期刊
REACTIVE & FUNCTIONAL POLYMERS
卷 108, 期 -, 页码 47-53出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.reactfunctpolym.2016.05.004
关键词
Tetraphenylthiophene; Atom transfer radical polymerization; Aggregation-induced emission; Hydrogen bond
资金
- Ministry of Science and Technology, Taiwan [NSC 102-2221-E-110-084-MY3, 104-2221-E-110 -050]
Amphiphilic poly(acrylic acid) terminated with tetraphenylthiophene (TP) was prepared by atom transfer radical polymerization (ATRP) of t-butyl acrylate monomer, initiated by amino-functionalized TP, and the following by acid-catalyzed hydrolysis. With the hydrophobic TP terminal, a fluorophore with aggregation-induced emission (AIE) property, and the hydrophilic polymeric chain, the resulting polymer of TP-PAA is amphiphilic and self-assembled, through preferable hydrogen bond interactions among the carboxylic acid pedants, in water to form aggregates with strong AIE-related emission. The convenient dispersion of TP-PAA aggregates in water facilitated its applications as fluorescent sensor for pH value and for the natural protein of bovine serum albumin (BSA). Fluorescence variations in term of aggregation level of the TP terminals in different environments will be discussed in this study. (C) 2016 Elsevier B.V. All rights reserved.
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