聚(丙烯酰胺-共聚-苯并-18-冠-6丙烯酰胺)凝胶光栅构建及冠醚含量对铅离子检测性能的影响

田小玉1, 汪伟1,2, 谢锐1,2, 巨晓洁1,2, 刘壮1,2, 褚良银1,2,*

化工新型材料 ›› 2023, Vol. 51 ›› Issue (7) : 250 -253.

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化工新型材料 ›› 2023, Vol. 51 ›› Issue (7) : 250-253. DOI: 10.19817/j.cnki.issn1006-3536.2023.07.045
开发与应用

聚(丙烯酰胺-共聚-苯并-18-冠-6丙烯酰胺)凝胶光栅构建及冠醚含量对铅离子检测性能的影响

    田小玉1, 汪伟1,2, 谢锐1,2, 巨晓洁1,2, 刘壮1,2, 褚良银1,2,*
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Fabrication of poly(acrylamide-co-benzo-18-crown-6acrylamide) hydrogel grating and the effect of crown ether content on its Pb2+-detection performance

  • Tian Xiaoyu1, Wang Wei1,2, Xie Rui1,2, Ju Xiaojie1,2, Liu Zhuang1,2, Chu Liangyin1,2
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摘要

通过微接触复刻技术制备了具有优良Pb2+检测性能的聚(丙烯酰胺-共聚-苯并-18-冠-6丙烯酰胺)(PAB)凝胶光栅。该凝胶光栅的高度可随着溶液中Pb2+浓度的变化而变化。通过优化PAB凝胶光栅中的冠醚含量发现,当冠醚含量为20%(摩尔分数)时,凝胶光栅可展现出最佳的Pb2+检测性能。该PAB凝胶光栅可实现对水体中Pb2+的高灵敏、快速、高选择性和重复性检测,其检测限可低至10-9mol/L,响应时间仅为4min。因此,该凝胶光栅系统在灵敏快速地检测水体中Pb2+方面具有重要的应用前景。

Abstract

This work reported on the fabrication of poly(acrylamide-co-benzo-18-crown-6 acrylamide) (PAB) hydrogel grating with excellent Pb2+-detection performance via micro-contacting replication technique.The height of the PAB hydrogel grating varied upon the change of Pb2+concentrationin in aqueous solution.The results of optimization of crown ether contents showed that,with 20mol% crown ether,the hydrogel grating exhibited the optimal performance for Pb2+ detection.This PAB hydrogel grating could realize the highly-sensitive,rapid,highly-selective,and repeatable detection of Pb2+ in water,with a detection limit as low as 10-9mol/L and a detection time of only 4min.The hydrogel grating system was promising for sensitive and rapid detection of Pb2+ in water.

关键词

凝胶光栅 / 响应型水凝胶 / 铅离子检测 / 冠醚 / 高灵敏

Key words

hydrogel grating / responsive hydrogel / Pb2+ detection / crown ether / high sensitivity

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聚(丙烯酰胺-共聚-苯并-18-冠-6丙烯酰胺)凝胶光栅构建及冠醚含量对铅离子检测性能的影响[J]. 化工新型材料, 2023, 51(7): 250-253 DOI:10.19817/j.cnki.issn1006-3536.2023.07.045

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