Silver Nanocomposites Based on a Peach Shell-Derived Carbon Matrix with Antibacterial Activity.
Aleksandra Stankova1,2, Stela Atanasova-Vladimirova3, Bogdan Ranguelov3
1Institute of Organic Chemistry with Center of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.
Nanomaterials (Basel, Switzerland)
|April 13, 2026
Summary
Researchers developed eco-friendly silver nanocomposites with activated carbon (Ag-NACs) from peach waste. These Ag-NACs show strong antibacterial activity against various pathogens, offering a sustainable solution to environmental pollution and emerging diseases.
Area of Science:
- Materials Science
- Environmental Science
- Nanotechnology
- Microbiology
Background:
- Environmental pollution poses risks to health, driving the need for sustainable solutions.
- Waste biomass presents an opportunity for developing novel materials.
- Silver nanocomposites offer potent antimicrobial properties.
Purpose of the Study:
- To synthesize eco-friendly silver nanocomposites with activated carbon (Ag-NACs) from peach shell waste.
- To characterize the synthesized Ag-NACs and evaluate their antibacterial efficacy.
- To explore the synergistic antibacterial mechanism between silver and activated carbon.
Main Methods:
- Green synthesis of Ag-NACs using aqueous medium and peach shell-derived activated carbon.
- Characterization using SEM, EDS, XRD, and FT-IR.
- Antibacterial activity testing against Gram-positive and Gram-negative bacterial strains.
Main Results:
- Optimally structured Ag-NACs were identified at 4.0% and 8.0% silver concentrations.
- Synthesized Ag-NACs demonstrated significant antibacterial activity against a broad spectrum of bacteria.
- Characterization confirmed the composition, structure, and morphology of the Ag-NACs.
Conclusions:
- The study successfully produced sustainable Ag-NACs from waste biomass.
- The Ag-NACs exhibit a synergistic antibacterial effect, inhibiting bacterial growth effectively.
- These findings highlight the potential of Ag-NACs as antimicrobial agents for environmental and health applications.


