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Related Experiment Video

Updated: Jun 8, 2026

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Published on: May 10, 2018

Silica-silver core-shell particles for antibacterial textile application.

K Nischala¹, Tata N Rao, Neha Hebalkar

¹International Advanced Research Centre for Powder Metallurgy and New Materials, RCI Road, Balapur PO, RR District, Hyderabad 500005, India.

Colloids and Surfaces. B, Biointerfaces

|September 25, 2010

Summary

This summary is machine-generated.

Synthesized silica-silver core-shell nanoparticles provide excellent antibacterial properties for cotton fabrics. These durable nanoparticles effectively inhibit bacterial growth, even after multiple washes, ensuring long-lasting antimicrobial textiles.

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Area of Science:

Materials Science
Nanotechnology
Textile Engineering

Background:

Silver nanoparticles (AgNPs) exhibit potent antimicrobial properties.
Developing durable antimicrobial textiles requires stable nanoparticle integration.
Core-shell structures offer enhanced stability and controlled release of active agents.

Purpose of the Study:

To synthesize and characterize silica-silver core-shell nanoparticles.
To apply these nanoparticles onto cotton fabric for antibacterial applications.
To evaluate the antibacterial efficacy and durability of the coated fabric.

Main Methods:

One-pot synthesis of silica-silver core-shell nanoparticles.
Characterization using Transmission Electron Microscopy (TEM) and Surface Plasmon Resonance (SPR).
Antibacterial activity testing via colony counting method and X-ray photoelectron spectroscopy (XPS) for bonding analysis.

Main Results:

Successfully synthesized silica-silver core-shell nanoparticles (1-2 nm AgNPs on 270 nm silica cores).
Achieved 100% antibacterial activity against 10^4 cfu even with minimal silver content.
Demonstrated durable antibacterial properties, with no loss of efficacy after 10 washes.

Conclusions:

Silica-silver core-shell nanoparticles are effective and durable antibacterial agents for cotton textiles.
Strong bonding ensures immobilization of nanoparticles, preventing silver ion migration.
This technology offers a promising solution for developing long-lasting antimicrobial fabrics.