基于烷氧基链修饰芴的亲水性聚合物:水中Fe3+、Fe2+和Cu2+的新型荧光比色传感器

Journal of Macromolecular Science, Part A Pub Date : 2023-05-16 DOI:10.1080/10601325.2023.2210165

C. Ma, Zihan Ma, Ziyuan He, Xianjian Wang, Longhao Zhao, Xuegang Chen

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引用次数: 0

摘要

摘要以偶氮二异丁腈为原料，以丙烯酸(PAAF)或丙烯酰胺(PAMF)为原料，采用自由基聚合的方法，设计并合成了烷氧基链改性芴类新型亲水性聚合物。所有这些聚合物都是水溶性好的。利用紫外可见和荧光光谱技术研究了聚合物的光物理行为以及对探测金属离子的选择性和灵敏度，出现了肉眼可见的一些颜色变化。PAMF荧光探针对水中Fe3+ (2.4 × 10−7 mol/L)的检测具有良好的选择性和灵敏度，PAAF对水中Fe2+ (1.5 × 10−6 mol/L)和Cu2+ (5 × 10−7 mol/L)的检测具有良好的选择性和灵敏度。图形抽象

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A hydrophilic polymer based on alkoxyl chain modified fluorene: the novel fluorescence colorimetric sensor for Fe3+, Fe2+, and Cu2+ in aqueous media

Abstract Novel hydrophilic polymers consisting of fluorene modified by alkoxyl chain were designed and synthesized via radical polymerization from acrylic acid (PAAF) or acrylamide (PAMF) in the presence of azobisisobutyronitrile. All of these polymers were good water-soluble. The photophysical behaviors of the polymers and the selectivity and sensitivity to detection metal ions were studied by UV-visible and fluorescence spectroscopy technique, and some color changes were visible to the naked eye appeared. The PAMF fluorescent probe showed good selectivity and sensitivity to detection Fe3+ (2.4 × 10−7 mol/L) and PAAF exhibited good selectivity and sensitivity to detection Fe2+ (1.5 × 10−6 mol/L) and Cu2+ (5 × 10−7 mol/L) in water. Graphical Abstract

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来源期刊

Journal of Macromolecular Science, Part A

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