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  • Green synthesis, characterization and anti-inflammatory activity of silver nanoparticles using European black elderberry fruits extract.

Green synthesis, characterization and anti-inflammatory activity of silver nanoparticles using European black elderberry fruits extract.

Colloids and surfaces. B, Biointerfaces (2014-09-02)
Luminita David, Bianca Moldovan, Adriana Vulcu, Liliana Olenic, Maria Perde-Schrepler, Eva Fischer-Fodor, Adrian Florea, Maria Crisan, Ioana Chiorean, Simona Clichici, Gabriela Adriana Filip
ABSTRACT

This research aimed at reporting the synthesis, characterization and evaluation of the anti-inflammatory effects of some new biomaterials based on silver nanoparticles and polyphenols rich natural extracts. A fast and eco-friendly extracellular biosynthesis of silver nanoparticles (AgNPs), using European black elderberry (Sambucus nigra - SN, Adoxaceae family) fruit extracts was developed. The phytosynthesized nanoparticles exhibited an absorbance peak at 426nm, characteristic for AgNPs and their sizes were ranged from 20 to 80nm. The anti-inflammatory properties of AgNPs were assessed in vitro on HaCaT cells exposed to UVB radiation, in vivo on acute inflammation model and in humans on psoriasis lesions. In vitro, our results demonstrated the anti-inflammatory effects of functionalized AgNPs by the decrease of cytokines production induced by UVB irradiation. In vivo, the pre-administration of AgNPs reduced the edema and cytokines levels in the paw tissues, early after the induction of inflammation. The present study also demonstrated the possible use of synthesized AgNPs for the treatment of psoriasis lesions.

MATERIALS
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