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- W4385741393 endingPage "801" @default.
- W4385741393 startingPage "801" @default.
- W4385741393 abstract "The colorimetric signal readout method is widely used in visualized analyses for its advantages, including visualization of test results, simple and fast operations, low detection cost and fast response time. Gold nanoparticles (Au NPs), which not only exhibit enzyme-like activity but also have the advantages of tunable localized surface plasmon resonance (LSPR), high stability, good biocompatibility and easily modified properties, provide excellent platforms for the construction of colorimetric sensors. They are widely used in environmental monitoring, biomedicine, the food industry and other fields. This review focuses on the chromogenic mechanisms of colorimetric sensors based on Au NPs adopting two different sensing strategies and summarizes significant advances in Au NP-based colorimetric sensing with enzyme-like activity and tunable LSPR characteristics. In addition, the sensing strategies based on the LSPR properties of Au NPs are classified into four modulation methods: aggregation, surface modification, deposition and etching, and the current status of visual detection of various analytes is discussed. Finally, the review further discusses the limitations of current Au NP-based detection strategies and the promising prospects of Au NPs as colorimetric sensors, guiding the design of novel colorimetric sensors." @default.
- W4385741393 created "2023-08-11" @default.
- W4385741393 creator A5049071926 @default.
- W4385741393 creator A5062377349 @default.
- W4385741393 creator A5080291223 @default.
- W4385741393 date "2023-08-10" @default.
- W4385741393 modified "2023-09-26" @default.
- W4385741393 title "Chromogenic Mechanisms of Colorimetric Sensors Based on Gold Nanoparticles" @default.
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