Science of Emotion and Sensibility (감성과학)

Korean Society for Emotion and Sensibility (한국감성과학회)
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Fabrication of Electrospun Juniperus Chinensis Extracts loaded PVA Nanofibers

향나무 추출물을 함유하는 PVA 나노섬유 제조

  • Kim, Jeong-Hwa (Department of Clothing and Textiles, Chungnam National University) ;
  • Lee, Jung-Soon (Department of Clothing and Textiles, Chungnam National University)
  • 김정화 (충남대학교 생활과학대학 의류학과) ;
  • 이정순 (충남대학교 생활과학대학 의류학과)
  • Received : 2015.12.17
  • Accepted : 2016.05.02
  • Published : 2016.06.30
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Abstract

Electrospinning is a simple and effective process for producing nanofiber with diameter range from nanometers to micrometers which have high specific surface area. Hence, medicated nanofibers can be readily fabricated using a solution containing a mixture of a plant-extracts and a polymer. It has proved that Juniperus Chinensis can be effectively used for the prevention of UV and SLS-induced advers skin reaction such as radical production, inflammation and skin cell damage. It also found that Juniperus Chinensis has efficient ingredient of antifungal activity and house dust mite repellent effect. The fabrication of PVA nanofibers containing Juniperus Chinensis extracts by electrospinning has been studied. PVA/Juniperus Chinensis extracts composite nanofibers were produced at different Juniperus Chinensis concentrations (0.25, 0.5, 1.5 wt. %). The parameters of electrospinning including polymer contents, voltage and tip-to-collector distance (TCD) were optimized for fabrication process. The study show that 12 wt. % PVA, 10kV applied voltage and TCD 10~20 cm are the best condition to obtain uniform PVA/Juniperus Chinensis extracts composite nanofibers. Morphologies of the electrospun composite nanofiber were observed by using a field emission scanning electron microscope. It has been found that the average diameters of fibers increased by the adding of Juniperus Chinensis extracts. As the results, PVA/Juniperus Chinensis extracts composite nanofibers having a diameter in the range from 310~360 nm were successfully prepared via an electrospinning.

전기방사는 높은 비표면적을 가지는 마이크로~나노 단위 직경의 나노섬유를 생산하는 간단하고 효율적인 공정이다. 따라서 식물 추출물과 폴리머를 혼합한 방사용액으로 손쉽게 의료용 나노섬유의 제조가 가능하다. 향나무는 라디칼 생성, 화상, 세포손상과 같은 자외선과 SLS에 의한 피부손상을 방지하는데 효과적이라고 알려져 있다. 또한 방미효과와 함께 집먼지 진드기 방지 효과가 보고된 바 있다. 전기방사로 향나무 추출물을 함유하여 제조한 PVA 나노섬유를 연구하였다. 향나무 추출물의 서로 다른 농도(0.25, 0.5, 1.5 wt. %)를 함유하는 PVA/향나무 추출물 나노 복합섬유를 제조하였으며 방사용액의 농도, 인가전압, TCD 등의 전기방사 조건을 최적화 하였다. 연구결과 균일한 PVA/향나무 추출물 나노 복합섬유을 얻을 수 있는 최적 조건으로 PVA 농도는 12wt%, 인가전압은 10 Kv, TCD는 10~20 cm로 나타나났다. 제조된 전기방사 나노 복합섬유의 형태 및 미세구조를 SEM을 통해 관찰하였다. 향나무 추출물의 첨가에 의해 나노섬유의 직경이 증가하는 것으로 나타났다. 결과적으로 310~360 nm의 직경범위를 가지는 PVA/향나무 추출물 복합 나노섬유가 전기방사를 통해 성공적으로 얻어졌다.

Keywords

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