The article "Applications of nanoparticle systems in drug delivery technology" by Syed A.A. Rizvi and Ayman M. Saleh reviews the advancements in nanoparticle-based drug formulations and their potential in treating challenging diseases. Nanoparticles, typically ranging from 100 to 500 nm in size, can be engineered to deliver therapeutic and imaging agents with enhanced targeting and controlled release properties. The review highlights the importance of nanoparticle size, surface characteristics, and drug loading for effective drug delivery. It discusses the advantages of targeted drug delivery, including reduced toxicity and improved patient compliance. The article also explores the application of nanoparticle technology in cancer therapy, diagnostic testing, HIV/AIDS treatment, and nutraceutical delivery. Key examples include the use of micelles, liposomes, dendrimers, carbon nanotubes, and quantum dots for targeted drug delivery and imaging. The conclusion emphasizes the multidisciplinary nature of nanotechnology and its significant contributions to personalized and safer medical treatments.The article "Applications of nanoparticle systems in drug delivery technology" by Syed A.A. Rizvi and Ayman M. Saleh reviews the advancements in nanoparticle-based drug formulations and their potential in treating challenging diseases. Nanoparticles, typically ranging from 100 to 500 nm in size, can be engineered to deliver therapeutic and imaging agents with enhanced targeting and controlled release properties. The review highlights the importance of nanoparticle size, surface characteristics, and drug loading for effective drug delivery. It discusses the advantages of targeted drug delivery, including reduced toxicity and improved patient compliance. The article also explores the application of nanoparticle technology in cancer therapy, diagnostic testing, HIV/AIDS treatment, and nutraceutical delivery. Key examples include the use of micelles, liposomes, dendrimers, carbon nanotubes, and quantum dots for targeted drug delivery and imaging. The conclusion emphasizes the multidisciplinary nature of nanotechnology and its significant contributions to personalized and safer medical treatments.