Fiber Morphology
Fiber Morphology - Related Videos
08:36
Semi-automated Analysis of Mouse Skeletal Muscle Morphology and Fiber-type Composition
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Cited by 26 •
2017
Immunohistochemical staining of myosin heavy chain isoforms has emerged as the state-of-the-art discriminator of skeletal muscle fiber-type (i.e., type I, type IIA, type IIX, type IIB). Here, we present a staining protocol along with a novel semi-automated algorithm that facilitates rapid assessment of fiber-type and fiber morphology.
08:28
Microfluidic Dry-spinning and Characterization of Regenerated Silk Fibroin Fibers
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Cited by 6 •
2017
A protocol for the microfluidic spinning and microstructure characterization of regenerated silk fibroin monofilament is presented.
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.
09:22
Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
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2017
Here, we present a protocol to prepare and visualize secondary structures (e.g., fibers, toroidal architectures, and nano-spheres) derived from helical polycarbodiimides. The morphology characterized by both atomic force microscopy (AFM) and scanning electron microscopy (SEM) was shown to depend on molecular structure, concentration, and the solvent of choice.
01:48
Classification of Skeletal Muscle Fibers
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2019
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions. Slow-Twitch Muscle Fibers Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
FAQs
Solution concentration, flow, electric field, drawing, and solidification can change how fibers form and organize. These conditions influence measurable features such as diameter, length, alignment, porosity, surface texture, and cross-sectional shape. Adjusting them allows engineers to connect manufacturing choices with the resulting structure, which is essential when targeting a specific biological response or device performance.
Diameter and alignment help determine how cells interact with a fibrous structure. Their arrangement can influence cell attachment, orientation, migration, and tissue-specific growth, particularly in biomimetic scaffolds. Measuring these features therefore provides more than a description of appearance: it helps explain how the scaffold may guide cellular organization and support a desired regenerative outcome.
Surface texture, porosity, and cross-sectional shape provide distinct structural variables that can change the behavior of a fiber assembly. Together with diameter, length, and alignment, they describe how the material is organized and help relate structure to function. Controlling these characteristics supports the design of fibrous materials for biological environments and other performance-sensitive applications.
Material composition and fabrication conditions jointly shape the final fiber structure rather than acting as isolated design variables. The resulting morphology can then influence cell attachment, orientation, migration, and tissue-specific growth. This connection gives bioengineers a route from material selection and processing to scaffold behavior, allowing structural measurements to guide functional design decisions.
A useful characterization records fiber diameter, length, alignment, surface texture, porosity, and cross-sectional shape at the level of individual fibers and assemblies. Comparing these measurements with the material composition and fabrication conditions helps identify which structural features changed during processing. The resulting dataset supports quantitative links between manufacturing parameters, biological behavior, and device performance.
Engineers tune the structural features of fibers and fiber assemblies to create scaffolds that reproduce relevant aspects of biological organization. Quantitative morphology helps assess whether processing produced the intended arrangement and whether that arrangement may support cell attachment, orientation, migration, or tissue-specific growth. This makes morphology a practical design bridge between scaffold fabrication and regenerative medicine.
Controlled fibrous structure supports several bioengineering applications, including drug delivery, wound repair, and regenerative medicine. In each case, morphology provides a way to relate material processing to performance, while scaffold organization can affect cellular responses. Characterizing the fibers helps engineers select and refine structures suited to the intended biological or device function.