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http://dx.doi.org/10.5012/bkcs.2014.35.12.3583

Fabrication of Mesoporous Hollow TiO2 Microcapsules for Application as a DNA Separator  

Jeon, Sang Gweon (Department of Chemical Engineering, Inha University)
Yang, Jin Young (Department of Chemical Engineering, Inha University)
Park, Keun Woo (Department of Chemical Engineering, Inha University)
Kim, Geon-Joong (Department of Chemical Engineering, Inha University)
Publication Information
Bulletin of the Korean Chemical Society / v.35, no.12, 2014 , pp. 3583-3589 More about this Journal
Abstract
This study evaluated a simple and useful route to the synthesis of mesoporous $TiO_2$ microcapsules with a hollow macro-core structure. A hydrophilic precursor sol containing the surfactants in the hydrophobic solvents was deposited on PMMA polymer surfaces modified by non-thermal plasma to produce mesoporous shells after calcination. The surface of the PMMA polymer spheres was coated with $NH_4F$ and CTAB to control the interfacial properties and promote the subsequent deposition of inorganic sols. These hollow type mesoporous $TiO_2$ microcapsules could be applied as an efficient substrate for the immobilization of DNA oligonucleotides.
Keywords
$TiO_2$ microcapsule; DNA oligonucleotides; Hollow sphere; Mesoporous shell;
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