Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Study on the characteristics and biodegradable of synthetic PLGA membrane from lactic acid and glycolic acid

젖산 및 글리콜산에서 합성된 PLGA 멤브레인의 특성과 생분해성에 관한 연구

  • Received : 2014.12.27
  • Accepted : 2015.04.09
  • Published : 2015.04.30
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Abstract

The PLGA(Poly lactide-co-glycolide) Copolymer have been actively applied to the medical implant material as biomaterials. PLGA membrane was able to alveoloplasty with osteotomy for favorable degradation characteristics and possibilities for sustained drug delivery. In this study, PLGA membrane was prepared using phase inversion method, and examined to optical method analysis(NMR, IR), mechanical property measurement (tearing strength) and thermal characteristic analysis(DSC). In addition, the biodegradation characteristics of the PLGA membrane filled with a PBS(Phosphate Buffered Solution) of the water bath ($60^{\circ}C$) according to the degree of surface degradation in the degradation time, the pH change of the solution and change of the mass of the membrane were measured.

공중합체인 PLGA는 생분해성 고분자로서 의료용 이식재료로 사용되고 있으며, 이를 이용한 멤브레인은 양호한 생분해 특성 및 지속적 약물 전달체로서 치조골 유도제로 적용할 수 있다. 본 연구는 락티드, 글리콜리드 합성 및 공중합과정을 거쳐 상전이법을 이용하여 PLGA 멤브레인을 제조하였으며, 멤브레인의 광학적(NMR, IR), 기계적(인장강도), 열적(DSC)특성을 조사하였다. 또한 PLGA 멤브레인의 생분해 특성은 PBS (Phosphate Buffered Solution)이 담긴 항온조($60^{\circ}C$) 내에서 분해시간에 따른 표면분해 정도, 멤브레인의 질량변화 및 용액의 pH 변화로 측정하였다.

Keywords

References

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