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The paper describes the choice of a thermoresponsive material for the implementation of untethered medical microrobots and other microdevices. These entities can be propelled at a specific location in the body using a Magnetic Resonance Imaging (MRI) system while being actuated for various functions such as the release of drugs by a volume change induced by hyperthermia of nanoparticles embedded in...
MC-1 Magnetotactic Bacteria (MTB) are studied for their potential use as bio-carriers for drug delivery. The exploitation of the flagella combined with nanoparticles magnetite or magnetosomes chain embedded in each bacterium and used to change the swimming direction of each MTB through magnetotaxis provide both propulsion and steering in small diameters blood vessels. But for guiding these MTB towards...
Magnetic resonance imaging (MRI) scanners can be used with minimum upgrades as integrated platforms for targeted delivery of micro/nanoparticles in the human body. In addition to being widespread in hospitals, they provide real-time tracking, control and means of propulsion for magnetic devices without penetration depth limitations. From these positive features, MRI appears as the perfect central...
Magnetic resonance imaging characteristics of novel potential drug delivery agents are investigated. Candidate carriers considered in this study are iron-cobalt (Fe-Co) nanoparticles, magnetotactic bacteria (MTB), and magnetite (Fe3O4) microparticles. The micro and nanoparticles are highly magnetic and can be steered using gradient coils. MTB, on the other hand, are microorganisms that naturally follow...
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