期刊
POLYMER CHEMISTRY
卷 6, 期 37, 页码 6720-6731出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5py00741k
关键词
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资金
- Hasselt University
- Research Foundation - Flanders (FWO)
- Science Policy Office of the Belgian Federal Government (BELSPO) [IAP 7/05]
- Agency for Innovation by Science and Technology in Flanders (IWT)
- Hercules
Poly(p-phenylene ethynylene) (PPE) copolymers with alternating alkoxy and azide-functionalized alkoxy side chains were efficiently synthesized via Sonogashira polymerization and the materials were fully characterized. Among the different synthetic protocols investigated, the best results were obtained when employing a pre-polymerization functionalization approach and upon implementing the azide-functionalized side chains on the diiodophenyl building block. End-capping of the conjugated polymer chains is shown to be essential for preventing side reactions. As a proof of principle, phenylacetylene is clicked in a nearly quantitative way on the polymer backbone. Furthermore, successful click-immobilization of randomly alkynylated protein A onto an azide-functionalized PPE film illustrates the potential use of these materials in a variety of (bio)sensor applications.
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