Single Fiber Isolation
Single Fiber Isolation - Related Videos
03:55
In Vivo Single-Fiber Recording of Sciatic Nerve C-Fibers in Rats
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2025
This video demonstrates a single-fiber recording of C-fiber nerve conduction in rats. An anesthetized rat is incised to expose the sciatic nerve, which provides sensory and motor supply to the lower limbs. The individual C-fibers are then exposed. Electrical stimulation is provided using stimulus electrodes implanted in the foot, and a response is recorded from a single nerve fiber.
08:41
Dissection of Single Skeletal Muscle Fibers for Immunofluorescent and Morphometric Analyses of Whole-Mount Neuromuscular Junctions
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Cited by 3 •
2021
The ability to accurately detect neuromuscular junction components is crucial in evaluating modifications in its architecture because of pathological or developmental processes. Here we present a complete description of a straightforward method to obtain high-quality images of whole-mount neuromuscular junctions that can be used to perform quantitative measurements.
04:30
Stimulated Single Fiber Electromyography (SFEMG) for Assessing Neuromuscular Junction Transmission in Rodent Models
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Cited by 3 •
2024
In this study, we demonstrate a refined single fiber electromyography (SFEMG) protocol to allow in vivo measurement of neuromuscular junction (NMJ) transmission in rodent models. A step-by-step approach to the SFEMG technique is described to allow quantification of NMJ transmission variability and failure in rat gastrocnemius muscle.
08:31
Isolation and Genome Analysis of Single Virions using 'Single Virus Genomics'
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Cited by 2 •
2013
Single Virus Genomics (SVG) is a method to isolate and amplify the genomes of single virons. Viral suspensions of a mixed assemblage are sorted using flow cytometry onto a microscope slide with discrete wells containing agarose, thereby capturing the virion and reducing genome shearing during downstream processing. Whole genome amplification is achieved using multiple displacement amplification (MDA) resulting in genomic material that is suitable for sequencing.
06:07
RNA Isolation from Mouse Ocular Lens Epithelium and Fiber Cell Bulk Masses
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2025
This protocol details the separation of the mouse ocular lens epithelium and fiber cell bulk mass, followed by RNA isolation and qPCR analysis. This method allows for separating lens cell compartments for a more detailed analysis of the transcriptome and biological processes in epithelial cells vs. differentiated fiber cells.
FAQs
Microscopic guidance helps the operator distinguish the target fiber from surrounding matrix or connective material during dissection or dissociation. Removal must expose the fiber without compromising its intact state, while a suitable buffer or culture environment supports handling after separation. This combination helps measurements focus on the fiber itself rather than material that remains attached.
Bulk samples combine signals from many fibers, so they can conceal differences in morphology, mechanical properties, electrical behavior, viability, or molecular composition. Studying one isolated fiber assigns those observations to a specific structural unit instead of averaging them across a bundle. That resolution supports more precise comparisons among specimens and clearer evaluation of how individual fibers function.
Using the same fiber-level measurements for native and engineered specimens creates a direct basis for comparison. Researchers can examine whether the two sources differ in morphology, mechanical properties, electrical behavior, viability, or molecular composition. Those results can inform models of tissue function and guide evaluation of engineered materials or fibers intended to reproduce relevant features of native tissue.
Work typically begins with specimen dissection or dissociation under microscopic guidance. The surrounding matrix or connective material is then removed while the selected fiber remains intact. Throughout handling, the fiber is maintained in a suitable buffer or culture environment. This workflow links physical separation with preservation of the sample required for later bioengineering measurements.
An isolated fiber can be assessed across several complementary dimensions: morphology, mechanical properties, electrical behavior, viability, and molecular composition. Examining these dimensions together provides a more complete picture than relying on a single readout. The resulting profile can be used to evaluate tissue function, characterize engineered designs, and identify differences between native and engineered fibers.
In bioengineering, the technique is useful when researchers need to model tissue function at the fiber level or assess whether an engineered fiber resembles a native one. It also contributes to biomaterial design by supplying measurements for comparing candidate structures. In regenerative medicine and muscle research, these data support more reliable evaluation of fiber behavior and composition.