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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la403577y
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|a eng
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|a Lin, Mouhong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Growth-dissolution-regrowth transitions of Fe3O4 nanoparticles as building blocks for 3D magnetic nanoparticle clusters under hydrothermal conditions
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|c 2013
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|a Text
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|a ƒaComputermedien
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|a Date Completed 24.07.2014
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|a Date Revised 19.11.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Magnetic nanoparticle clusters (MNCs) are a class of secondary structural materials that comprise chemically defined nanoparticles assembled into clusters of defined size. Herein, MNCs are fabricated through a one-pot solvothermal reaction featuring self-limiting assembly of building blocks and the controlled reorganization process. Such growth-dissolution-regrowth fabrication mechanism overcomes some limitations of conventional solvothermal fabrication methods with regard to restricted available feature size and structural complexity, which can be extended to other oxides (as long as one can be chelated by EDTA-2Na). Based on this method, the nanoparticle size of MNCs is tuned between 6.8 and 31.2 nm at a fixed cluster diameter of 120 nm, wherein the critical size for superparamagnetic-ferromagnetic transition is estimated from 13.5 to 15.7 nm. Control over the nature and secondary structure of MNCs gives an excellent model system to understand the nanoparticle size-dependent magnetic properties of MNCs. MNCs have potential applications in many different areas, while this work evaluates their cytotoxicity and Pb(2+) adsorption capacity as initial application study
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|a Journal Article
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|a Ferric Compounds
|2 NLM
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|a Magnetite Nanoparticles
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|a ferric oxide
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|a Huang, Haoliang
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|a Liu, Zuotao
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|a Liu, Yingju
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|a Ge, Junbin
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|a Fang, Yueping
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|t Langmuir : the ACS journal of surfaces and colloids
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|g 29(2013), 49 vom: 10. Dez., Seite 15433-41
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