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

Structural Properties and Dimensions of Lumber01:21

Structural Properties and Dimensions of Lumber

394
Wood's structural properties derive from fibers aligned along the tree's length, contributing significantly to its mechanical strength. Wood exhibits up to twenty times greater tensile strength along these fibers compared to across them, and generally shows better performance under compression than tension. The length of fibers varies, with hardwoods having fibers around one twenty-fifth inch long and softwoods ranging from one-eighth to one-third inch.
The strength characteristics of...
394
Structure and Physical Properties of Alkynes02:37

Structure and Physical Properties of Alkynes

13.1K
Introduction:
In nature, compounds containing both carbon and hydrogen are known as "hydrocarbons". Aliphatic hydrocarbons are compounds whose molecules contain saturated single bonds (i.e., alkanes) or unsaturated double or triple bonds. Alkenes contain carbon–carbon double bonds and have a structural formula CnH2n. Unsaturated hydrocarbons containing carbon–carbon triple bonds are called "alkynes" and are structurally represented by the formula CnH2n-2.
The...
13.1K
Stereoisomerism of Cyclic Compounds02:33

Stereoisomerism of Cyclic Compounds

11.0K
In this lesson, we delve into the role of ring conformation and its stability, which determines the spatial arrangement and, consequently, the molecular symmetry and stereoisomerism of cyclic compounds. 1,2-Dimethylcyclohexane is used as a case study to evaluate the possible number of stereoisomers. Here, given the multiple (n = 2) chiral centers, there are 2n = 4 possible configurations that lack a plane of symmetry, as the ring skeleton exists in a non-planar chair conformation. In addition,...
11.0K
Uncertainty in Measurement: Accuracy and Precision03:37

Uncertainty in Measurement: Accuracy and Precision

100.6K
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. 
100.6K
Cyclic Processes And Isolated Systems01:19

Cyclic Processes And Isolated Systems

3.4K
A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state. 
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
3.4K
Voltammetric Techniques: Cyclic Voltammetry01:10

Voltammetric Techniques: Cyclic Voltammetry

1.5K
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current response of an electrochemical cell as a function of the applied potential. The setup for cyclic voltammetry typically consists of a working electrode, a reference electrode, and a counter electrode—all immersed in an electrolyte solution. The working electrode is where the redox reaction of interest occurs, while the reference electrode...
1.5K

You might also read

Related Articles

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

Sort by
Same author

From cyberbullying victimization to perpetration: the mediating role of attitudes among middle-aged adults.

Frontiers in psychology·2026
Same author

A spatially rich, temporally coherent soil spectral dataset for soil organic carbon estimation.

Scientific data·2026
Same author

Explainable Machine Learning for Heat-Related Illness Prediction: An XGBoost-SHAP Approach Using Korean Meteorological Data.

Bioengineering (Basel, Switzerland)·2025
Same author

Stage-specific TRIM10 expression regulates erythroid maturation.

EMBO reports·2025
Same author

Hepatocellular carcinoma risk stratification to identify patients suitable for intensive surveillance in viral hepatitis: the SELECT score.

European radiology·2025
Same author

Structural insights into the mechanism of activation and inhibition of the prostaglandin D2 receptor 1.

Nature communications·2025

Related Experiment Video

Updated: Jan 26, 2026

Optimizing Attachment of Human Mesenchymal Stem Cells on Poly(ε-caprolactone) Electrospun Yarns
10:50

Optimizing Attachment of Human Mesenchymal Stem Cells on Poly(ε-caprolactone) Electrospun Yarns

Published on: April 10, 2015

10.1K

Precise Synthesis, Properties, and Structures of Cyclic Poly(ε-caprolactone)s.

Li Xiang1, Wonyeong Ryu2, Heesoo Kim3

  • 1Department of Chemistry, Division of Advanced Materials Science, and Polymer Research Institute, Pohang University of Science and Technology, Pohang 37673, Korea. lea1990@postech.ac.kr.

Polymers
|April 11, 2019
PubMed
Summary

This study explores cyclic polycaprolactone (c-PCL) synthesis and properties. High-purity c-PCL was created using click chemistry, revealing unique thermal behaviors due to its cyclic structure.

Keywords:
crystallizationcyclic poly(ε-caprolactone)hydrolytic degradationlinear poly(ε-caprolactone)morphological structureprecise synthesisthermal properties

More Related Videos

Melt Electrospinning Writing of Three-dimensional Poly(ε-caprolactone) Scaffolds with Controllable Morphologies for Tissue Engineering Applications
12:28

Melt Electrospinning Writing of Three-dimensional Poly(ε-caprolactone) Scaffolds with Controllable Morphologies for Tissue Engineering Applications

Published on: December 23, 2017

15.7K
Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in PolyS-Divinylbenzene
09:16

Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in PolyS-Divinylbenzene

Published on: May 20, 2019

8.2K

Related Experiment Videos

Last Updated: Jan 26, 2026

Optimizing Attachment of Human Mesenchymal Stem Cells on Poly(ε-caprolactone) Electrospun Yarns
10:50

Optimizing Attachment of Human Mesenchymal Stem Cells on Poly(ε-caprolactone) Electrospun Yarns

Published on: April 10, 2015

10.1K
Melt Electrospinning Writing of Three-dimensional Poly(ε-caprolactone) Scaffolds with Controllable Morphologies for Tissue Engineering Applications
12:28

Melt Electrospinning Writing of Three-dimensional Poly(ε-caprolactone) Scaffolds with Controllable Morphologies for Tissue Engineering Applications

Published on: December 23, 2017

15.7K
Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in PolyS-Divinylbenzene
09:16

Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in PolyS-Divinylbenzene

Published on: May 20, 2019

8.2K

Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Organic Synthesis

Background:

  • Cyclic polycaprolactone (c-PCL) exhibits unique properties due to its end-group-free structure.
  • Biocompatibility and biodegradability are inherited from linear polycaprolactone.
  • Existing synthetic methods for c-PCL have limitations in purity and molecular weight control.

Purpose of the Study:

  • To review progress in c-PCL synthesis, morphology, and properties.
  • To investigate the impact of cyclic topology on c-PCL characteristics.
  • To synthesize high-purity c-PCL using advanced click chemistry techniques.

Main Methods:

  • Review of existing literature on c-PCL synthesis and characterization.
  • Intramolecular azido-alkynyl click cyclization chemistry for c-PCL synthesis.
  • Precise separation and purification techniques.
  • Investigation of thermal degradation and phase transitions.

Main Results:

  • Discussion of pros and cons of various c-PCL synthetic routes concerning purity and molecular weight distribution.
  • Successful synthesis of high-purity c-PCL products.
  • Demonstration of the influence of cyclic topology on thermal degradation and phase transitions.

Conclusions:

  • Click chemistry offers a viable route to high-purity cyclic polycaprolactone.
  • The cyclic topology significantly affects the material's thermal properties.
  • Further research into c-PCL is warranted due to its unique characteristics and potential applications.