Korean Chemical Engineering Research

  • 제59권1호
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  • Pages.112-117
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  • 2021
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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다이타이로신 공유결합으로 자기조립된 펩타이드 나노입자의 합성

Synthesis of Self-Assembled Peptide Nanoparticles Based on Dityrosine Covalent Bonds

  • 허윤미 (경북대학교 의생명융합공학과) ;
  • 민경익 (경북대학교 의생명융합공학과)
  • Hur, Yun-Mi (Biomedical Convergence Science and Technology, Kyungpook National University) ;
  • Min, Kyoung-Ik (Biomedical Convergence Science and Technology, Kyungpook National University)
  • 투고 : 2020.10.13
  • 심사 : 2020.11.11
  • 발행 : 2021.01.25
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초록

본 연구에서는 생물학적 공유결합인 다이타이로신 결합을 모방하여 비가역적 공유결합을 기반으로 한 펩타이드의 자기조립 방법을 연구하였다. 고밀도의 다이타이로신 결합을 달성하기 위해 Tyr-Tyr-Leu-Tyr-Tyr (YYLYY) 의 서열을 갖는 펩타이드 단량체를 선택하였다. 다이타이로신 결합으로 자기조립 된 펩타이드 나노입자는 가시광선 하에서 Ru(BPY)3Cl2 촉매를 사용하여 단일공정 광가교를 통해 합성되었다. 펩타이드 나노 입자의 크기에 대한 각 성분의 농도 효과는 동적 광산란, UV-Vis 분광법 및 투과 전자 현미경을 사용하여 확인하였다. 이를 통해 130 nm~350 nm범위의 펩타이드 나노입자의 크기별 최적의 합성 조건을 제시하였다.

In this study, a method of self-assembly of peptides based on irreversible covalent bonds was studied by mimicking a biological covalent bond, dityrosine bond. A tyrosine-rich short peptide monomer having the sequence of Tyr-Tyr-Leu-Tyr-Tyr (YYLYY) was selected to achieve a high-density of dityrosine bond. The peptide nanoparticles covalently self-assembled with dityrosine bonds were synthesized by one-step photo-crosslinking of a peptide using a ruthenium catalyst under visible light. The effect of the concentration of each component for the size of the peptide nanoparticle was studied using dynamic light scattering, UV-Vis spectroscopy, and transmission electron microscopy. As a result, the synthesis conditions for size of the peptide nanoparticles ranging from 130 nm to 350 nm were optimized.

키워드

참고문헌

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