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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 12
BKCSDE 35(12)
December 20, 2014 

Fabrication of Mesoporous Hollow TiO2 Microcapsules for Application as a DNA Separator
Sang Gweon Jeon, Jin Young Yang, Keun Woo Park, Geon-Joong Kim*
TiO2 microcapsule, DNA oligonucleotides, Hollow sphere, Mesoporous shell
This study evaluated a simple and useful route to the synthesis of mesoporous TiO2 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 NH4F and CTAB to control the interfacial properties and promote the subsequent deposition of inorganic sols. These hollow type mesoporous TiO2 microcapsules could be applied as an efficient substrate for the immobilization of DNA oligonucleotides.
3583 - 3589
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