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Journal of NanomaterialsVolume 2009 2009, Article ID 439389, 24 pages

Review Article

Aragon Nanoscience Institute INA, University of Zaragoza, 50009 Zaragoza, Pedro Cerbuna 12, Spain

Immunology Area, Faculty of Biology, University of Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Pontevedra, Spain

Received 19 June 2009; Accepted 2 September 2009

Academic Editor: Maryam Tabrizian

Copyright © 2009 Manuel Arruebo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Nanoscience and Nanotechnology have found their way into the fields of Biotechnology and Medicine. Nanoparticles by themselves offer specific physicochemical properties that they do not exhibit in bulk form, where materials show constant physical properties regardless of size. Antibodies are nanosize biological products that are part of the specific immune system. In addition to their own properties as pathogens or toxin neutralizers, as well as in the recruitment of immune elements complement, improving phagocytosis, cytotoxicity antibody dependent by natural killer cells, etc., they could carry several elements toxins, drugs, fluorochroms, or even nanoparticles, etc. and be used in several diagnostic procedures, or even in therapy to destroy a specific target. The conjugation of antibodies to nanoparticles can generate a product that combines the properties of both. For example, they can combine the small size of nanoparticles and their special thermal, imaging, drug carrier, or magnetic characteristics with the abilities of antibodies, such as specific and selective recognition. The hybrid product will show versatility and specificity. In this review, we analyse both antibodies and nanoparticles, focusing especially on the recent developments for antibody-conjugated nanoparticles, offering the researcher an overview of the different applications and possibilities of these hybrid carriers.

Autor: Manuel Arruebo, Mónica Valladares, and África González-Fernández



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