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- W3118839134 abstract "In this work, we report the synthesis of silver nanoparticles (AgNPs) via a wet-chemical reduction procedure using citrate (Cit) and γ-aminobutyric acid (GABA) as stabilizers. The formation of [email protected] was confirmed by UV–vis spectroscopy with a surface plasmon resonance band at 393 nm clearly confirming the formation of silver nanoparticles. AgNPs were characterized using UV–vis spectroscopy, attenuated total reflectance-fourier transform infrared spectroscopy (ATR-FTIR), transmission electron microscope (TEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), dynamic light scattering (DLS), and zeta potential. The as-prepared AgNPs can be used for the detection of hazardous mercury ions (Hg2+) in water by colorimetric method with a limit of detection (LOD) and limit of quantitation (LOQ) of 2.37 μM and 3.99 μM, respectively. The linear working range for Hg2+ detection is 5–35 μM and the sensor probe was applied to investigate Hg2+ in real drinking water samples with satisfied results. Rapid response to Hg2+ is also observed when the nanoparticles are composited within hydrogels. Moreover, [email protected] shows antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The fast and sensitive response of the proposed Hg2+ sensor, together with its antibacterial activities, makes [email protected] potentially applicable for the development of cheap, portable, colorimetric sensors in fieldwork." @default.
- W3118839134 created "2021-01-18" @default.
- W3118839134 creator A5013825669 @default.
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- W3118839134 creator A5090100931 @default.
- W3118839134 date "2021-04-01" @default.
- W3118839134 modified "2023-10-11" @default.
- W3118839134 title "Colorimetric detection of Hg(II) by γ-aminobutyric acid-silver nanoparticles in water and the assessment of antibacterial activities" @default.
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- W3118839134 doi "https://doi.org/10.1016/j.saa.2021.119433" @default.
- W3118839134 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33465574" @default.
- W3118839134 hasPublicationYear "2021" @default.
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