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Please use this identifier to cite or link to this item: http://dspace.utalca.cl/handle/1950/4656

Title: New modeling strategies for the computational characterization of nanobioparticles
Authors: Cachau, R.E.
Frius, M.J.
Topol, I.
Burt, S.K.
Gonzalez-Nilo, F.
Matties, M.
Issue Date: 2007
Publisher: Biophysical Society
Citation: Biophysical Journal 162A-162A
Abstract: Nanobiotechnology is a field of science focused on the design, synthesis, characterization and application of materials and devices on the nanoscale to biological problems. The success of this promising area of research hinges on our ability to characterize, and eventually predict and control, the properties of nanoscale particles and their behavior in realistic biological environments. Particles of this size behave in ways that are intrinsically different than those at meso and sub-nano scale. Therefore, the characterization of nanoparticles by computational means requires the definition of new criteria to match the microscopic modeled parameters with the macroscopically observed ones. In this work we will present our efforts to devise strategies that, from simulations of nanoparticles in simple environments, will allow the computation of properties related to their behavior in more complex environments. The approach presented departs from classical extensions of QSAR/QSPR type calculations to nanoparticles, relying instead on sensitivity analysis techniques that probe the stability of the particle properties with respect to a number of challenges. Particles will be suitable candidates for biological use only if the range of their sensitivity to those challenges is narrowly confined. The nature of the parameters explored and the use of this approach in general cases will be discussed by presenting our results using metal-loaded fullerenes, and extending it over our early efforts with gold particles and dendrimer simulations. This work has been funded in part with funds from the NCI-NIH (Contract No. NO1-CO-12400). The contents of this publication do not necessarily reflect the views or policies of the DHHS, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government
Description: Danilo Gonzalez Nilo. University of Talca, Talca, Chile.
URI: http://dspace.utalca.cl/handle/1950/4656
ISSN: 0006-3495
Appears in Collections:Artículos en publicaciones ISI - Universidad de Talca

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