期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 60, 期 35, 页码 19222-19231出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202104709
关键词
bacterial killing; biopatterning; multicomponent polymerization; photodynamic therapy; polyelectrolytes
资金
- National Natural Science Foundation of China [21788102, 52003123]
- Research Grants Council of Hong Kong [16305320, 16304819, 16305618, C6009-17G, C6014-20W]
- Innovation and Technology Commission [ITC-CNERC14SC01, ITC.PD/17-9]
- National Key Research and Development program of China [2018YFE0190200]
- Science and Technology Plan of Shenzhen [JCYJ20170818113602462, JCYJ20180306174910791, JCYJ20170818113530705, JCYJ20180306180231853]
- National Science Foundation of Guangdong Province [2019B12120J002]
- Hong Kong PhD Fellowship Scheme [PF16-02667]
- Nankai University
The study introduced an efficient multicomponent polyannulation method to generate heteroaromatic hyperbranched polyelectrolytes with high molecular weights and tunable emission, suitable for fluorescent photopatterning applications. These polyelectrolytes also demonstrated strong capability to generate reactive oxygen species, enabling their use in efficient bacterial killing and customizable photodynamic patterning of living organisms in a simple and cost-effective manner.
We reported an efficient multicomponent polyannulation for in situ generation of heteroaromatic hyperbranched polyelectrolytes by using readily accessible internal diynes and low-cost, commercially available arylnitriles, NaSbF6, and H2O/AcOH. The polymers were obtained in excellent yields (up to 99%) with extraordinary high molecular weights (M-w up to 1.011 x 10(6)) and low polydispersity indices. The resulting polymers showed good processibility and high quantum yields with tunable emission in the solid state, making them ideal materials for highly ordered fluorescent photopatterning. These hyperbranched polyelectrolytes also possessed strong ability to generate reactive oxygen species, which allowed their applications in efficient bacterial killing and customizable photodynamic patterning of living organisms in a simple and cost-effective way.
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