Pvdf-ctfe
Pvdf-ctfe - Related Videos
07:17
Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
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Cited by 1 •
2018
The protocol here is dedicated to investigating the free and quick maneuvering of water strider on water surface. The protocol includes observing the microstructure of legs and measuring the adhesion force when departing from water surface at different speeds.
08:05
Transplantation of Schwann Cells Inside PVDF-TrFE Conduits to Bridge Transected Rat Spinal Cord Stumps to Promote Axon Regeneration Across the Gap
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Cited by 10 •
2017
This article describes a technique to insert a hollow conduit between the spinal cord stumps after complete transection and fill with Schwann cells (SCs) and injectable basement membrane matrix in order to bridge and promote axon regeneration across the gap.
06:00
SUMOylation Assay: An In Vitro Technique to Detect the SUMOylation Status of Substrate Proteins by Immunoblotting
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2025
This video demonstrates the in vitro method for SUMOylation of substrate proteins using a sequential enzyme cascade. Further, the SUMOylated status of the protein is identified using the electrophoresis and immunoblotting technique.
03:02
Oncolytic Virus Purification from Infected Mammalian Cells
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2026
Source: Nguyen, H., et al. Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus. J. Vis. Exp. (2021)This video demonstrates the purification of an oncolytic virus from infected mammalian cell cultures using nuclease treatment, sequential centrifugation, membrane filtration, and sucrose cushion centrifugation.
02:58
Immunoblot Analysis of Apoptosis Inhibition in Host Cells Expressing an Antiapoptotic Bacterial Protein
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2026
Source: Berens, C. et al. Applying an Inducible Expression System to Study Interference of Bacterial Virulence Factors with Intracellular Signaling. J. Vis. Exp. (2015)This video demonstrates the use of immunoblotting to assess apoptosis inhibition by the bacterial effector protein CaeB in human cells. It outlines the steps for detecting apoptotic markers following doxycycline-induced expression of pro-apoptotic proteins in host cells expressing the effector.
FAQs
The two monomer units contribute different structural features to the copolymer. Polar vinylidene fluoride units support dipole formation, while chlorotrifluoroethylene units modify the polymer structure in ways that promote dipole alignment. This combination helps produce useful electrical and mechanical behavior, allowing the material to respond to both applied electric fields and mechanical deformation.
Electrical poling aligns molecular dipoles within the material, establishing an organized polarization rather than a random distribution of dipole directions. That alignment supports ferroelectric and piezoelectric behavior and strengthens the material’s usefulness as a dielectric. In practice, poling determines whether a processed film or composite can efficiently participate in electromechanical conversion.
These responses describe different aspects of the same electroactive behavior. Dielectric behavior concerns the material’s electrical response, ferroelectric behavior reflects switchable polarization, and piezoelectric behavior links mechanical deformation with electrical signals. Considering them together helps explain why PVDF-CTFE can serve both sensing functions, which detect deformation, and actuation functions, which produce motion.
A study generally begins by processing PVDF-CTFE into a usable form, such as a film or composite, followed by electrical poling to align its dipoles. The prepared material can then be examined under mechanical deformation or an applied electric field. This workflow connects processing conditions and polarization state with the resulting electrical or mechanical performance.
PVDF-CTFE is relevant to flexible sensors, actuators, energy-harvesting devices, and capacitors. Sensors use deformation-related electrical signals, whereas actuators use electrical fields to produce motion. Its combination of mechanical flexibility, low weight, and functional electrical performance makes it suitable for technologies where rigid active materials would be less compatible with bending or lightweight designs.
When the material is mechanically deformed, its piezoelectric response can generate an electrical signal, providing a basis for sensing and energy harvesting. The conversion can also operate in the opposite direction: an applied electric field can produce mechanical motion, supporting actuation. Films and composites provide practical material formats for incorporating these conversions into lightweight devices.