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Title: The coating of n[SiO1.5-(CH2)3(NH2)] ultrathin layers on the surface of Fe3O4 nanoparticles and the analysis of their coating dynamics
Authors: Zamora Iordache, Petrisor
Somoghi, Vasile
Petrea, Nicoleta
Mitru, Georgeta
Petre, Razvan
Dionezie, Bojin
Ordeanu, Viorel
Kim, Lidia
Mutihac, Lucia
Keywords: Fe3O4-SiO2-NH2 core-shell nanoparticle
Cross-linked molecule
Issue Date: 2008
Publisher: INOE : [Bucharest]
Abstract: This paper presents the unitary and controlled synthesis of nanostructures of the type Fe3O4-n[SiO1.5-(CH2)3(NH2)]-Snθ [Fe3O4 = magnetic core; n[SiO1.5-(CH2)3(NH2)] = coating layer; -NH2 = layer made up of groups which play an important part in biochemical interface; Snθ = exterior layer of biochemical cross-linked molecules]. The purpose of obtaining these nanostructures is to fix Fe3O4-n[SiO1.5-(CH2)3(NH2)]-Snθ on microorganism surface through covalent chemical bounds in order to determine them in magnetic field, as a function of the mass and volume of the microorganisms attached to the nanostructures. The nanocomposite materials with physical and chemical features induced in a controlled way in the basic physical structure in order to handle in a controlled manner the host structures, constitute a research field of current interest. The nanostructures we have drawn up are also important in fields connected to chemistry, such as: selective/unselective chemical separation, molecular macrocomplexes labeling, chemical/biological detection media and others.
Description: Optoelectronics and advanced materials - rapid communications Volume 2 Issue 8
ISSN: 1842-6573
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