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

Surface Active Agents

Surface Active Agents

Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...

You might also read

Related Articles

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

Sort by

Same author

<i>HER-2</i> gene alterations as biomarker in patients with metastatic colorectal cancer treated with FOLFIRI + cetuximab: findings from the CAPRI-2 GOIM study.

ESMO gastrointestinal oncology·2026

Same author

Clinical and translational results from the phase II ABACO trial evaluating the activity of cabozantinib in pretreated patients with metastatic colorectal cancer.

ESMO gastrointestinal oncology·2026

Same author

Effectiveness of FTD/TPI plus bevacizumab and impact of prior bevacizumab exposure in patients with mCRC: the Italian FLOWER study.

ESMO gastrointestinal oncology·2026

Same author

Off-label drug use in oncology: integrating molecular and genetic analysis in an academic center's real-world approach.

ESMO real world data and digital oncology·2026

Same author

Cetuximab rechallenge in molecularly selected metastatic colorectal cancer: the randomized CAVE-2 GOIM trial.

Annals of oncology : official journal of the European Society for Medical Oncology·2025

Same author

Efficacy and safety of atezolizumab plus bevacizumab in MSI-like metastatic colorectal cancer: a multicenter, single-arm, phase II, open-label clinical trial.

ESMO open·2025

Search research articles

Related Experiment Video

Updated: May 2, 2026

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

Published on: October 11, 2016

A comparison between different fouling-release elastomer coatings containing surface-active polymers.

B R Yasani¹, E Martinelli, G Galli

¹a Dipartimento di Chimica e Chimica Industriale and UdR Pisa INSTM , Università di Pisa , Pisa , Italy.

|March 4, 2014

Summary

This summary is machine-generated.

Surface-active polymer coatings were developed using styrene-based polymers blended with silicone (PDMS) or SEBS elastomers. PDMS-based coatings demonstrated superior marine fouling-release properties.

More Related Videos

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Published on: July 8, 2025

Related Experiment Videos

Last Updated: May 2, 2026

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

Published on: October 11, 2016

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Published on: July 8, 2025

Area of Science:

Polymer Science
Materials Science
Surface Chemistry

Background:

Developing advanced coatings with self-segregating properties is crucial for marine applications.
Surface-active polymers offer tunable surface characteristics for enhanced performance.
Elastomer matrices like poly(dimethyl siloxane) (PDMS) and poly(styrene-b-(ethylene-co-butylene)-b-styrene) (SEBS) are widely used in coatings.

Purpose of the Study:

To investigate the surface behavior and fouling-release properties of novel surface-active polymer coatings.
To evaluate the influence of polymer chemistry and matrix type on coating performance.
To assess the potential of these coatings for marine antifouling applications.

Main Methods:

Spray-coating of surface-active polymer blends onto PDMS or SEBS films.
Contact angle and X-ray photoelectron spectroscopy for surface characterization.
Mechanical testing to determine elastic modulus.
Laboratory bioassays using the marine alga Ulva linza for fouling-release assessment.

Main Results:

Surface-active polymers preferentially segregated to the outermost layer of the coatings.
Self-segregation behavior and environmental response varied with polymer chemistry and matrix type.
SEBS-based coatings exhibited a significantly higher elastic modulus than PDMS-based coatings.
PDMS-based coatings demonstrated superior fouling-release performance against Ulva linza.

Conclusions:

The developed coatings exhibit controllable surface segregation of active components.
Polymer chemistry and matrix selection are critical factors influencing coating properties.
PDMS-based coatings show promise for effective marine fouling-release applications.