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산화티타늄 나노 입자에 의한 실크 단백질 형광 증폭 연구Enhanced Fluorescence from Silk Protein with TiO 2 Scatters

Other Titles
Enhanced Fluorescence from Silk Protein with TiO 2 Scatters
Authors
즈하 라케시 쿠마르김성환
Issue Date
Feb-2024
Publisher
한국광학회
Keywords
Fluorescence enhancement; Green fluorescence protein; Scattering; Silk protein; 광 증폭; 녹색 형광 단백질; 산란; 실크 단백질
Citation
한국광학회지, v.35, no.1, pp 30 - 34
Pages
5
Indexed
ESCI
KCI
Journal Title
한국광학회지
Volume
35
Number
1
Start Page
30
End Page
34
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/211165
DOI
10.3807/KJOP.2024.35.1.030
ISSN
1225-6285
2287-321X
Abstract
실크 단백질과 녹색 형광 단백질을 결합한 순수 단백질 기반 녹색 형광체의 구현과, 산화티타늄 나노 입자에 의한 형광 증폭 현상을 보고한 다. 실크 단백질은 인간에게 다양한 이점을 제공하는 소재로서, 다양한 마이크로/나노 구조 형성 가능성과 투명한 성질을 가지고 있어 광학소 재로서의 활용 가능성 또한 높다. 본 연구에서 제작한 소재는 강한 녹색 형광을 띠고 있으며, 산화티타늄 나노 입자에 의해 녹색 형광이 7.5배 증폭되는 것을 확인하였다.
We report a purely protein-based platform for green fluorescence by mixing silk protein with green fluorescence protein, and also report its enhancement by the incorporation of TiO2 nanoparticles. The TiO2 nanoparticles employed have diameters of 100 and 300 nm, with a significant increase in fluorescence (by a factor of 7.5) observed when introducing 300-nm TiO2 nanoparticles. Furthermore, an increase in particle distribution density is found to enhance fluorescence amplification. These research findings suggest that protein-based fluorescent films can be enhanced by the characteristics of nanoparticles, opening up new possibilities in the fields of optics and fluorescence applications.
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