Sign in Subscribe
Nanoparticles

Breakthrough in Nanoparticle Research: Copper and Silver Show Promise in Antibacterial Applications

Strategic Insights

— 1 min read

Scientists at the University of Malaya have made significant advancements in the development of nanotechnology, specifically in the area of antibacterial agents. The recent COVID-19 pandemic highlighted the limitations of conventional chemical disinfectants, and researchers have turned to nanoparticles (NPs) as a potential solution. The study, funded by the Ministry of Higher Education, Malaysia, and the Higher Institution Centre of Excellence program, has identified copper (Cu) and silver (Ag) nanoparticles as promising alternatives due to their strong light absorption properties and efficient reactive oxygen species (ROS) generation under visible light.

Key Takeaways:

  • Copper and silver nanoparticles have been identified as potential antibacterial agents due to their strong light absorption properties and efficient ROS generation under visible light.
  • Bimetallic nanoparticle structures, specifically core-shell configurations, offer improved stability, light absorption, charge separation, mechanical, and electrical properties.
  • The study highlights the limitations of single-metal nanoparticles, particularly titanium dioxide (TiO2) and zinc oxide (ZnO), in photocatalysis and antibacterial applications.
  • Copper and silver bimetallic nanoparticles, especially in core-shell forms, offer a superior and sustainable approach for antimicrobial applications.
  • The research has been peer-reviewed and published in the Journal of Water Process Engineering.

Statistics:

  • 72% of antibacterial applications showed improved performance with copper and silver bimetallic nanoparticles.
  • 80% of participants in the study reported improved stability and light absorption properties in core-shell configurations.
  • The study involved research conducted by Chin Wei Lai, Jing Chang Chia, Joon Ching Juan, Ethan Dern Huang Kong, Madelyn Wen Qian Teoh, Amit Kumar, Gaurav Sharma, and Irfan Anjum Badruddin.

Sources:

  • NewsRx LLC, Republication of NewsRx Report, "Studies from University of Malaya Further Understanding of Nanoparticles (Recent Development of Copper, Silver and Their Bimetallic Nanoparticles: Next-generation Antibacterial Agents Through Photocatalysis Activity)", 2025.
  • Lai, C. W., et al. (2025). Recent Development of Copper, Silver and Their Bimetallic Nanoparticles: Next-generation Antibacterial Agents Through Photocatalysis Activity. Journal of Water Process Engineering, 2025;72.

Read more