
D O I
10.1039/c0cc03746j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis and characterization of core-shell Fe3O4@organic@Au nanoparticles displaying plasmonic behavior, high magnetism, and high relaxivity is presented. The incorporation of a thin organic layer between the two metals is crucial in maintaining the saturation magnetisation of the superparamagnetic core.
引用
收藏
页码:2149 / 2151
页数:3
相关论文
共 23 条
  • [1] Multifunctional Magnetoplasmonic Nanoparticle Assemblies for Cancer Therapy and Diagnostics (Theranostics)
    Chen, Wei
    Xu, Naifeng
    Xu, Liguang
    Wang, Libing
    Li, Zuokun
    Ma, Wei
    Zhu, Yingyue
    Xu, Chuanlai
    Kotov, Nicholas A.
    [J]. MACROMOLECULAR RAPID COMMUNICATIONS, 2010, 31 (02) : 228 - 236
  • [2] Synthesis and characterization of cobalt/gold bimetallic nanoparticles
    Cheng, Guangjun
    Walker, Angela R. Hight
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2007, 311 (01) : 31 - 35
  • [3] Chenjie X., 2008, Angew. Chem., V47, P173
  • [4] Synthesis of monodisperse FeAu nanoparticles with tunable magnetic and optical properties
    Chiang, I-Chen
    Chen, Dong-Hwang
    [J]. ADVANCED FUNCTIONAL MATERIALS, 2007, 17 (08) : 1311 - 1316
  • [5] Gold nanoparticles: Assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology
    Daniel, MC
    Astruc, D
    [J]. CHEMICAL REVIEWS, 2004, 104 (01) : 293 - 346
  • [6] Coupling agent effect on magnetic properties of functionalized magnetite-based nanoparticles
    Daou, T. J.
    Greneche, J. M.
    Pourroy, G.
    Buathong, S.
    Derory, A.
    Ulhaq-Bouillet, C.
    Donnio, B.
    Guillon, D.
    Begin-Colin, S.
    [J]. CHEMISTRY OF MATERIALS, 2008, 20 (18) : 5869 - 5875
  • [7] Herea DD, 2008, OPTOELECTRON ADV MAT, V2, P549
  • [8] Magnetic iron oxide nanoparticles: Synthesis, stabilization, vectorization, physicochemical characterizations, and biological applications
    Laurent, Sophie
    Forge, Delphine
    Port, Marc
    Roch, Alain
    Robic, Caroline
    Elst, Luce Vander
    Muller, Robert N.
    [J]. CHEMICAL REVIEWS, 2008, 108 (06) : 2064 - 2110
  • [9] Synthesis and characterization of composite nanoparticles comprised of gold shell and magnetic core/cores
    Lu, QH
    Yao, KL
    Xi, D
    Liu, ZL
    Luo, XP
    Ning, Q
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2006, 301 (01) : 44 - 49
  • [10] Gold-Based Magneto/Optical Nanostructures: Challenges for In Vivo Applications in Cancer Diagnostics and Therapy
    Melancon, Marites P.
    Lu, Wei
    Li, Chun
    [J]. MRS BULLETIN, 2009, 34 (06) : 415 - 421