A systematic review on the current situation of emerging pollutants in Mexico: A perspective on policies, regulation, detection, and elimination in water and wastewater

The Science of The Total Environment, Год журнала: 2023, Номер 905, С. 167426 - 167426

Опубликована: Сен. 28, 2023

Язык: Английский

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Cross-linked chitosan-epichlorohydrin/bentonite composite for reactive orange 16 dye removal: Experimental study and molecular dynamic simulation

International Journal of Biological Macromolecules, Год журнала: 2023, Номер 242, С. 124786 - 124786

Опубликована: Май 9, 2023

Язык: Английский

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Green Biosynthesis of Zinc Oxide Nanoparticles Using Pluchea indica Leaf Extract: Antimicrobial and Photocatalytic Activities

Molecules, Год журнала: 2023, Номер 28(12), С. 4679 - 4679

Опубликована: Июнь 9, 2023

Nanotechnology is playing a critical role in several essential technologies with nanoscale structures (nanoparticles) areas of the environment and biomedicine. In this work, leaf extract Pluchea indica was utilized to biosynthesize zinc oxide nanoparticles (ZnONPs) for first time evaluated antimicrobial photocatalytic activities. Different experimental methods were used characterize biosynthesized ZnONPs. The ZnONPs showed maximum Ultraviolet-visible spectroscopy (UV-vis) absorbance at wavelength 360 nm. X-Ray diffraction (XRD) pattern exhibits seven strong reflection peaks, average particle size 21.9 Fourier-transform infrared (FT-IR) spectrum analysis reveals presence functional groups that help biofabrication. existence Zn O confirmed by Energy-dispersive X-ray (EDX) morphology SEM images. Antimicrobial studies have efficacy against Escherichia coli, Pseudomonas aeruginosa, Enterococcus faecalis, Bacillus subtilis, Staphylococcus aureus, Candida albicans Cryptococcus neoformans where inhibition zones concentration 1000 µg/mL 21.83 ± 0.76, 13.0 1.1, 14.9 0.85, 24.26 17.0 1.0, 20.67 0.57 19.0 1.0 mm respectively. Under both dark sunlight irradiation, activity towards degradation thiazine dye (methylene blue-MB). Approximately 95% MB broken down pH 8 after 150 min exposure. aforementioned results, therefore, suggest synthesized implementing environmentally friendly techniques can be employed variety environmental biomedical applications.

Язык: Английский

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Adsorption of Brilliant Green Dye onto a Mercerized Biosorbent: Kinetic, Thermodynamic, and Molecular Docking Studies

Molecules, Год журнала: 2023, Номер 28(10), С. 4129 - 4129

Опубликована: Май 16, 2023

This study reports the valorization of pistachio shell agricultural waste, aiming to develop an eco-friendly and cost-effective biosorbent for cationic brilliant green (BG) dye adsorption from aqueous media. Pistachio shells were mercerized in alkaline environment, resulting treated adsorbent (PSNaOH). The morphological structural features analyzed using scanning electron microscopy, Fourier transform infrared spectroscopy, polarized light microscopy. pseudo-first-order (PFO) kinetic model best described kinetics BG onto PSNaOH biosorbents. In turn, equilibrium data fitted Sips isotherm model. maximum capacity decreased with temperature (from 52.42 mg/g at 300 K 46.42 330 K). parameters indicated improved affinity between surface molecules lower temperatures (300 thermodynamic estimated on basis two approaches a spontaneous (ΔG < 0) exothermic (ΔH process. design experiments (DoE) response methodology (RSM) employed establish optimal conditions (sorbent dose (SD) = 4.0 g/L initial concentration (C0) 10.1 mg/L), yielding removal efficiency 98.78%. Molecular docking simulations performed disclose intermolecular interactions lignocellulose-based adsorbent.

Язык: Английский

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Unleashing the potential of pineapple peel-based activated carbon: Response surface methodology optimization and regeneration for methylene blue and methyl red dyes adsorption

Inorganic Chemistry Communications, Год журнала: 2023, Номер 155, С. 111041 - 111041

Опубликована: Июль 8, 2023

Язык: Английский

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