Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

DNA as a Genetic Template02:05

DNA as a Genetic Template

27.8K
Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
27.8K
DNA as a Genetic Template02:05

DNA as a Genetic Template

9.5K
9.5K
Calculating pH Changes in a Buffer Solution02:45

Calculating pH Changes in a Buffer Solution

58.6K
A buffer can prevent a sudden drop or increase in the pH of a solution after the addition of a strong acid or base up to its buffering capacity; however, such addition of a strong acid or base does result in the slight pH change of the solution. The small pH change can be calculated by determining the resulting change in the concentration of buffer components, i.e., a weak acid and its conjugate base or vice versa. The concentrations obtained using these stoichiometric calculations can be used...
58.6K
Complementary DNA01:44

Complementary DNA

31.6K
Overview
31.6K
Bacterial RNA Polymerase00:43

Bacterial RNA Polymerase

32.8K
Unlike eukaryotes, bacteria use a single RNA Polymerase (RNAP) to transcribe all genes. The different subunits of bacterial RNAPhave distinct functions. The multisubunit structure of the bacterial RNAP helps the enzyme to maintain catalytic function, facilitate assembly, interact with DNA and RNA, and self-regulate its activity.
In most genes, the transcription site is a single base present upstream of the coding sequence. Though RNAP is a catalytically efficient enzyme, it does not recognize...
32.8K
Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

26.7K
An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
26.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Distinguishing intrinsic and interfacial pyroelectric effects by polarization reversal measurements.

Nature communications·2026
Same author

Programmable Bipolar Photocurrents in Water-Templated Nanoporous Ferroelectrics for Filter-Free Spectral Recognition.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Waterborne pathogen mitigation: Decoding techno-ecological synergies in multiscale transmission networks.

Innovation (Cambridge (Mass.))·2026
Same author

Drift-free ferroelectric photodetection with fast temporal response via thermal diffusion engineering.

Nature communications·2026
Same author

Intrinsically microporous polymer (PIM-1) enhanced degradation of heptadecafluoro-1-nonanol at graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>).

RSC advances·2026
Same author

A switchable dynamic-static tactile system for augmented haptic secret communication.

Science advances·2025
Same journal

Nanopore sequencing with proteins: synchronization and dischronization of molecular dynamics simulations with laboratory and industrial developments.

Soft matter·2026
Same journal

Catanionics from biosurfactants and regular surfactants: miscibility and structure.

Soft matter·2026
Same journal

Adhesives with a thickness smaller than the fractocohesive length enhance adhesion.

Soft matter·2026
Same journal

Non-equilibrium phase transitions in hybrid Voronoi models of cell colonies.

Soft matter·2026
Same journal

Effects of methoxy substituents on self-assembly and gelation performance of benzamide-based organogelators.

Soft matter·2026
Same journal

Rheology of <i>Escherichia coli</i> suspensions with various bacterial morphologies and motion characteristics.

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Jan 31, 2026

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification
09:43

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification

Published on: May 5, 2017

9.2K

Ice-templated poly(vinylidene fluoride) ferroelectrets.

Yan Zhang1, Chris R Bowen, Sylvain Deville

  • 1Department of Mechanical Engineering, University of Bath, Bath, UK. yanzhangmaterial@hotmail.com.

Soft Matter
|December 20, 2018
PubMed
Summary
This summary is machine-generated.

Freeze casting offers a cost-effective, eco-friendly method for producing ferroelectrets, a type of piezoelectrically-active polymer foam. This novel approach enables tailored pore structures for advanced sensor and energy harvesting applications.

More Related Videos

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.8K
18F-Labeling of Radiotracers Functionalized with a Silicon Fluoride Acceptor SiFA for Positron Emission Tomography
09:57

18F-Labeling of Radiotracers Functionalized with a Silicon Fluoride Acceptor SiFA for Positron Emission Tomography

Published on: January 11, 2020

8.1K

Related Experiment Videos

Last Updated: Jan 31, 2026

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification
09:43

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification

Published on: May 5, 2017

9.2K
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.8K
18F-Labeling of Radiotracers Functionalized with a Silicon Fluoride Acceptor SiFA for Positron Emission Tomography
09:57

18F-Labeling of Radiotracers Functionalized with a Silicon Fluoride Acceptor SiFA for Positron Emission Tomography

Published on: January 11, 2020

8.1K

Area of Science:

  • Materials Science
  • Polymer Science
  • Nanotechnology

Background:

  • Ferroelectrets are piezoelectrically-active polymer foams used in sensors and energy harvesting.
  • Current production methods involve complex mechanical stretching and chemical dissolution.
  • There is a need for simpler, more sustainable manufacturing processes.

Purpose of the Study:

  • To demonstrate freeze casting as a novel, cost-effective, and environmentally friendly method for producing polymeric ferroelectrets.
  • To analyze the properties of ferroelectrets produced via freeze casting.
  • To explore the potential of this method for creating tailored pore structures.

Main Methods:

  • Freeze casting was employed to create porous poly(vinylidene fluoride) (PVDF) based ferroelectrets.
  • Porosity volume fractions were varied from 24% to 78%.
  • Pore morphology, phase analysis, relative permittivity, and piezoelectric charge coefficient (d33) were analyzed. Corona poling was used.

Main Results:

  • Freeze casting successfully produced polymeric ferroelectrets with varying porosity.
  • Directional freezing resulted in aligned pore channels, beneficial for polarization.
  • A high piezoelectric charge coefficient (d33) of approximately 264 pC/N was achieved.

Conclusions:

  • Freeze casting is a viable and sustainable method for manufacturing ferroelectrets.
  • The aligned pore structures created by directional freezing enhance piezoelectric properties.
  • This technique opens new avenues for designing ferroelectric materials for transducer applications.