Browsing by Author "Rais, Afroz"

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    Remediation of wastewater by biosynthesized manganese oxide nanoparticles and its effects on development of wheat seedlings
    (Frontiers Media S.A., 2023-12) Ishfaq, Aneeza; Shahid, Muhammad; Nawaz, Muhammad; Ibrar, Danish; Hussain, Sabir; Shahzad, Tanvir; Mahmood, Faisal; Rais, Afroz; Gul, Safia; Gaafar, Abdel-Rhman Z; Hodhod, Mohamed S; Khan, Shahbaz
    Introduction: Nanoparticles play a vital role in environmental remediation on a global scale. In recent years, there has been an increasing demand to utilize nanoparticles in wastewater treatment due to their remarkable physiochemical properties. Methods: In the current study, manganese oxide nanoparticles (MnO-NPs) were synthesized from the Bacillus flexus strain and characterized by UV/Vis spectroscopy, X-ray diffraction, scanning electron microscopy, and Fourier transform infrared spectroscopy. Results: The objective of this study was to evaluate the potential of biosynthesized MnO-NPs to treat wastewater. Results showed the photocatalytic degradation and adsorption potential of MnO-NPs for chemical oxygen demand, sulfate, and phosphate were 79%, 64%, and 64.5%, respectively, depicting the potential of MnO-NPs to effectively reduce pollutants in wastewater. The treated wastewater was further utilized for the cultivation of wheat seedlings through a pot experiment. It was observed that the application of treated wastewater showed a significant increase in growth, physiological, and antioxidant attributes. However, the application of treated wastewater led to a significant decrease in oxidative stress by 40%. Discussion: It can be concluded that the application of MnO-NPs is a promising choice to treat wastewater as it has the potential to enhance the growth, physiological, and antioxidant activities of wheat seedlings.