ISSN: 0304-128X ISSN: 2233-9558
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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received August 16, 2022
Revised November 7, 2022
Accepted November 15, 2022
The authors express their gratitude to the Central Facility and Chemical Engineering Department, MNNIT Allahabad, India for providing the facilities to carry out the research work and analysis of the samples.
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Fe-Nanoparticle Amalgamation Using Lagenaria siceraria Leaf Aqueous Extract with Focus on Dye Removal and Antibacterial Efficacy

1Department of Chemical Engineering, Motilal Nehru National Institute of Technology Allahabad, Prayagraj - 211004, India 2Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj - 211004, India 3Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seoul, 03722, Korea
Korean Chemical Engineering Research, May 2023, 61(2), 287-295(9), 10.9713/kcer.2023.61.2.287 Epub 31 May 2023
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Iron nanoparticles (Fe-NPs) were synthesized employing Lagenaria siceraria (LS) leaf aqueous extract as a reducing and capping medium to remove methylene blue (MB) dye and have antibacterial properties against Gnegative (Escherichia coli) and G-positive bacteria (Staphylococcus aureus). The formation of LS-Fe-NPs (Lagenariasiceraria-iron-nanoparticles) was confirmed by a change in color from pale yellow to dark brown. Characterization techniques, such as particle size analysis (PSA), transmission electron microscopy (TEM) and scanning electron microscopy (SEM), were employed to prove nano spherical particles of size range between 80-100 nm. Phytochemicals and the presence of iron in LS-Fe-NPs nanoparticles were proved by UV-visible spectrophotometry. Further, Fourier transform infrared spectroscopy (FTIR) analysis results confirmed the existence of bioactive molecules in the plants. The magnetic property was analyzed using a vibrating sample magnetometer (VSM), which displayed that the synthesized nanoparticles were superparamagnetic and exhibiting a saturation magnetization of 12.5 emu/g. Synthesized magnetic nanoparticles were used in methylene blue (MB) dye removal through adsorption. About 83% of 100 mg/L MB dye was removed within 120 min at pH 6 with a maximum adsorption capacity of 246.8 mg/g. Antibacterial efficacy of LS-Fe-NPs was screened against G-negative (Escherichia coli) and G-positive bacteria (Staphylococcus aureus), respectively, and found that LSFe-NPs were effective against Staphylococcus aureus.


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