alexa Nanomedicine, Nanotechnology in medicine
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Patrick BOISSEAU, Bertrand LOUBATON

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Nanomedicine is a relatively new field of science and technology. It looks sometimes ill defined and interpretations of that term may vary, especially between Europe and the United States. By interacting with biological molecules, therefore at nanoscale, nanotechnology opens up a vast field of research and application. Interactions between artificial molecular assemblies or nanodevices and biomolecules can be understood both in the extracellular medium and inside the human cells. Operating at nanoscale allow to exploit physical properties different from those observed at microscale such as the volume/surface ratio. The investigated diagnostic applications can be considered for in vitro as well as for in vivo diagnosis. In vitro, the synthesized particles and manipulation or detection devices allow for the recognition, capture, and concentration of biomolecules. In vivo, the synthetic molecular assemblies are mainly designed as a contrast agent for imaging. A second area exhibiting a strong development is the ʺ nanodrugs ʺ where nanoparticles are designed for targeted drug delivery. The use of such carriers improves the drug biodistribution, targeting active molecules to diseased tissues while protecting healthy tissue. A third area of application is regenerative medicine where nanotechnology allows developing biocompatible materials which support growth of cells used in cell therapy. The application of nanotechnology to medicine raises new issues because of new uses they allow, for instance: Is the power of these new diagnostics manageable by the medical profession? What means treating a patient without any clinical signs? Nanomedicine can contribute to the development of a personalized medicine both for diagnosis and therapy. There exists in many countries existing regulatory frameworks addressing the basic rules of safety and effectiveness of nanotechnology based medicine, whether molecular assemblies or medical devices. But there is a need to clarify or to modify these regulations which mobilize many experts. France is a country where the medical development of nanotechnology is significant, like Germany, the United Kingdom or Spain, as regards the European Union. There is an active scientific community and industrial partners of all sizes, even if the technology transfer to industry is not as effective as in North America

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This article was published in Comptes Rendus de l ʹ and referenced in Journal of Nanomedicine & Nanotechnology

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