Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effect of Polymers to Nano-emulsion Stability

나노에멀젼 안정성에 대한 폴리머의 영향

  • Cho, Wan-Goo (College of Alternative Medicine, Jeonju University) ;
  • Kim, Eun-Hee (College of Alternative Medicine, Jeonju University)
  • 조완구 (전주대학교 대체의학대학 기초의과학과) ;
  • 김은희 (전주대학교 대체의학대학 기초의과학과)
  • Received : 2013.04.22
  • Accepted : 2013.06.29
  • Published : 2013.06.30
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Abstract

Nano-emulsions are submicron sized emulsions that are under extensive investigation as drug carriers for improving the delivery of therapeutic agents. The aim of this research is to investigate the stability of nano-emulsions containing polymers. Nano-emulsions containing high concentrations of Carbopol 941, Aristoflex AVC, Aronbis M, Permulen TR 2 and Aculyn 44 were unstable compared with macroemulsions with polymers. The size of emulsion droplet manufactured by adding polymer before emulsification were larger than that of emulsion manufactured by adding polymer after the emulsification. The stability of nano-emulsion containing a low concentration of polymer was also decreased, however the effect was lower than that in the high concentration of polymer. Under similar viscosity of polymer, the sequence of unstability was Aristoflex AVC < Carbopol 941 < Permulen TR2 < Carbopol 941 + Aculyn 44 < Aronbis M.

나노에멀젼은 서브마이크론 크기의 에멀젼으로 치료 약물의 전달을 향상시키는 약물 전달체로서 많은 연구가 진행되고 있다. 본 연구의 목표는 폴리머를 함유한 나노에멀젼의 안정성에 대한 연구이다. 고농도의 Carbopol 941, Aristoflex AVC, Aronbis M, Permulen TR 2 및 Aculyn 44를 함유한 나노에멀젼의 안정성은 마크로에멀젼과는 다르게 불안정하였다. 폴리머를 유화 전에 첨가하여 제조한 에멀젼이 유화 후 폴리머를 첨가하여 제조한 에멀젼에 비해 초기 입자 크기가 더 크게 형성되었다. 저 농도의 폴리머를 함유한 경우에도 폴리머를 함유하지 않은 나노에멀젼에 비해 안정성이 감소하였으나 그 정도는 고농도에 비해 적었다. 점도가 유사한 경우 안정성에 미치는 순서는 Aristoflex AVC < Carbopol 941 < Permulen TR2 < Carbopol 941 + Aculyn 44 < Aronbis M의 순서로 불안정하였다.

Keywords

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