Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Effect of Ionic Liquid on Increased Surface Area Crystallization Process for Vancomycin

표면적이 증가된 반코마이신 결정화 공정에서 이온성 액체의 영향

  • Kim, Sung-Jae (Department of Chemical Engineering, Kongju National University) ;
  • Kim, Jin-Hyun (Department of Chemical Engineering, Kongju National University)
  • 김성재 (공주대학교 화학공학부) ;
  • 김진현 (공주대학교 화학공학부)
  • Received : 2014.07.14
  • Accepted : 2014.08.20
  • Published : 2014.09.28
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Abstract

We examined the effect of ionic liquid on the crystallization efficiency of vancomycin in an increased surface area crystallization with silica gel. The crystallization efficiency was improved by the addition of ionic liquid, [BMIm][$BF_4$]. The addition of ionic liquid (20%, v/v) on the increased surface area crystallization with silica gel dramatically reduced the crystallization time by 6 folds (4 h), compared with the results of the case where the surface area-increasing material and ionic liquid had not been added. In addition, the crystal size of vancomycin was decreased and the crystal quality of vancomycin was improved by increasing the addition of ionic liquid.

본 연구에서는 실리카겔을 이용한 반응액 부피당 표면적(surface area per volume of reaction solution)이 증가된 반코마이신 결정화 공정에서 이온성 액체의 영향을 조사하였다. 실리카겔로 표면적을 증가시킨 경우에 이온성 액체([BMIm][$BF_4$])를 접목하면 결정화 효율을 더욱 향상시킬 수 있었다. 실리카겔을 이용한 표면적이 증가된 결정화에서 이온성 액체(20%, v/v)를 첨가한 경우 결정화 4시간에 반코마이신 결정이 생성되었으며 실리카겔과 이온성 액체를 사용하지 않은 경우보다 결정화에 소요되는 시간을 6배 정도 단축시킬 수 있었다. 또한 이온성 액체 첨가량이 증가함에 따라 반코마이신 결정 입자크기가 감소할 뿐만 아니라 결정이 균일하고 일정해짐을 알 수 있었다.

Keywords

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