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Nanoparticles in modern medicine: State of the art and future challenges

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Author: Shashi K Murthy

Published Date August 2007 , Volume 2007:2(2) Pages 129 - 141 DOI 10.2147/IJN.S

Shashi K Murthy

Department of Chemical Engineering, Northeastern University

Abstract: Nanoparticles are materials with overall dimensions in the nanoscale, ie, under 100 nm. In recent years, these materials have emerged as important players in modern medicine, with clinical applications ranging from contrast agents in imaging to carriers for drug and gene delivery into tumors. Indeed, there are some instances where nanoparticles enable analyses and therapies that simply cannot be performed otherwise. However, nanoparticles also bring with them unique environmental and societal challenges, particularly in regard to toxicity. This review aims to highlight the major contributions of nanoparticles to modern medicine and also discuss environmental and societal aspects of their use.

Keywords: nanoparticles, contrast agents, drug delivery, tumors, quantum dots, toxicity
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