Green-Synthesized Nanoparticles to Combat Multidrug-Resistant Bacteria

Antibiotic resistance has rapidly climbed in recent years, threatening millions of lives worldwide and presenting a serious threat to community health. Since resistance has spread widely and many different species of bacteria share resistance genes, multidrug-resistant (MDR) microorganisms have come to light. This led to international efforts to develop new and improved antibacterial materials to treat bacteria with multidrug resistance. Global interest is currently growing in the utilization of innovative biomaterials made of nanoparticles (NPs) to completely achieve this accomplishment. For the treatment of drug-resistant infections, NPs may prove to be a vitally important therapeutic option. The metals and metal oxide NPs seem to have the most potential of all classes of NPs and have grabbed the curiosity of numerous researchers. Due to their special physicochemical characteristics, metal and metal oxide NPs such as gold, silver, iron oxide, copper, zinc oxide, and titanium dioxide. Have demonstrated antibacterial effects at very low concentrations. Synthesis of NPs by physical and chemical procedures can result in environmental contamination, health risks to humans, technological issues, high costs, and ineffectiveness. To address these issues, emerging in popularity are biological methods that use safe, non-toxic substances during the synthesis process. The process known as “green synthesis” produces NPs by using biological sources, which act as reducing and capping agents. There are numerous methods by which these NPs fight bacteria, including interference with bacterial biofilms, disruption of cell membranes, and generation of reactive oxygen species (ROS). These mechanisms lessen the possibility of resistance developing while preventing bacterial growth. NPs produced using green synthesis offer a potentially effective method for battling bacteria with multiple MDRs in addition to the weapons of antimicrobial agents due to their environmentally friendly production practices, strong antibacterial characteristics, and low toxicity.