Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Solid–Solid Solutions

Solid–Solid Solutions

The temperature-composition phase diagram of two solids, A and B, which are immiscible in the solid phase but form miscible liquids, shows that when the temperature is low, these two exist as separate, pure solids (A and B). As the temperature increases, they transition into a single-phase liquid solution where A and B coexist. Moving from point a1 to a2 in the phase diagram, the composition changes such that solid B begins to separate from the solution, enriching the remaining liquid with A.

Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility

Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility

Intermolecular forces are attractive forces that exist between molecules. They dictate several bulk properties, such as melting points, boiling points, and solubilities (miscibilities) of substances. Molar mass, molecular shape, and polarity affect the strength of different intermolecular forces, which influence the magnitude of physical properties across a family of molecules.
Temporary attractive forces like dispersion are present in all molecules, whether they are polar or nonpolar. They...

Phase Diagrams of Ternary Systems

Phase Diagrams of Ternary Systems

Consider a ternary system, which is composed of three components: water (W), ethanoic acid (E), and trichloromethane (T). Here, Ethanoic acid (E) is fully miscible with both water (W) and trichloromethane (T), meaning it can mix entirely with either of them. However, water and trichloromethane have partial miscibility, meaning they can only mix to a certain extent, beyond which two separate phases will form.The phase diagram of a ternary system is represented as an equilateral triangle, where...

The Colloidal State

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...

Recrystallization: Solid–Solution Equilibria

Recrystallization: Solid–Solution Equilibria

Recrystallization is a purification technique used to separate impurities from solid compounds. In this technique, no chemical reactions occur. Instead, it exploits physical properties only, specifically, the solubility differences between the desired compound and impurities, either at a single temperature or at different temperatures, and under other selected conditions. The solid-solution equilibrium (solubility equilibrium) of each component in the solution represents a binary phase...

Disubstituted Cyclohexanes: cis-trans Isomerism

Disubstituted Cyclohexanes: cis-trans Isomerism

Depending upon the different spatial orientation of the substituents, the disubstituted cycloalkanes exhibit two types of stereoisomers. The cis isomers have the substituents on the same side of the ring, whereas the trans isomers have the substituents on the opposite sides. These stereoisomers exhibit different physical properties and cannot be interconverted without breaking the carbon-carbon bonds.
In cyclohexane, the substituents can occupy different positions generating distinct isomers....

You might also read

Related Articles

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

Sort by

Same author

Intraepithelial T cells and tumor-associated macrophages in ovarian cancer patients.

Cancer immunity·2013

Same author

Research on 2D representation method of wireless Micro-Ball endoscopic images.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2013

Same author

Photocatalytic properties of graphdiyne and graphene modified TiO₂: from theory to experiment.

ACS nano·2013

Same author

Relationship between the structures of flavonoids and oxygen radical absorbance capacity values: a quantum chemical analysis.

The journal of physical chemistry. A·2013

Same author

[Early diagnosis and treatment of acute mesentric ischemia for 42 cases in single center].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2013

Same author

Periodontitis as a novel contributor of adipose tissue inflammation promotes insulin resistance in a rat model.

Journal of periodontology·2013

Search research articles

Related Experiment Video

Updated: Apr 28, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Nonionic cyclodextrin based binary system with upper and lower critical solution temperature transitions via

Zhen Yang¹, Xiaodong Fan, Wei Tian

¹The Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Science, Northwestern Polytechnical University , Xi'an 710072, P. R. China.

Langmuir : the ACS Journal of Surfaces and Colloids

|June 10, 2014

Summary

This summary is machine-generated.

This study introduces a novel nonionic thermoresponsive material. The system exhibits tunable upper critical solution temperature (UCST) and lower critical solution temperature (LCST) behavior, forming aggregates or precipitating based on conditions.

More Related Videos

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

Preparation of Binary and Ternary Deep Eutectic Systems

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

Related Experiment Videos

Last Updated: Apr 28, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

Preparation of Binary and Ternary Deep Eutectic Systems

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

Area of Science:

Polymer Chemistry
Supramolecular Chemistry
Materials Science

Background:

Nonionic polymers and cyclodextrins are widely studied for their unique solution properties.
Thermoresponsive polymers exhibit phase transitions with temperature changes, enabling various applications.
Supramolecular chemistry offers precise control over material properties through non-covalent interactions.

Purpose of the Study:

To investigate a nonionic binary aqueous system composed of beta-cyclodextrin trimer (β-CD3) and naphthalene-terminated poly(ethylene glycol) (PEG-NP2).
To explore the tunable upper critical solution temperature (UCST) and lower critical solution temperature (LCST) behavior of this system.
To understand the influence of concentration, stoichiometry, and electrolytes on the system's thermoresponsive properties.

Main Methods:

Preparation and characterization of the β-CD3/PEG-NP2 aqueous system.
Investigation of phase transition behavior (UCST and LCST) under varying conditions.
Analysis of supramolecular inclusion complexation driving the UCST transition.

Main Results:

The β-CD3/PEG-NP2 system demonstrates tunable UCST behavior around room temperature and LCST behavior at higher temperatures.
UCST transition involves the formation of gel-like aggregates due to supramolecular inclusion complexation between β-CD3 and PEG-NP2.
LCST transition is characterized by the precipitation of PEG-NP2 due to its decreased water solubility.

Conclusions:

A novel nonionic thermoresponsive material based on β-CD3 and PEG-NP2 has been developed.
The system's phase behavior is governed by supramolecular complexation and polymer solubility, offering tunable properties.
This material holds potential for applications requiring controlled phase transitions in aqueous solutions.