Magneto-hydrodynamic Effect
Magneto-hydrodynamic Effect - Related Videos
10:13
A Microfluidic-based Hydrodynamic Trap for Single Particles
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Cited by 14 •
2011
In this article, we present a microfluidic-based method for particle confinement based on hydrodynamic flow. We demonstrate stable particle trapping at a fluid stagnation point using a feedback control mechanism, thereby enabling confinement and micromanipulation of arbitrary particles in an integrated microdevice.
03:08
Detecting Bacterial Contamination Using Magneto-fluorescent Nanosensors
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2025
This video demonstrates a technique to detect bacterial contaminants in food and water samples using nanosensors. The target pathogenic bacteria are detected through a combination of magnetic relaxation and fluorescence emission modalities.
12:54
Transient Expression of Proteins by Hydrodynamic Gene Delivery in Mice
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Cited by 26 •
2014
In vivo transfection of naked DNA by hydrodynamic gene delivery introduces genes into the tissue of an animal with minimal inflammatory response. Sufficient amounts of gene product are generated such that gene function and regulation as well as protein structure and function can be analyzed.
11:12
Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
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Cited by 5 •
2013
There has been renewed interest in developing polymer valves. Here, the objectives are to demonstrate the feasibility of modifying a commercial pulse duplicator to accommodate tri-leaflet geometries and to define a protocol to present polymer valve hydrodynamic data in comparison to native and prosthetic valve data collected under near-identical conditions.
09:04
Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7
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Cited by 14 •
2017
The overall goal of this protocol is to synthesize functional nanosensors for the portable, cost-effective, and rapid detection of specifically targeted pathogenic bacteria through a combination of magnetic relaxation and fluorescence emission modalities.
FAQs
The Lorentz force acts on charged particles when a conducting fluid moves through a magnetic field. This force drives the interaction between the fluid’s motion and the electromagnetic environment, allowing the flow to be altered rather than remaining independent of the field. The principle is central to understanding behavior in plasmas, liquid metals, and other ionized media.
Induced electric currents provide the electrical response that links fluid motion to magnetic forces. Once motion through a magnetic field produces currents, those currents contribute to electromagnetic effects that can modify the original flow. This feedback makes the system coupled: fluid motion affects the electromagnetic state, while that state influences subsequent fluid behavior.
The conducting fluid does not simply react once to an applied magnetic field. Its motion and induced currents can produce a resulting magnetic field, which then acts back on the fluid. This reciprocal interaction helps explain why magnetohydrodynamic systems can display coordinated changes in flow and electromagnetic behavior rather than a one-way force response.
The same coupled physical principle can be examined in different conducting media. In plasmas and other ionized environments, charged particles support the electromagnetic interaction, while liquid metals provide a conducting fluid for related behavior. Comparing these settings helps physics researchers study how fluid motion and magnetic forces operate across stellar, planetary, and laboratory environments.
Begin by identifying the conducting fluid and the magnetic field, then consider how the fluid moves through that field. Next, follow the Lorentz-force response and the electric currents induced by the motion. Finally, account for the magnetic field produced by the system and its feedback on the flow. This sequence organizes analysis of the coupled behavior.
Its applications arise wherever controlling a conducting fluid can influence transport or energy conversion. Researchers and engineers apply the principle to magnetic confinement and laboratory plasmas, while liquid-metal systems support pumping and electromagnetic processing. Power-generation systems also use the interaction to connect fluid control with energy conversion, linking fundamental physics to practical system design.