Engineered Nanoparticles with Antimicrobial Property

Area of Science:

• Nanomedicine
• Materials Science
• Microbiology

Background:

• Rising antimicrobial resistance necessitates new therapeutic agents.
• Nanotechnology offers unique properties for antimicrobial applications.
• Safety and biocompatibility of nanomaterials are critical concerns.

Purpose of the Study:

• To review nano-structured materials for antimicrobial therapy.
• To explore their mechanisms of action.
• To assess advantages and disadvantages of various nanomaterials.

Main Methods:

• Systematic literature review on nanomaterials.
• Focus on silver, graphene, quantum dots, zinc oxide, and chitosan nanoparticles.
• Analysis of antimicrobial properties and mechanisms.

Main Results:

• Nanomaterials disrupt microbial cell membranes and DNA.
• Reactive oxygen species (ROS) contribute to antimicrobial effects.
• Silver nanoparticles show broad-spectrum activity; QDs have antibacterial and antiprotozoal effects.

Conclusions:

• Engineered nanomaterials present diverse antimicrobial capabilities.
• Formulations can be used directly, as coatings, or drug carriers.
• Chitosan nanoparticles enhance metallic nanoparticle efficacy and stability.