Radial Strain
Radial Strain - Related Videos
02:39
Evaluating Motor Impairment in C. elegans Models Using the Radial Locomotion Assay
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2025
This video demonstrates the use of a radial locomotion assay to evaluate motor dysfunction in C. elegans expressing either wild-type or ALS-mutant human TDP-43 protein. Worms with varying levels of wild-type or mutant TDP-43 expression are allowed to crawl, and their movement is measured by the radial distance traveled from the central point on the assay plate. The assay distinguishes between mild, moderate, and severe motor impairments based on the distance traveled by the different C. elegans...
02:58
Measurement of Compressive Stress-Strain Response at Small-Strains
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2025
This protocol presents the configuration of a compression test device capable of precisely measuring the mechanical properties of microstructures in the small-strain region, along with a systematic method for compression testing using this device. The proposed device can be used to analyze various microstructures and the mechanical behavior of polymer-based materials.
01:23
Radial System Protection
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2024
Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system. In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
08:09
Use of an Eight-arm Radial Water Maze to Assess Working and Reference Memory Following Neonatal Brain Injury
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Cited by 61 •
2013
The eight-arm radial water maze is designed to evaluate reference and working memory performance simultaneously by requiring subjects to use extra-maze cues to locate escape platforms and remedies the limitations observed in land based radial arm maze designs.
02:59
Time-Lapse Imaging of Cortical Neuron Radial Migration in Transduced Mouse Embryonic Brain Slices
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2025
Source: Wiegreffe, C., et. al., Time-lapse Confocal Imaging of Migrating Neurons in Organotypic Slice Culture of Embryonic Mouse Brain Using In Utero Electroporation. J. Vis. Exp. (2017) This video demonstrates time-lapse confocal microscopy to observe cortical neuron radial migration from the subventricular zone to the cortical plate via radial glial scaffolds in transduced mouse embryonic brain slices.
FAQs
Radial strain focuses on changes perpendicular to a central axis, whereas an axial measurement concerns lengthwise deformation. This distinction matters when a structure experiences pressure or stretching that changes its diameter or thickness without producing the same change along its main axis. Separating these directions helps researchers describe tissue or material responses more precisely under mechanical loading.
Pressure, stretching, and other external forces can change radial dimensions by causing expansion or contraction across a structure. The measured response depends on the condition being applied and the original reference dimension used for comparison. In infection studies, examining these changes under controlled conditions can reveal whether inflammation or infection is associated with altered tissue mechanics.
Mechanical changes across infected or inflamed tissue may influence how well a biological barrier maintains its structure and how immune cells respond to their physical environment. Measuring radial strain provides a way to characterize those changes rather than relying only on visual or qualitative observations. The resulting measurements can help connect tissue deformation with disease progression and local immune responses.
A typical measurement begins by establishing an original radial length, diameter, or thickness, followed by determining the corresponding dimension after pressure, stretching, infection, or inflammation-related change. Imaging or displacement measurements can supply the dimensional values. Researchers then calculate the relative change and compare results across controlled conditions to identify differences in mechanical response.
Investigators can use these measurements to characterize mechanical changes in tissues affected by infection or inflammation. Comparing radial strain between experimental conditions may show whether a biological structure expands, contracts, or changes its mechanical response. This information adds a physical dimension to studies of barrier integrity, immune cell behavior, and the progression of disease.
Comparisons made under controlled conditions can indicate how infected or inflamed tissues respond to physical forces relative to another condition or reference state. A change in the measured value may provide evidence of altered tissue mechanics, but its significance must be considered alongside the biological setting. In immunology and infection research, this supports analysis of relationships among deformation, barrier function, immune activity, and progression.