In recent years,polymeric nanoparticles have been widely used in the biomedical field due to their excellent properties,such as high specific surface area,good biocompatibility,and biodegradability.Compared with conventional chemical drugs,polymeric nanoparticles also have various advantages,such as more specificity and effective delivery of drugs to target tissues,cells or organs,and regulation of drug release rate and duration.This article reviews the preparation methods of polymeric nanoparticles and their applications in cancer diagnosis and treatment.
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