Ag Nanoparticles Decorated by Gallic Acid as a Colorimetric Sensor for the Detection of Cartap Pesticide
Source abstract
Abstract
This study presents a facile approach for synthesizing gallic acid-capped silver nanoparticles (GA-AgNPs). GA-AgNPs were synthesized under the optimized conditions and characterized using various techniques [ultraviolet–visible, Fourier-transformed infrared (FTIR), X-ray diffraction, and transmission electron microscopy]. GA-AgNPs were spherical in shape with an average diameter of 11.2 nm. The FTIR and zeta potential analyses proved the presence of GA on the surface of AgNPs, stabilizing the nanoparticles. GA-AgNPs were used for the colorimetric detection of cartap ( S, S ′-[2-(dimethylamino)-1,3-propanediyl]dicarbamothioate). GA-AgNPs were highly selective and sensitive to cartap, with a detection limit of 0.059 ppm in a linear range of 0.1–2.0 ppm. Finally, the application of GA-AgNPs was validated by determining cartap in rice samples.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Dye analysis and toxicity · Advanced Nanomaterials in Catalysis · Electrochemical sensors and biosensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Science, National Taitung University, Taitung 950309, Taiwan
National Taitung Senior High School, Taitung 950307, Taiwan
Funding
National Science and Technology Council
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