Hydrodynamica
Hydrodynamica - 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.
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.
03:48
Hydrodynamic Gene Delivery: A Technique for In Vivo Transfection of Exogenous DNA in Murine Hepatocytes via Tail Vein Injection
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2025
This video describes the technique of genetic in vivo transfection of murine hepatocytes by hydrodynamic tail vein injection. This transfection system generates a long-term expression of the transgene in the hepatocytes.
03:36
Hydrodynamic Renal Pelvis Injection: A Technique to Directly Deliver DNA into Kidney Cells of Murine Model
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2023
In this video, we present the protocol for hydrodynamic injection of plasmids into the renal pelvis of the mouse kidney for nucleic acid transfection. This technique allows organ-specific delivery of plasmids by utilizing the principle of high hydrostatic pressure, which forcefully drives the plasmids into the specific site without causing tissue injury.
FAQs
Density connects the amount of fluid present to the momentum and forces involved in motion, while viscosity describes a fluid property that influences how it responds to movement. Including both properties helps relate pressure, velocity, and forces more realistically. Their roles become especially important when comparing flow behavior in different liquids, gases, pipes, or channels.
Conservation of mass, momentum, and energy provides the framework for connecting changing fluid conditions. Mass conservation constrains how flow is distributed, momentum conservation relates motion to forces, and energy conservation links changes in the system to energetic effects. Together, these principles allow physicists to organize hydrodynamic descriptions rather than treating pressure or velocity as isolated quantities.
Boundary conditions specify how the fluid system is constrained at its edges or interfaces. Because pressure, velocity, and forces must be evaluated under defined conditions, changing those constraints can change the predicted flow. This makes boundary conditions essential when studying movement through pipes and channels, as well as natural systems where the surrounding environment limits fluid behavior.
These phenomena represent different patterns of fluid motion that hydrodynamic analysis can examine through changes in velocity, pressure, and forces. Waves emphasize organized motion, currents describe directed fluid movement, and turbulence concerns more complex flow behavior. Applying conservation principles under suitable conditions helps relate the observed pattern to the physical causes acting within the fluid.
A typical analysis begins by identifying the fluid system, its density and viscosity, and the relevant boundaries. The investigator then applies conservation of mass, momentum, and energy to connect pressure, velocity, and forces. The resulting description can be used to interpret flow in a pipe, channel, natural environment, or engineered device while keeping the stated conditions explicit.
Hydrodynamic analysis supports hydraulic engineering by describing flow through pipes and channels, while atmospheric science applies related reasoning to moving gases. It also contributes to ship design, where fluid motion and forces matter, and to studies of natural currents and waves. These applications show how the same physical principles can address both engineered and environmental systems.
Biomedical flow studies can use hydrodynamic principles to examine how fluids move when pressure, velocity, forces, density, viscosity, and boundary conditions interact. The conservation laws provide a physics-based way to organize those relationships. This places biomedical investigations alongside hydraulic, atmospheric, and marine applications while preserving a common framework for analyzing fluid behavior.