The multistage amplifying effect: A novel approach to dramatically increase the sensitivity of chemodosimeter
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- 作者：Zhijun RuanAuthor Vitae ; Luyi ZongAuthor Vitae ; Yuchen SongAuthor Vitae ; Jie HuAuthor Vitae ; Jin TuAuthor Vitae ; Jingui QinAuthor Vitae ; Zhen Li ; lizhen@whu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; lichemlab@163.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Multistage amplifying effect ; Relay strategy ; Mercury Ions ; Chemodosimeter ; Sensitivity
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：226
- 期：Complete
- 页码：211-217
- 全文大小：1535 K
文摘
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This sensor was designed according to a relay strategy with a multistage amplifying effect.
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Immediate color change from colorless to red purple could be observed via naked-eye.
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This sensor displayed high selectivity and sensitivity to Hg2+ ion.
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The detection limit of this probe was as low as 1 × 10−6 M by using as test strips.
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The mechanism of the sensing process was clearly revealed.