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Bioactive Hybrids Containing Artificial Cell Membranes and Phyto-Gold-Silver Chloride Bio-Nanoparticles.

Marcela-Elisabeta Barbinta-Patrascu¹, Cornelia Nichita^2,3, Monica Enculescu⁴

¹Department of Electricity, Solid-State Physics and Biophysics, Faculty of Physics, University of Bucharest, 405 Atomistilor Street, P.O. Box MG-11, 077125 Magurele, Romania.

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Summary

Researchers developed novel eco-friendly biohybrids using plant extracts and nanoparticles. These materials show significant antioxidant, anticancer, and antimicrobial properties, offering promise for biomedical applications.

Keywords:

Achillea millefolium L.; antioxidant activity antimicrobial properties antiproliferative activity gold–silver chloride nanoparticles phytosynthesis

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Area of Science:

Biomaterials Science
Nanotechnology
Green Chemistry

Background:

Valorization of vegetal waste is crucial for sustainable synthesis of bioactive materials.
Achillea millefolium L. extract possesses inherent antioxidant and antimicrobial properties.
Biomimetic lipid vesicles and phytosynthesized gold-silver chloride nanoparticles (AuAgCl NPs) offer a novel platform for drug delivery and therapeutics.

Purpose of the Study:

To develop and characterize novel eco-friendly biohybrids from Achillea millefolium L. extract.
To investigate the antioxidant, antiproliferative, and antimicrobial activities of the developed biohybrids.
To explore the potential of these biohybrids as adjuvants in cancer therapy.

Main Methods:

Phytosynthesis of gold-silver chloride nanoparticles (AuAgCl NPs) using Achillea millefolium L. extract.
Incorporation of AuAgCl NPs into biomimetic lipid vesicles.
Characterization using optical, structural, elemental, morphological, and physical stability techniques (UV-Vis, FTIR, XRD, EDX, XPS, TEM, DLS, water contact angle, zeta potential).
Evaluation of antioxidant activity via chemiluminescence and biological activity (antiproliferative, biocidal).

Main Results:

Successfully synthesized and characterized three types of biohybrids with varying lipid vesicle/AuAgCl NP ratios.
Biohybrids demonstrated significant antioxidant activity.
Demonstrated notable antiproliferative effects against HT-29 and B-16 cancer cell lines.
Exhibited potent biocidal activity against Staphylococcus aureus and Enterococcus faecalis.

Conclusions:

The developed phyto-synthesized biohybrids are promising for biomedical applications.
These materials show potential as effective adjuvants in cancer therapy.
This research highlights a sustainable approach for creating advanced bioactive materials from plant waste.