Lycopersicon esculentum leaf-extract was utilized in the synthesis of zinc-oxide nanoparticles (Le-ZnO-NPs) using zinc acetate as the precursor. The synthesized ZnO-NPs were attested by the detection of a notable absorption peak at 343 nm, appearing in UV–Vis spectra due to surface-plasmon-resonance. The XRD-spectrum recorded at 2θ values coincides with that of lattice planes. HR-TEM results revealed that Le-ZnO-NPs exhibited a crystalline structure with hexagonal wurtzite shape (10–50 nm size). The effectiveness of inhibition of the microbial biofilms of Proteus vulgaris, Enterococcus faecalis and Candida albicans was analyzed at a concentration of 100 µg ml−1. Moreover, Le-ZnO-NPs showed a significant range of anti-coagulant activity, in contrast to commercial anti-coagulant (heparin). Cytotoxicity studies showed that Le-ZnO-NPs (100 µg ml−1) are non-toxic to murine macrophage cells, but toxic to human cervical cancer (HeLa) cells. Indeed, a reduction in the viability of HeLa-cells and a notable variation in the apoptotic cell structure were apparent

Bioinspired Zinc Oxide Nanoparticles Using Lycopersicon esculentum for Antimicrobial and Anticancer Applications

Faggio C.
Ultimo
2019-01-01

Abstract

Lycopersicon esculentum leaf-extract was utilized in the synthesis of zinc-oxide nanoparticles (Le-ZnO-NPs) using zinc acetate as the precursor. The synthesized ZnO-NPs were attested by the detection of a notable absorption peak at 343 nm, appearing in UV–Vis spectra due to surface-plasmon-resonance. The XRD-spectrum recorded at 2θ values coincides with that of lattice planes. HR-TEM results revealed that Le-ZnO-NPs exhibited a crystalline structure with hexagonal wurtzite shape (10–50 nm size). The effectiveness of inhibition of the microbial biofilms of Proteus vulgaris, Enterococcus faecalis and Candida albicans was analyzed at a concentration of 100 µg ml−1. Moreover, Le-ZnO-NPs showed a significant range of anti-coagulant activity, in contrast to commercial anti-coagulant (heparin). Cytotoxicity studies showed that Le-ZnO-NPs (100 µg ml−1) are non-toxic to murine macrophage cells, but toxic to human cervical cancer (HeLa) cells. Indeed, a reduction in the viability of HeLa-cells and a notable variation in the apoptotic cell structure were apparent
2019
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Descrizione: Bioinspired Zinc Oxide Nanoparticles Using Lycopersicon esculentum for Antimicrobial and Anticancer Applications
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/3147370
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