Countering drug resistance, infectious diseases, and sepsis using metal and metal oxides nanoparticles: Current

Shams Tabrez Khan1, Javed Musarrat2, Abdulaziz A Al-Khedhairy3

  • 1Zoology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; DNA Research Chair, Zoology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.

Insights

Metal and metal oxide nanoparticles show promise as antimicrobial agents due to rising antibiotic resistance. Further research is needed to understand their mechanisms and ensure safety for clinical use.

Area of Science:

  • Materials Science
  • Microbiology
  • Nanotechnology

Background:

  • Microbial infections cause significant global mortality, exacerbated by antibiotic resistance and emerging diseases.
  • Conventional antibiotic discovery faces funding challenges, driving the need for alternative antimicrobial agents.
  • Metal and metal oxide nanoparticles, like silver and zinc oxide, demonstrate potent antimicrobial properties.

Purpose of the Study:

  • To highlight the potential of metal and metal oxide nanoparticles as alternative antimicrobial agents.
  • To identify the need for further research into the molecular mechanisms of nanoparticle antimicrobial activity.
  • To emphasize the necessity of optimizing nanoparticles for enhanced efficacy and biocompatibility.

Main Methods:

  • Review of existing literature on metal and metal oxide nanoparticles as antimicrobials.
  • Analysis of regulatory approvals and applications of these nanomaterials.
  • Identification of research gaps in understanding antimicrobial mechanisms and in vivo toxicity.

Main Results:

  • Metal and metal oxide nanoparticles exhibit significant antimicrobial activity against various pathogens.
  • These nanomaterials are approved for diverse applications, including antimicrobial uses and product fortification.
  • Detailed studies on molecular mechanisms and selective toxicity are currently lacking.

Conclusions:

  • Metal and metal oxide nanoparticles represent a promising alternative to conventional antibiotics.
  • Further investigation into selective antimicrobial activity and optimization is crucial for maximizing their potential.
  • In vivo toxicity studies at realistic doses are essential before clinical translation.

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