Visual Naked Eye Colorimetric Determination of Phorate Pesticide Using Nanotechnology
| Authors | Rajat Singh, Naveen Kumar |
| Affiliations |
Amity University Rajasthan-Jaipur, 303002 India |
| Е-mail | rsft95@gmail.com |
| Issue | Volume 13, Year 2021, Number 2 |
| Dates | Received 10 January 2021; revised manuscript received 23 March 2021; published online 09 April 2021 |
| Citation | Rajat Singh, Naveen Kumar, J. Nano- Electron. Phys. 13 No 2, 02015 (2021) |
| DOI | https://doi.org/10.21272/jnep.13(2).02015 |
| PACS Number(s) | 61.46.Df, 68.37.Ef |
| Keywords | Colorimetric, AuNPs, Phorate, Pesticides, Onsite. |
| Annotation |
Here, in this study citrate-gold, NPs was prepared and used for visual recognition of phorate pesticide. The synthesized gold NPs were characterized using UV-visible spectroscopy, dynamic light scattering and transmission electron microscopic techniques. The developed method is simple and easy to operate. The detection requires only the addition of phorate into colloidal gold NPs solution. Phorate induced the aggregation of gold NPs resulting in the color transformation from wine-red to blue and alteration in SPR spectra from 520 nm to 658 nm was observed. The color change was easily assessed by bare eye and absorption spectra were measured using UV-visible spectroscopy. Moreover, the developed method will be a promising tool for on-site determination of phorate in real environmental samples. |
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