Drug delivery technologies are an important area within biomedicine. Targeted drug delivery aims to reduce the undesired side effects of drug usage by directing or capturing the active agents near a desired site within the body. This is particularly beneficial in, for instance, cancer chemotherapy, where the side effects of general (systemic) drug administration can be severe. Herein, a numerical investigation of unsteady magnetic drug targeting (MDT) using functionalized magnetic microspheres in partly occluded blood vessels is presented considering the effects of particle-fluid coupling on the transport and capture of the magnetic particles. An Eulerian–Lagrangian technique is adopted to resolve the hemodynamic flow and the motion of the magnetic particles in the flow using ansys fluent. An implantable cylindrical permanent magnet insert is used to create the requisite magnetic field. Targeted transport of the magnetic particles in a partly occluded vessel differs distinctly from the same in a regular unblocked vessel. Parametric investigation is conducted and the influence of the flow Re, magnetic insert diameter, and its radial and axial position on the “targeting efficiency” is reported. Analysis shows that there exists an optimum regime of operating parameters for which deposition of the drug-carrying magnetic particles in a predesignated target zone on the partly occluded vessel wall can be maximized. The results provide useful design bases for in vitro set up for the investigation of MDT in stenosed blood vessels.
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Future Institute of Engineering and Management,
Kolkata 700150,
Jadavpur University,
Kolkata 700098,
Jadavpur University,
Kolkata 700098,
Future Institute of Engineering and Management,
Kolkata 700150,
e-mail: moloy_kb@yahoo.com
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August 2013
Research-Article
Lagrangian Magnetic Particle Tracking Through Stenosed Artery Under Pulsatile Flow Condition
Sayan Bose,
Future Institute of Engineering and Management,
Kolkata 700150,
Sayan Bose
Department of Mechanical Engineering
,Future Institute of Engineering and Management,
Sonarpur Station Road
,Kolkata 700150,
India
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Amitava Datta,
Jadavpur University,
Kolkata 700098,
Amitava Datta
Department of Power Engineering
,Jadavpur University,
Salt Lake Campus
,Kolkata 700098,
India
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Ranjan Ganguly,
Jadavpur University,
Kolkata 700098,
Ranjan Ganguly
Department of Power Engineering
,Jadavpur University,
Salt Lake Campus
,Kolkata 700098,
India
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Moloy Banerjee
Future Institute of Engineering and Management,
Kolkata 700150,
e-mail: moloy_kb@yahoo.com
Moloy Banerjee
1
Department of Mechanical Engineering
,Future Institute of Engineering and Management,
Sonarpur Station Road
,Kolkata 700150,
India
e-mail: moloy_kb@yahoo.com
1Corresponding author.
Search for other works by this author on:
Sayan Bose
Department of Mechanical Engineering
,Future Institute of Engineering and Management,
Sonarpur Station Road
,Kolkata 700150,
India
Amitava Datta
Department of Power Engineering
,Jadavpur University,
Salt Lake Campus
,Kolkata 700098,
India
Ranjan Ganguly
Department of Power Engineering
,Jadavpur University,
Salt Lake Campus
,Kolkata 700098,
India
Moloy Banerjee
Department of Mechanical Engineering
,Future Institute of Engineering and Management,
Sonarpur Station Road
,Kolkata 700150,
India
e-mail: moloy_kb@yahoo.com
1Corresponding author.
Manuscript received December 5, 2013; final manuscript received February 5, 2014; published online February 26, 2014. Assoc. Editor: Abraham Wang.
J. Nanotechnol. Eng. Med. Aug 2013, 4(3): 031006 (10 pages)
Published Online: February 26, 2014
Article history
Received:
December 5, 2013
Revision Received:
February 5, 2014
Citation
Bose, S., Datta, A., Ganguly, R., and Banerjee, M. (February 26, 2014). "Lagrangian Magnetic Particle Tracking Through Stenosed Artery Under Pulsatile Flow Condition." ASME. J. Nanotechnol. Eng. Med. August 2013; 4(3): 031006. https://doi.org/10.1115/1.4026839
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