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Controlled Release Behavior of pH-Responsive Composite Hydrogel Containing Activated Carbon
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  • Journal title : Carbon letters
  • Volume 10, Issue 1,  2009, pp.33-37
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2009.10.1.033
 Title & Authors
Controlled Release Behavior of pH-Responsive Composite Hydrogel Containing Activated Carbon
Yun, Ju-Mi; Im, Ji-Sun; Oh, Ae-Ri; Lee, Young-Seak; Kim, Hyung-Il;
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 Abstract
Activated carbon (AC) is one of the most effective adsorbents for organic compounds because of their extended surface area, high adsorption capacity, microporous structure and special surface reactivity. The composites of pH-sensitive hydrogel and activated carbon were prepared in order to improve the loading capacity of drug. The pH-sensitive hydrogel matrix swelled well in the basic condition to release the drug loaded in AC. The release of drug was controlled depending on both the pH due to the ionization of the carboxylic acid group and the AC due to the surface properties.
 Keywords
Drug delivery system;Controlled release;pH-Sensitive hydrogel;Activated carbon;
 Language
English
 Cited by
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