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学科主题: Chemistry
题名: A high-performance polyurethane sponge for the detection, adsorption and separation of Cu2+ ions
作者: Yu, Y ; Wang, JR ; Lian, JS ; Cheng, XJ
通讯作者: chxj606@163.com
刊名: RSC ADVANCES
发表日期: 2014
卷: 4, 期:35, 页:18222-18228
收录类别: sci
部门归属: [Yu, Yun ; Wang, Jianrui ; Cheng, Xinjian] South Cent Univ Nationalities, Sch Chem & Mat Sci, Wuhan 430074, Peoples R China ; [Lian, Jiansheng] Chinese Acad Sci, South China Sea Inst Oceanol, LMB, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LMB
资助者: National Natural Scientific Foundation of China [NSFC 41240026]; Guangdong Natural Science Foundation [S201210009845]
摘要: The simultaneous detection and separation of copper ions is important. In this study, a fluorescent chemosensor (a copper sensitive molecule), was prepared using 6-bromo-benzo[de]isochromene-1,3-dione as a precursor. The as-prepared fluorescent molecule contains a hydroxyl group and an aminoquinoline moiety. The hydroxyl group enables the fluorescent molecule to anchor to a porous polyurethane (PU) sponge. The chemosensors still retained their recognition ability after they were introduced to PU. Upon the addition of Cu2+ ions to the PU sponge, both the color and the fluorescence intensity changed, suggesting that the chemosensor-functionalized PU sponges could be used as a Cu2+ ion sensor. The copper ions could also accumulate and be enriched on the sponges. The adsorption capacity of the PU sponge (containing 2 wt% of the chemosensor) reached 97.26 mg g(-1), which was higher than that of the solid PU membranes (52.62 mg g(-1)). These polymeric, highly sensitive chemosensors may potentially be applied in the detection of water pollution generated by sources such as electroplating and drain outflow.
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WOS记录号: WOS:000335228700035
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10489
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Yu, Y; Wang, JR; Lian, JS; Cheng, XJ.A high-performance polyurethane sponge for the detection, adsorption and separation of Cu2+ ions,RSC ADVANCES,2014,4(35):18222-18228
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