聚合物保护的银纳米簇荧光探针的制备及其对水杨醛的检测

doi:10.16039/j.cnki.cn22-1249.2018.01.015

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摘要水杨醛对呼吸道有刺激性，人体吸入后会引起咳嗽，胸闷等症状．本研究以聚乙烯亚胺保护的银纳
米簇(AgNCs@ PEI) 作为荧光探针，利用水杨醛与其形成希夫碱而使探针荧光猝灭的特性，实现对水杨
醛的检测．该银纳米簇荧光探针对水杨醛有良好的选择性，在水杨醛浓度为 25 ～ 500 μM 的区间内，荧光
强度的变化量( F₀－F) 与水杨醛的浓度呈现良好的线性关系( R²=0.991 8) ，其检测限为 0．32 μM．

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	尹建行
	袁亚晴
	徐娜

关键词: 银纳米簇水杨醛荧光探针

Abstract: Salicylic aldehyde is irritating for the respiratory tract， when inhaled it can cause cough， chest
tightness and other symptoms．We designed a fluorescent probe －-silver nanoclusters protected by polyethylene
amines ( AgNCs@ PEI) ．Basing on the formation of the Schiff base between salicylic aldehyde and AgNCs@
PEI，it can quench the fluorescence probe to achieve the detection of salicylic aldehyde． This fluorescence
probe has good selectivity toward salicylic aldehyde and a good linear relationship between 100 and 500 μM
( R² = 0．991 8) ．A detection limit of salicylic aldehyde is 0．32 μM by this probe．

Key words: ag nanoclusters schiff base salicylic aldehyde fluorescence probe

出版日期: 2018-01-25 发布日期: 2018-01-25 整期出版日期: 2018-01-25

O 657.32

引用本文:

尹建行, 袁亚晴, 徐娜. 聚合物保护的银纳米簇荧光探针的制备及其对水杨醛的检测[J]. 吉林化工学院学报, 2018, 35(1): 58-62.
YIN Jian-hang, YUAN Ya-qing, XU Na. Preparation of Silver Nanoparticle Fluorescence Probe with Polymer Protection and its Detection of Salicylic Aldehyde. Journal of Jilin Institute of Chemical Technology, 2018, 35(1): 58-62.

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https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2018.01.015 或 https://xuebao.jlict.edu.cn/CN/Y2018/V35/I1/58

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