BSA-modified gold nanoclusters for sensing of folic acid
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- 作者：Bahram Hemmateenejada ; hemmatb@shirazu.ac.ir" class="auth_mail ; hemmatb@sums.ac.ir" class="auth_mailAuthor Vitae ; Fatemeh Shakerizadeh-shiraziaAuthor Vitae ; Fayezeh SamaribAuthor Vitae
- 关键词：Bovine serum albumin ; Gold nanoclusters ; Fluorescent sensor ; Folic acid
- 刊名：Sensors and Actuators B: Chemical
- 出版年：August 2014
- 年：2014
- 卷：199
- 期：Complete
- 页码：42-46
- 全文大小：708 K
文摘
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A simple, rapid and novel method for determination of folic acid (FA) has been suggested.
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FA quenches the fluorescence of BSA-modified gold nanoclusters.
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In pH of 7.4, the fluorescence quenching was fitted to Stern–Volmer equation.
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A linear range of 0.12–33.12 渭g mL−1 and detection limit of 18.3 ng mL−1 was achieved.