Bulletin of the Korean Chemical Society

  • 제35권12호
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  • Pages.3583-3589
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  • 2014
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Fabrication of Mesoporous Hollow TiO2 Microcapsules for Application as a DNA Separator

  • 투고 : 2014.08.07
  • 심사 : 2014.08.25
  • 발행 : 2014.12.20
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초록

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.

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