Magnetic Control
Magnetic Control - Related Videos
11:27
Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
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Cited by 10 •
2013
Current applied to an endovascular microcatheter with microcoil tip made by laser lathe lithography can achieve controllable deflections under magnetic resonance (MR) guidance, which may improve speed and efficacy of navigation of vasculature during various endovascular procedures.
08:39
Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release
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Cited by 9 •
2017
This manuscript describes the preparation of magnetic and thermal-sensitive microgels via a temperature-induced emulsion without chemical reaction. These sensitive microgels were synthesized by mixing poly(N-isopropylacrylamide) (PNIPAAm), polyethylenimine (PEI) and Fe3O4-NH2 nanoparticles for the potential use in magnetically and thermally triggered drug-release.
09:27
A Magnetic Tether System to Investigate Visual and Olfactory Mediated Flight Control in Drosophila
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Cited by 32 •
2008
Here we describe how to tether a fly in an olfactory magnetic-tether (OMT) apparatus. We describe how to align the rare-earth magnets and odor ports, and how to set mass flow rates for both the stimulus delivery and vacuum suction to achieve optimal odor tracking.
09:11
Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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Cited by 10 •
2016
We present a facile method to fabricate a biodegradable gelatin-based drug release platform that is magneto-thermally responsive. This was achieved by incorporating superparamagnetic iron oxide nanoparticles and poly(N-isopropylacrylamide-co-acrylamide) within a spherical gelatin micro-network crosslinked by genipin, in conjunction with an alternating magnetic field application system.
10:50
Isolation of Labile Multi-protein Complexes by in vivo Controlled Cellular Cross-Linking and Immuno-magnetic Affinity Chromatography
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Cited by 37 •
2010
The cell permeable crosslinker DSP [dithiobis-(succinimidyl propionate)] stabilizes transient and labile interactions in vivo, which allows their isolation using stringent protein complex purification techniques. Here we present a technique for crosslinking cells grown in culture followed by isolation of protein complexes by immunoprecipitation.
FAQs
Field strength and field gradients are key variables governing how engineered magnetic particles, beads, or implants respond. Their effects contribute to the forces and torques used to position or regulate these components. Adjusting these field characteristics supports spatially selective guidance, transport, or manipulation within biological environments.
Material properties determine how strongly engineered components respond to an applied magnetic field and how effectively they can be directed or regulated. These differences influence whether a system is suited to guiding cells, separating biomolecules, transporting therapeutic payloads, or manipulating microscale devices in a biological setting.
Magnetic forces help direct or position engineered objects, while magnetic torques contribute to their regulation and orientation. Together, these effects allow externally applied fields to influence particles, beads, implants, and soft or microscale devices. Their coordinated action enables remote manipulation without requiring direct physical handling of the target.
Spatial selectivity comes from applying magnetic fields so that their effects are directed toward particular locations or components. Because engineered magnetic materials respond to these externally controlled conditions, researchers can guide cells, move therapeutic payloads, or manipulate devices at chosen sites. This capability is especially relevant when direct access would be difficult.
A basic approach begins by incorporating an engineered magnetic particle, bead, implant, or comparable component into the biological system. An external magnetic field is then applied and adjusted to produce the desired forces or torques. The resulting motion or regulation can be used for guidance, separation, transport, or microscale manipulation.
Applications include targeted drug delivery, tissue engineering, diagnostic assays, and minimally invasive biomedical technologies. Depending on the engineered magnetic component and field conditions, systems can guide cells, separate biomolecules, transport therapeutic payloads, or manipulate soft and microscale devices. These outcomes support remote control and more spatially selective biomedical operations.