alexa Safety assessment of nanomaterials: implications for nanomedicine.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): Nystrm AM, Fadeel B

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Abstract Nanotechnologies offer exciting opportunities for targeted drug delivery which is anticipated to increase the efficacy of the drug and reduce potential side-effects, through the reduction of the dose of the drug in bystander tissues and an increase of the drug at the desired target site. Nevertheless, understanding whether the nano-scale carriers themselves may exert adverse effects is of great importance. The small size may enable nanoparticles to negotiate various biological barriers in the body which could, in turn, give rise to unexpected toxicities. On the other hand, the potential of nanoparticles to cross barriers can also be exploited for drug delivery. Determining the fate of nanoparticles following their therapeutic or diagnostic application is critical: are nanoparticles excreted, or biodegraded, or do they accumulate, potentially leading to harmful long-term effects? The bio-corona of proteins or lipids on the surface of nanoparticles is a key parameter for the understanding of biological interactions of nanoparticles. In the present review, we discuss some of the major challenges related to safety of nanomedicines. Copyright © 2012 Elsevier B.V. All rights reserved. This article was published in J Control Release and referenced in Journal of Addiction Research & Therapy

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