Synthesis of phytochemical-enriched MgO nanoparticles using Sonneratia ovata leaf extract for photocatalytic activity and inactivation of bacteria
7 affiliations
- 1Department of Zoology and Wildlife Biology, A.V.C. College, Mannampandal, Mayiladuthurai, Tamil Nadu, 609305, India; Marbions Nutraceutical Pvt Ltd., Kattagaram, Ariyalur, Tamil Nadu, 612903, India. Electronic address: [email protected]
- 2Centre for Nanoscience and Technology, K.S. Rangasamy College of Technology, Tiruchengode, Namakkal (Dt.), Tamil Nadu, 637 215, India
- 3Department of Science and Humanities, Karpagam College of Engineering, Coimbatore, Tamil Nadu, 641 032, India; Centre for Energy and Environment, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, 641 021, India. Electronic address: [email protected]
- 4Centre for Energy and Environment, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, 641 021, India; Department of Physics, Karpagam Academy of Higher Education Coimbatore, 641 021, Tamil Nadu, India
- 5Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- 6Department of Agribusiness Management and Food Technology, North-Eastern Hill University (NEHU), Tura Campus, Chasingre, WGH, Tura, Meghalaya, 794002, India
- 7CHEMBIOPRO Lab (Chemistry and Biotechnology of Natural Products), University of La Réunion, ESIROI Agroalimentaire, Saint-Denis Cedex 9, Réunion, 97744, France. Electronic address: [email protected]
Abstract
The green synthesis of magnesium oxide nanoparticles was achieved using Sonneratia ovata leaf extract. Several analytical and spectroscopic methods were used to characterise the crystallite size, structural behaviour, and optical and morphological properties. The high crystalline nature and the estimated average crystallite size of 22.8 nm after calcination at 500 °C were explained by the X-ray diffraction pattern. The aqueous extract of S. ovata and the metallic precursor both had distinctive absorption bands in the FTIR spectrum that were consistent with functional groups. The spherical form of MgO NPs was seen in the FESEM images. The purity of MgO, with Mg and O present, was confirmed by EDAX spectra and mapping. Particle size analysis revealed that the MgO NPs mediated by S. ovata had an average size and range of 18.82 nm. The green synthesis of MgO NPs was found to be a promising antimicrobial agent against pathogens such as Escherichia coli and Staphylococcus aureus and to exhibit antioxidant activity. The maximum average removal of Congo Red (CR) dye was 94.2% at low pH, and around 90% for Rhodamine B (RhB) under optimal conditions. The results demonstrated that the synthesised MgO NPs show promising potential as effective nanocatalysts for wastewater treatment, thereby advancing nanotechnology and contributing to the Sustainable Development Goals (SDGs) 6, 7, 9, and 14.
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BibTeX
@article{kaliyamoorthy2026synthesis,
title = {{Synthesis of phytochemical-enriched MgO nanoparticles using Sonneratia ovata leaf extract for photocatalytic activity and inactivation of bacteria}},
author = {Kalidasan Kaliyamoorthy and T.M. Naren Vidaarth and Srinivasan Surendhiran and K.S.G. Jagan and Subramani Karthik and Ganesan Kaviarasu and Laurent Dufossé},
journal = {Journal of Environmental Management},
year = {2026},
month = jun,
doi = {10.1016/j.jenvman.2026.130159},
url = {https://doi.org/10.1016/j.jenvman.2026.130159},
note = {CC BY},
}
RIS
TY - JOUR
TI - Synthesis of phytochemical-enriched MgO nanoparticles using Sonneratia ovata leaf extract for photocatalytic activity and inactivation of bacteria
AU - Kalidasan Kaliyamoorthy
AU - T.M. Naren Vidaarth
AU - Srinivasan Surendhiran
AU - K.S.G. Jagan
AU - Subramani Karthik
AU - Ganesan Kaviarasu
AU - Laurent Dufossé
PY - 2026
DA - 2026/06/14
JO - Journal of Environmental Management
DO - 10.1016/j.jenvman.2026.130159
UR - https://doi.org/10.1016/j.jenvman.2026.130159
AB - The green synthesis of magnesium oxide nanoparticles was achieved using Sonneratia ovata leaf extract. Several analytical and spectroscopic methods were used to characterise the crystallite size, structural behaviour, and optical and morphological properties. The high crystalline nature and the estimated average crystallite size of 22.8 nm after calcination at 500 °C were explained by the X-ray diffraction pattern. The aqueous extract of S. ovata and the metallic precursor both had distinctive absorption bands in the FTIR spectrum that were consistent with functional groups. The spherical form of MgO NPs was seen in the FESEM images. The purity of MgO, with Mg and O present, was confirmed by EDAX spectra and mapping. Particle size analysis revealed that the MgO NPs mediated by S. ovata had an average size and range of 18.82 nm. The green synthesis of MgO NPs was found to be a promising antimicrobial agent against pathogens such as Escherichia coli and Staphylococcus aureus and to exhibit antioxidant activity. The maximum average removal of Congo Red (CR) dye was 94.2% at low pH, and around 90% for Rhodamine B (RhB) under optimal conditions. The results demonstrated that the synthesised MgO NPs show promising potential as effective nanocatalysts for wastewater treatment, thereby advancing nanotechnology and contributing to the Sustainable Development Goals (SDGs) 6, 7, 9, and 14.
SN - 0301-4797
SN - 1095-8630
ER -