Abstract
Nanomedicine is a quickly developing field, including nanocarriers for biomedical applications. Colloidal nanocarriers with different structures can offer unlimited open doors in drug delivery applications. Nanocarriers show progressed target ability of bioactive agents, hence limiting the undesirable results by their particular accumulation at the objective site. Various types of natural and synthetic polymers have been utilized for the fabrication of nanoparticles as drug and gene delivery systems. Natural polymers offer many advantages over their synthetic counterparts because of their abundance, excellent biocompatibility and biodegradability, and low cytotoxicity. As a major advantage, natural polymers can be readily metabolized and cleared from a biological system through enzymatic or hydrolytic degradation, while synthetic materials may induce toxicity, chronic inflammation, and clearance issues. Thus, nanocarriers prepared from natural polymers make up promising vehicles for the targeted delivery of drugs and genes.
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