中山醫學大學機構典藏 CSMUIR:Item 310902500/24408
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    题名: Microwave Synthesis of Gold Nanoclusters with Garlic Extract Modifications for the Simple and Sensitive Detection of Lead Ions
    作者: Ryavanaki, L;Tsai, HY;Fuh, CB
    关键词: BSA-gold nanoclusters (BSA-AuNCs);garlic extract;lead ions
    日期: 2020
    上传时间: 2022-08-09T08:01:48Z (UTC)
    出版者: MDPI
    摘要: Novel bovine serum albumin (BSA)-gold nanoclusters with garlic extract modifications (mw_G-BSA-AuNCs) were prepared through microwave-assisted rapid synthesis. The modified nanoclusters were characterized and used for the simple and sensitive detection of Pb2+ ions. Both turn-on and turn-off methods were used and compared for Pb2+ ion detection. For Pb2+ ions, the preparation time for the modified nanoclusters was 10 min, and the detection time for the nanoclusters was 6 min. The modified nanoclusters were stable, and their fluorescence intensities changed by less than 10% in 60 days. The detection limit and linear range for the off-on method of mw_G-BSA-AuNCs for Pb2+ ion detection were 0.28 and 1-20 nM, respectively. The recoveries of the mw_G-BSA-AuNCs probe used for the detection of the Pb(II) ion in tap water ranged from 93.8% to 102.2%, with an average of 97.1%. The off-on method of mw_G-BSA-AuNCs can provide a lower detection limit, higher selectivity, and better recovery than the commonly used turn-off methods of mw_BSA-AuNCs for Pb2+ ion detection. The proposed method is superior to other methods proposed from 2018 to 2019 because it can provide a shorter preparation time and a lower detection limit with good selectivity. The microwave-assisted novel compound, mw_G-BSA-AuNCs, can be rapidly synthesized in a green manner and can provide a low detection limit, good selectivity, and a simple and fast reaction for Pb2+ ion detection.
    URI: http://dx.doi.org/10.3390/nano10010094
    https://www.webofscience.com/wos/woscc/full-record/WOS:000516825600094
    https://ir.csmu.edu.tw:8080/handle/310902500/24408
    關聯: NANOMATERIALS ,2020 ,v10 ,issue 1
    显示于类别:[中山醫學大學研究成果] 期刊論文

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