Smartphone-Assisted Film Fluorescent Sensor for Quantitative and Visual Detection of Fluoride Ions.

IF 3.3 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Xinyu Ma, Wen Sun, Feng Gao, Yong Sun, Huie Jiang, Jie Jiang, Weisheng Liu
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引用次数: 0

Abstract

Film-based fluorescent sensor DIP@CP was developed by incorporating the organic fluorophore DIP into a chitosan-polyvinyl alcohol (CS-PVA, CP) composite film. The sensor enabled selective and quantitative fluoride ion detection through dual-mode colorimetric and ratiometric fluorescent responses, facilitated by DIP's favorable photophysical properties including near-infrared emission and large Stokes shift (>139 nm), which effectively reduced background interference. The detection mechanism relied on a specific F--triggered Si-O cleavage, ensuring high selectivity. The composite film design enhanced portability for field applications, whereas integration with smartphone technology allowed for visual F- detection by RGB analysis. Practical applications were successfully demonstrated in monitoring fluoride levels in diverse real-world samples, including water and commercial toothpaste samples.

用于氟离子定量和视觉检测的智能手机辅助薄膜荧光传感器。
将有机荧光团DIP加入壳聚糖-聚乙烯醇(CS-PVA, CP)复合薄膜中,开发了薄膜荧光传感器DIP@CP。该传感器通过双模比色和比例荧光响应实现了选择性和定量的氟离子检测,这得益于DIP良好的光物理特性,包括近红外发射和大斯托克斯位移(>139 nm),有效地减少了背景干扰。检测机制依赖于特定的F触发Si-O裂解,确保高选择性。复合薄膜设计增强了现场应用的便携性,而与智能手机技术的集成允许通过RGB分析进行视觉F检测。在监测各种实际样品(包括水和商业牙膏样品)中的氟化物水平方面,成功地展示了实际应用。
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来源期刊
Chemistry - An Asian Journal
Chemistry - An Asian Journal 化学-化学综合
CiteScore
7.00
自引率
2.40%
发文量
535
审稿时长
1.3 months
期刊介绍: Chemistry—An Asian Journal is an international high-impact journal for chemistry in its broadest sense. The journal covers all aspects of chemistry from biochemistry through organic and inorganic chemistry to physical chemistry, including interdisciplinary topics. Chemistry—An Asian Journal publishes Full Papers, Communications, and Focus Reviews. A professional editorial team headed by Dr. Theresa Kueckmann and an Editorial Board (headed by Professor Susumu Kitagawa) ensure the highest quality of the peer-review process, the contents and the production of the journal. Chemistry—An Asian Journal is published on behalf of the Asian Chemical Editorial Society (ACES), an association of numerous Asian chemical societies, and supported by the Gesellschaft Deutscher Chemiker (GDCh, German Chemical Society), ChemPubSoc Europe, and the Federation of Asian Chemical Societies (FACS).
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