Mechanical Loading Device
Mechanical Loading Device - Related Videos
11:36
Ex vivo Mechanical Loading of Tendon
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2007
A new in vitro system for simultaneously loading four tendons in culture is described.
06:02
Production of siRNA-Loaded Lipid Nanoparticles using a Microfluidic Device
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Cited by 14 •
2022
Microfluidic-based lipid nanoparticle (LNP) production methods have attracted attention in drug delivery systems (DDSs), including RNA delivery. This protocol describes the fabrication, LNP (siRNA-loaded LNP) production, and LNP evaluation processes using our original microfluidic device named iLiNP.
08:04
Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
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Cited by 24 •
2013
We designed a novel mechanical loading bioreactor that can apply uniaxial or biaxial mechanical strain to a cartilage biocomposite prior to transplantation into an articular cartilage defect.
05:06
Mechanical Dissociation of Tissues for Single Cell Analysis Using a Motorized Device
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Cited by 3 •
2023
A general protocol for the combined enzymatic and semi-automated mechanical dissociation of tissues to generate single-cell suspensions for downstream analyses, such as flow cytometry, is provided. Instructions for the fabrication, assembly, and operation of the low-cost mechanical device developed for this protocol are included.
10:39
Using a Microfluidics Device for Mechanical Stimulation and High Resolution Imaging of C. elegans
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Cited by 18 •
2018
New tools for mechanobiology research are needed to understand how mechanical stress activates biochemical pathways and elicits biological responses. Here, we showcase a new method for selective mechanical stimulation of immobilized animals with a microfluidic trap allowing high-resolution imaging of cellular responses.
FAQs
Force, displacement, loading rate, and cycle frequency define the imposed mechanical condition. Force specifies the applied load, whereas displacement specifies movement or deformation; loading rate controls how quickly the condition changes, and cycle frequency determines how often it repeats. Controlling these variables allows bioengineering experiments to compare biological responses under deliberately different mechanical environments.
Compression and tension apply opposing types of mechanical action to a specimen. Compression pushes material or tissue together, while tension pulls it apart. Selecting between them helps researchers examine responses to distinct loading modes and evaluate whether cells, tissues, biomaterials, or engineered constructs behave appropriately under the mechanical conditions relevant to their intended environment.
Loading rate and cycle frequency determine the timing and repetition of mechanical cues rather than only their magnitude. Changing either variable can expose a tissue, cell system, or construct to a different mechanical history, making controlled comparisons possible. This is important when assessing how mechanical stimulation influences cell behavior, tissue maturation, or construct performance.
Measurements collected during loading connect the imposed mechanical condition with the response of the biological or engineered specimen. Their analysis can indicate how cells respond to mechanical cues, whether tissue maturation changes, and how well a biomaterial or scaffold maintains structural integrity. These outcomes help researchers relate controlled loading conditions to construct design and performance.
A typical workflow begins by selecting the tissue, cells, biomaterial, or engineered construct and defining the intended loading mode. The researcher then sets force or displacement together with loading rate and cycle frequency, applies the controlled condition, and collects measurements during or after loading. The resulting data are interpreted in relation to biological response or structural performance.
In tissue engineering, controlled loading is useful for examining how mechanical cues affect tissue maturation and for evaluating whether engineered constructs can tolerate intended conditions. Researchers can compare constructs exposed to defined compression, tension, or other loading regimens, then use the resulting response and integrity data to inform scaffold or construct design for physiological loads.