| 基于苯并吲哚的荧光探针对Al3+的识别及应用 |
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| 引用本文： | 张莹莹,王丽艳,赵冰,宋波.基于苯并吲哚的荧光探针对Al3+的识别及应用[J].应用化学,2020,37(1):88-95. |
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| 作者姓名： | 张莹莹 王丽艳 赵冰 宋波 |
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| 作者单位： | 齐齐哈尔大学化学与化学工程学院 黑龙江 齐齐哈尔 161006 |
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| 基金项目： | 黑龙江省科学基金留学归国人员科学基金(LC2017004);黑龙江省教育厅基本科研业务专项(135209209)’’黑龙江省自然科学基金联合引导项目(LH2019B021)资助~~ |
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| 摘 要： | 设计合成了一种结构简单且基于苯并吲哚衍生物的荧光探针(H),通过紫外-可见吸收光谱(UV-Vis)和荧光发射光谱研究了荧光探针H对金属阳离子的识别性能。 结果表明,在乙醇(EtOH)和4-羟乙基哌嗪乙磺酸(HEPES)缓冲液(pH=7.4) (体积比为1:1)的混合溶液体系中,荧光探针H对Al3+有专一性识别且不受其它金属阳离子干扰。 探针H与Al3+的配合比为1:1,配合常数Ka为0.52×102 mol/L,检测限为1.75 μmol/L。 探针通过荧光发射光谱对水样及食品中的Al3+进行了定量检测,具有一定实际应用价值。
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| 关 键 词： | 荧光探针 水样 苯并吲哚 Al3+ |
| 收稿时间： | 2019-06-27 |
A Benzoindole-Based Probe for Recognition of Al3+ and Its Application |
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| ZHANG Yingying,WANG Liyan,ZHAO Bing,SONG Bo.A Benzoindole-Based Probe for Recognition of Al3+ and Its Application[J].Chinese Journal of Applied Chemistry,2020,37(1):88-95. |
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| Authors: | ZHANG Yingying WANG Liyan ZHAO Bing SONG Bo |
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| Institution: | College of Chemistry and Chemical Engineering,Qiqihar University,Qiqihar,Heilongjiang 161006,China |
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| Abstract: | A simple fluorescence probe based on benzoindole(H)was designed and synthesized.The recognition performance of the probe for metal cations was studied by ultraviolet-visible absorption spectrophotometry(UV-Vis)and fluorescence emission spectra.The results show that probe H in the mixed system of ethanol(EtOH)and 4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid(HEPES)(pH=7.4)(volume ratio 1∶1)has specific recognition of Al 3+and is not impacted by other metal cations.The complex ratio of probe H and Al 3+is 1∶1,the association constant K a is 0.52×10^2 mol/L and the detection limit is 1.75μmol/L.The quantitative detection of Al^3+ in water and food samples proves that the probe has potential applications. |
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| Keywords: | fluorescence probe water sample benzoindole Al^3+ |
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