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- W2886159864 abstract "Rapid, reliable, onsite approaches for detection trace level of trinitrotoluene (TNT) is a pressing necessity for both homeland security and environmental protection. To this end, hydrophilic amine(-NH2) protected [email protected] nanoparticles (NPs) were developed and fabricated as colorimetric paper sensor for delicate detection of TNT. The as-developed nanoprobe selectively reacts with TNT through classic Meisenheimer complex formation by means of charge transfer process from an electron-rich NH2 group of β-cysteamine to an electron-deficient nitro group on TNT. Due to the absence of this particular interaction of other nitroaromatics, the proposed probe is highly selective for TNT detection with a better linear range (0–20 μg/mL) and limit of detection (LOD) of 0.35 μg/mL. The present work provides a novel and facile strategy to fabricate colorimetric paper sensors with rapid and selective recognition ability for label free analysis of TNT." @default.
- W2886159864 created "2018-08-22" @default.
- W2886159864 creator A5024819274 @default.
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- W2886159864 date "2019-01-01" @default.
- W2886159864 modified "2023-10-17" @default.
- W2886159864 title "Colorimetric paper sensor for sensitive detection of explosive nitroaromatics based on Au@Ag nanoparticles" @default.
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- W2886159864 doi "https://doi.org/10.1016/j.saa.2018.07.095" @default.
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