Carbon dots coated with vitamin B12 as selective ratiometric nanosensor for phenolic carbofuran
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- 作者：Bruno B. CamposaAuthor Vitae ; Rafael Contreras-Cá ; ceresbAuthor Vitae ; Teresa J. BandoszcAuthor Vitae ; José ; Jimé ; nez-Jimé ; nezdAuthor Vitae ; Enrique Rodrí ; guez-Castelló ; ndAuthor Vitae ; Joaquim C.G. Esteves da SilvaaAuthor Vitae ; Manuel Algarrad ; malgarra67@gmail.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Carbon quantum dots ; Ratiometric sensor ; Energy transfer ; Phenolic carbamates ; Soy sauce
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：239
- 期：Complete
- 页码：553-561
- 全文大小：1440 K
文摘
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CQDs@VB12 were shown as a fluorescent sensors of phenolic carbofurans for the first time.
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The coating effect resulted in a dual emission at 417 and 550 nm.
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The sensor response is based on the fluorescence quenching by phenolic carboufuran.
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The detection limit toward carbofuran phenol 3-Keto pesticide is 12.2 μM.
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Good accuracy of detection when tested in soy sauces was found.