Magnetic Particle Trapping in a Branched Blood Vessel in the Presence of Magnetic Field Trapping of Magnetic Nanoparticles in the Blood Stream under the Influence of a Magnetic Field Trapping of Magnetic Nanoparticles in the Blood Stream under the Influence of a Magnetic Field Magnetic Particle Trapping in a Branched Blood Vessel in the Presence of Magnetic Field‏ A theoretical model for the delivery of magnetic nanoparticles through a blood vessel under the influence of a magnetic field