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Many particle magnetic dipole–dipole and hydrodynamic interactions in magnetizable stent assisted magnetic drug targeting

Adil Mardinoglu (Institutionen för kemi- och bioteknik, Systembiologi)
Journal of Magnetism and Magnetic Materials (0304-8853). Vol. 322 (2010), 15, p. 2087-2094.
[Artikel, refereegranskad vetenskaplig]

The implant assisted magnetic targeted drug delivery system of Avilés, Ebner and Ritter is considered both experimentally (in vitro) and theoretically. The results of a 2D mathematical model are compared with 3D experimental results for a magnetizable wire stent. In this experiment a ferromagnetic, coiled wire stent is implanted to aid collection of particles which consist of single domain magnetic nanoparticles (radius ). In order to model the agglomeration of particles known to occur in this system, the magnetic dipole–dipole and hydrodynamic interactions for multiple particles are included. Simulations based on this mathematical model were performed using open source C++ code. Different initial positions are considered and the system performance is assessed in terms of collection efficiency. The results of this model show closer agreement with the measured in vitro experimental results and with the literature. The implications in nanotechnology and nanomedicine are based on the prediction of the particle efficiency, in conjunction with the magnetizable stent, for targeted drug delivery.

Nyckelord: Magnetic drug targeting; High gradient magnetic separation (HGMS); Magnetic nanoparticle; Simulation; Dipole–dipole interaction; Hydrodynamic interaction; Magnetizable stent

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Denna post skapades 2011-12-16. Senast ändrad 2017-09-14.
CPL Pubid: 150285


Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Systembiologi (2008-2014)


Bioinformatik och systembiologi

Chalmers infrastruktur