One-pot bifunctionalization of silica nanoparticles conjugated with bioorthogonal linkers: application in dual-modal imaging
- Title
- One-pot bifunctionalization of silica nanoparticles conjugated with bioorthogonal linkers: application in dual-modal imaging
- Author
- 장광석
- Issue Date
- 2022-05
- Publisher
- Royal Society of Chemistry
- Citation
- Biomaterials Science, v. 10, NO. 13, Page. 3540.0-3546.0
- Abstract
- Covalent surface modification of silica nanoparticles (SNPs) offers great potential for the development of multimodal nanomaterials for biomedical applications. Herein, we report the synthesis of covalently conjugated bifunctional SNPs and their application to in vivo multimodal imaging. Bis(methallyl)silane 15 with cyclopropene and maleimide, designed as a stable bifunctional linker, was efficiently synthesized by traceless Staudiger ligation, and subsequently introduced onto the surface of monodispersed SNPs via Sc(OTf)(3)-catalyzed siloxane formation. The bifunctional linker-grafted SNP 20 underwent both thiol-conjugated addition and tetrazine cycloaddition in one pot. Finally, positron emission tomography/computed tomography and fluorescence imaging study of dual functional SNP [I-125]28 labeled with NIR dye and I-125 isotope showed a prolonged circulation in mice, which is conducive to the systemic delivery of therapeutics.
- URI
- https://pubs.rsc.org/en/content/articlelanding/2022/BM/D2BM00258Bhttps://repository.hanyang.ac.kr/handle/20.500.11754/180731
- ISSN
- 2047-4830;2047-4849
- DOI
- 10.1039/d2bm00258b
- Appears in Collections:
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > CHEMICAL AND MOLECULAR ENGINEERING(화학분자공학과) > Articles
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