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- W2399752028 abstract "We have investigated the chemical synthesis of gelatin functionalized silver nanoparticles (AgNPs) and their physico-chemical characteristics for sensing of mercury (II) ions (Hg2+). Gelatin functionalized AgNPs were prepared by chemical reduction method. The colorimetric sensing of Hg2+ was carried out in three different phases including solution, hydrogel network and paper substrate. AgNPs tend to aggregate upon addition of Hg2+ and exhibit a color change from yellow to colorless due to aggregation of AgNPs and leads to the formation of Ag/Hg amalgam. This nanosensor probe exhibited good sensitivity for the detection of Hg2+ with detection limit of (LOD) 25 nM. In addition, we have studied the sensing of Hg2+ using disposable paper strips and 3D hydrogel matrix. In both cases, the sensor exhibits similar characteristics with respect to sensitivity and selectivity for Hg2+ detection under optimized conditions. This gelatin functionalized AgNPs probe is highly versatile and promising for various applications including sensor, antimicrobial coatings, catalysis and food monitoring." @default.
- W2399752028 created "2016-06-24" @default.
- W2399752028 creator A5082933119 @default.
- W2399752028 creator A5089150080 @default.
- W2399752028 date "2016-11-01" @default.
- W2399752028 modified "2023-10-14" @default.
- W2399752028 title "Functionalized silver nanoparticles probe for visual colorimetric sensing of mercury" @default.
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- W2399752028 doi "https://doi.org/10.1016/j.materresbull.2016.05.029" @default.
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