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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2009, Volume 46, Issue 2,





PETRISOR ZAMORA IORDACHE, VASILE SOMOGHI, ION SAVU, NICOLETA PETREA, GEORGETA MITRU, RAZVAN PETRE, BOJIN DIONEZIE, VIOREL ORDEANU, ATENA HOTARANU, LUCIA MUTIHAC Biochemical Fixing and Activation Mechanisms of Amino Groups Deposited on the Surface and in the Depth of Polymeric Layers of the n[SiO1.5-(CH2)3NH2> Type Deposited on the Fe3O4 Nanoparticle Surface


Abstract:
This paper presents the synthesis of complex nanostructures of the Fe3O4-n(NH2)nd-(GL)ne type = coated layer; (NH2)nd,-NH2= surface and deep amino groups which play an important role in biochemical interfacing; (GL)ne= exterior superficial glutaraldehyde layer>. These nanostructures have several interesting physical and chemical characteristics, such as: biochemical fixing without destructing the microorganisms on the Fe3O4-n(NH2)nd-(GL)ne surface and the ability to differentiate the microorganisms in magnetic field, according to the mass and volume. In order to obtain superior biochemical fixing performances we have analysed and determined the chemical and physical distributional mechanisms of (NH2)nd, -NH2 groups on the surface and in the depth of the above-mentioned nanostructure. For this purpose we have deduced the control equations according to the synthesis parameters, which triggers the growth of the silicone polymer layer and the distribution of the amino groups in its structure. Keywords: Magnetite, coated nanoparticle, biochemical fixing, crosslinking molecules



Issue: 2009 Volume 46, Issue 2
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