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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Synthesis of Magnetic Nanoparticles Using Magnolia kobus Leaf Extract

목련잎 추출액을 이용한 자성 나노입자의 합성

  • Song, Jae-Yong (Department of Chemical Engineering, College of Engineering, Chungbuk National University) ;
  • Byun, Tae-Gang (Department of Pharmaceutics and Biotechnology, Konyang University) ;
  • Kim, Beom-Soo (Department of Chemical Engineering, College of Engineering, Chungbuk National University)
  • 송재용 (충북대학교 공과대학 화학공학과) ;
  • 변태강 (건양대학교 제약생명공학과) ;
  • 김범수 (충북대학교 공과대학 화학공학과)
  • Received : 2012.05.17
  • Accepted : 2012.06.12
  • Published : 2012.06.30
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Abstract

When iron oxide magnetic nanoparticles were synthesized by co-precipitation method using aqueous ammonia as reducing agent, the synthesized particles were aggregated and thus precipitation occurred. Using Magnolia kobus leaf extract as reducing agent, spherical nanoparticles of 50~200 nm were synthesized with low yield. By using both Magnolia kobus leaf extract and aqueous ammonia as reducing and stabilizing agents, smaller nanoparticles of 40~120 nm could be synthesized with various shapes. The synthesized magnetic nanoparticles were characterized with field emission transmission electron microscopy (FE-TEM) and scanning electron microscopy (SEM). TEM and SEM images showed that the magnetic nanoparticles are a mixture of triangles, tetragons, rods and spherical structures.

Keywords

References

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