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GC-MS based lemon grass metabolite analysis involved in the synthesis of silver nanoparticles and evaluation of photo-catalytic degradation of methylene blue

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Abstract

Silver nanoparticles (AgNPs) is of great importance to scientific community due to their plethora of applications. Several plant extracts have been reported for synthesis of AgNPs. In this study, lemon grass was used as a reducing and capping agent to prepare AgNPs. The formation of AgNPs was confirmed by using UV–Vis spectra as AgNPs show a characteristic peak around 400 nm. Effect of pH, temperature and lemon grass extract to silver nitrate ratio was optimized using response surface methodology (RSM). Characterization of AgNPs was done using X-Ray Diffraction (XRD), Energy Dispersive X-Ray spectroscopy (EDX), Trasmission Electron Microscopy (TEM) and Dynamic Light Scattering (DLS). Gas Chromatography-Mass spectrometry (GC–MS), Energy Dispersive X-Ray spectroscopy and Fourier Transform-Infrared (FT-IR) spectroscopic analysis showed involvement of metabolites of lemon grass in the formation of AgNPs. Photo-catalytic activity of synthesized AgNPs was evaluated through degradation of organic pollutant methylene blue dye.

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Acknowledgements

Support from the University of Petroleum & Energy Studies (UPES), Dehradun for conducting this work is gratefully acknowledged. Also, support from Mr. Surojit and other members of the Central Instrumentation Center (CIC) of the University of Petroleum & Energy Studies (UPES), Dehradun is gratefully acknowledged.

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AB, AJ, and LKT contributed in the synthesis, optimization and sample preparation for the analysis. S and RK helped in characterization of silver nanoparticles. DS contributed in writing, compiling and interpreting the results.

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Correspondence to Deepanmol Singh.

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Singh, D., Bansal, A., Jain, A. et al. GC-MS based lemon grass metabolite analysis involved in the synthesis of silver nanoparticles and evaluation of photo-catalytic degradation of methylene blue. Biometals 34, 1121–1139 (2021). https://doi.org/10.1007/s10534-021-00337-6

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  • DOI: https://doi.org/10.1007/s10534-021-00337-6

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