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  • 제11권3호
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  • Pages.216-223
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  • 2010
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  • 1976-4251(pISSN)
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  • 2233-4998(eISSN)
한국탄소학회 (Korean Carbon Society)
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Tyrosinase-Immobilized Biosensor Based on Ionic Property-Modified MWNTs Prepared by Radiation-Induced Graft Polymerization

  • 투고 : 2010.07.26
  • 심사 : 2010.09.02
  • 발행 : 2010.09.30
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초록

Two-types of ionically modified multi-walled carbon nanotube (MWNTs) based sensors were developed by radiationinduced graft polymerization using vinyl monomers such as 3-(butyl imidazol)-2-(hydroxyl)propyl methyl methacrylate and 1-[(4-ethenylphenyl)methyl]-3-buthyl-imidazolium chloride with ionic properties, in aqueous solution at room temperature. Subsequently, the tyrosinase-immobilized biosensor was fabricated by a hand-casting of the ionic property-modified MWNTs, tyrosinase, and chitosan solution as a binder onto ITO glass surface. The sensing ranges of the tyrosinase-biosensor for phenol in phosphate buffer solution was in the range of 0.005~0.2 mM. The total phenolic compounds mainly such as caffeine of the tyrosinase-immobilized biosensor for commercial coffee were also determined.

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참고문헌

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피인용 문헌

  1. Polymer-copper-modified MWNTs by radiation-induced graft polymerization and their efficient adsorption of odorous gases vol.126, pp.S2, 2012, https://doi.org/10.1002/app.35453
  2. Immobilization as a Strategy for Improving Enzyme Properties-Application to Oxidoreductases vol.19, pp.7, 2014, https://doi.org/10.3390/molecules19078995
  3. Fabrication of a Microbial Biosensor Based on QD-MWNT Supports by a One-Step Radiation Reaction and Detection of Phenolic Compounds in Red Wines vol.11, pp.2, 2011, https://doi.org/10.3390/s110202001