期刊
NEW JOURNAL OF CHEMISTRY
卷 40, 期 8, 页码 6706-6713出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nj00192k
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资金
- National Basic Research Program of China [2012CB720801]
- National Natural Science Foundation of China [21274045]
- Fundamental Research Funds for the Central Universities [2015ZZ037]
- Natural Science Foundation of Guangdong Province [2015A030313209, 2016A030311034]
A novel electron donor acceptor polymer (N1) containing diketopyrrolopyrrole as an electron acceptor and triphenylamine as an electron donor has been designed and synthesized. N1 is shown to possess the remarkable dual properties of solvatochromism and aggregation-induced emission (AIE). Importantly, N1 is found to serve as a fluorescence indicator for the qualitative and quantitative detection of low-level water in THF. Moreover, the quaternization of N1 by CH3I gave ammonium-salt P1. A selective fluorescence turn-on probe for bovine serum albumin (BSA) detection and quantification is developed by taking advantage of the aggregating process of P1. It is found that the intrinsic weak fluorescence of P1 in DMSO/PBS (1:1, v/v) increases to 2.9-fold after the addition of 50 mu M BSA through electrostatic complexation and hydrophobic interaction.
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