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Graphene oxide-based antibacterial cotton fabrics.

Jinming Zhao1, Bo Deng, Min Lv

  • 1Shanghai Institute of Applied Physics, Chinese Academy of Sciences Shanghai, 201800, P. R. China.

Advanced Healthcare Materials
|March 14, 2013
PubMed
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Graphene oxide (GO) effectively kills bacteria on cotton fabrics, maintaining over 90% efficacy after 100 washes. These durable, non-irritating nano-engineered textiles offer promising antibacterial applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Textile Engineering

Background:

  • Graphene oxide (GO) demonstrates potent antimicrobial properties.
  • Developing durable, macroscopic antibacterial materials is crucial for various applications.
  • Cotton fabrics are widely used but lack inherent antibacterial characteristics.

Purpose of the Study:

  • To functionalize cotton fabrics with graphene oxide (GO) for enhanced antibacterial properties.
  • To investigate the antibacterial efficacy and laundering durability of GO-modified cotton.
  • To assess the biocompatibility of GO-coated cotton fabrics.

Main Methods:

  • Preparation of GO-coated cotton fabrics via direct adsorption, radiation-induced crosslinking, and chemical crosslinking.
  • Evaluation of antibacterial activity using standard inactivation tests.
Keywords:
antibacterial activitycotton fabricsgraphene oxidelaundering durabilityskin irritation

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  • Assessment of antibacterial performance after repeated washing cycles (up to 100 washes).
  • Biocompatibility testing through animal skin irritation studies.

    • Main Results:

    • All prepared GO-containing cotton fabrics exhibited strong antibacterial properties, inactivating 98% of bacteria.
    • The antibacterial efficacy remained high (>90%) even after 100 washing cycles, demonstrating excellent laundering durability.
    • Animal tests confirmed that the GO-modified cotton fabrics caused no skin irritation in rabbits.

    Conclusions:

    • GO-modified cotton fabrics offer a durable and effective solution for antibacterial textiles.
    • The developed materials are safe for skin contact, indicated by animal testing.
    • These flexible, reusable GO-based fabrics represent a promising advancement in nano-engineered antibacterial materials for broad applications.