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

Contact Angle

Contact Angle

When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive force...

You might also read

Related Articles

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

Sort by

Same author

Characterizing Hepatitis Delta in Spain and the gaps in its management.

Gastroenterologia y hepatologia·2024

Same author

Development and Validation of a Scoring System to Predict Response to Obeticholic Acid in Primary Biliary Cholangitis.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association·2024

Same author

Cross-country migration linked to people who inject drugs challenges the long-term impact of national HCV elimination programmes.

Journal of hepatology·2019

Same author

Hepatitis B surface antigen loss after discontinuing nucleos(t)ide analogue for treatment of chronic hepatitis B patients is persistent in White patients.

European journal of gastroenterology & hepatology·2018

Same author

ProFUSO: Business process and ontology-based framework to develop ubiquitous computing support systems for chronic patients' management.

Journal of biomedical informatics·2018

Same author

[Experience with third, fourth and fifth kidney transplants and their complications.]

Archivos espanoles de urologia·2017

Search research articles

Related Experiment Video

Updated: Jun 17, 2026

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Published on: October 28, 2022

Hysteresis during contact angles measurement.

M Elena Diaz¹, Javier Fuentes, Ramon L Cerro

¹Departamento de Ingenieria Quimica y Textil, Universidad de Salamanca, Plaza de los Caidos 1-5, Salamanca, 37008, Spain. e.diaz@usal.es

Journal of Colloid and Interface Science

|January 12, 2010

Summary

This summary is machine-generated.

This study explains contact angle hysteresis using an adsorbed liquid film theory. Hysteresis arises from molecular forces during drop evaporation and adsorption on solid surfaces.

More Related Videos

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Related Experiment Videos

Last Updated: Jun 17, 2026

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Published on: October 28, 2022

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Area of Science:

Surface Science
Physical Chemistry
Materials Science

Background:

Static contact angle measurements are crucial for understanding liquid-solid interactions.
Intrinsic hysteresis in contact angle measurements is a complex phenomenon.
The role of adsorbed films at the triple contact line is not fully understood.

Purpose of the Study:

To provide a molecular interpretation of intrinsic hysteresis in static contact angle measurements.
To explain the influence of adsorbed films on contact angle behavior.
To differentiate between advancing, static, and receding contact angles.

Main Methods:

Theoretical modeling based on the presence of an adsorbed film.
Analysis of molecular forces at the triple contact line.
Consideration of evaporation/adsorption processes.

Main Results:

An adsorbed film near the triple contact line explains intrinsic hysteresis.
Advancing contact angles are larger than static angles due to lack of initial adsorbed film.
Receding contact angles are smaller than static angles due to thicker residual films.

Conclusions:

The theory successfully interprets intrinsic hysteresis via adsorbed film dynamics.
Molecular forces governing film formation and evaporation are key to contact angle hysteresis.
Understanding these molecular interactions is vital for precise surface characterization.