Nanomaterial-Based Strategies to Combat Antibiotic Resistance: Mechanisms and Applications
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The rapid rise of antibiotic resistance has become a global health crisis, necessitating the development of innovative strategies to combat multidrug-resistant (MDR) pathogens. Nanomaterials have emerged as promising tools in this fight, offering unique physicochemical properties that enhance antibiotic efficacy, overcome resistance mechanisms, and provide alternative therapeutic approaches. This review explores the diverse nanomaterial-based strategies used to combat antibiotic resistance, focusing on their mechanisms of action and practical applications. Nanomaterials such as metal nanoparticles, carbon-based nanomaterials, and polymeric nanostructures exhibit antibacterial properties through various pathways, including the generation of reactive oxygen species (ROS), disruption of bacterial membranes, and enhancement of antibiotic delivery. Additionally, the ability of nanomaterials to bypass traditional resistance mechanisms, such as biofilm formation and efflux pumps, has been demonstrated in numerous studies. This review also discusses the synergistic effects observed when nanomaterials are combined with conventional antibiotics, leading to increased bacterial susceptibility and reduced required dosages. By highlighting the recent advancements and clinical applications of nanomaterial-antibiotic combinations, this paper provides a comprehensive overview of how nanomaterials are reshaping the future of antibacterial therapies. Future research directions and challenges, including toxicity and scalability, are also addressed to guide the development of safer, more effective nanomaterial-based antibacterial treatments.