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August 16, 2026Inorganic and Nano-Metal Chemistry

Determination of enhanced sunlight-driven photocatalytic and biological activities using phytofabricated CuO-ZnO nanocomposite

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Authors

PPPrabu PVLVenkatramana LosettyHCHazarathaiah Yadav C

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Overview

In vitro study demonstrates dye degradation and antimicrobial and anticancer efficacy of plant-derived CuO-ZnO nanocomposites, indicating significant environmental and therapeutic potential.

Key Points

  • Synthesize CuO-ZnO nanocomposites using an eco-friendly plant leaf extract and evaluate their sunlight-driven photocatalytic efficiency and biological activities.
  • Synthesized CuO-ZnO nanocomposites via an eco-friendly green route using Macroptilium lanthyroides (L.) leaf extract and characterized them using UV-visible, FT-IRS, XRD, EM-EDX, XPS, DLS, and Zeta potential analysis.
  • Assessed solar photocatalytic dye disintegration over 90 minutes alongside evaluations of antioxidant, antibacterial, antifungal, and cytotoxic activities against A549 and MCF-7 cell lines.
  • Photocatalytic testing showed 96.2% dye disintegration under sunlight irradiation within 90 minutes.
  • Nanocomposites demonstrated antimicrobial inhibition zones (at 30 μg/mL) against S. aureus (18 mm), S. pyogenes (16 mm), K. pneumoniae (16 mm), E. coli (14 mm), T. viridae (13 mm), and C. albicans (12 mm).
  • Antioxidant activity reached an IC50 of 167.93 µg/mL, while cytotoxic IC50 values were 31.82 µg/mL against A549 cells and 38.13 µg/mL against MCF-7 cells.

Cite This Study

P et al. (2026) studied this question.

synapsesocial.com/papers/6a819d36f2fb91fc834aed03https://doi.org/10.1080/24701556.2026.2716325
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