Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 121, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.msec.2020.111843
Keywords
Antimicrobials; Nanocomposites; Stimuli responsive nanomaterials
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The misuse of antibiotics leading to resistant infections is a global concern that requires new strategies to combat infectious diseases. Recent advances in nanocomposites as alternatives to antibiotics have shown promise in improving antimicrobial efficacy, stability, and reducing side effects. This includes the development of stimuli-responsive systems for targeted drug delivery to infection sites, which can enhance antibacterial effectiveness and reduce microbial resistance.
The growing problem of resistant infections due to antibiotic misuse is a worldwide concern that poses a grave threat to healthcare systems. Thus, it is necessary to discover new strategies to combat infectious diseases. In this review, we provide a selective overview of recent advances in the use of nanocomposites as alternatives to antibiotics in antimicrobial treatments. Metals and metal oxide nanoparticles (NPs) have been associated with inorganic and organic supports to improve their antibacterial activity and stability as well as other properties. For successful antibiotic treatment, it is critical to achieve a high drug concentration at the infection site. In recent years, the development of stimuli-responsive systems has allowed the vectorization of antibiotics to the site of infection. These nanomaterials can be triggered by various mechanisms (such as changes in pH, light, magnetic fields, and the presence of bacterial enzymes); additionally, they can improve antibacterial efficacy and reduce side effects and microbial resistance. To this end, various types of modified polymers, lipids, and inorganic components (such as metals, silica, and graphene) have been developed. Applications of these nanocomposites in diverse fields ranging from food packaging, environment, and biomedical antimicrobial treatments to diagnosis and theranosis are discussed.
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