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 Experiment Video

Updated: Feb 27, 2026

Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers
08:28

Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers

Published on: March 7, 2025

1.9K

Gradient Coating of Polydopamine via CDR.

Mei-Xia Zhao1,2, Junwei Li1, Xiaohu Gao1

  • 1Department of Bioengineering, University of Washington , Seattle, Washington 98195, United States.

Langmuir : the ACS Journal of Surfaces and Colloids
|June 29, 2017
PubMed
Summary

Researchers developed a simple method to create gradient polydopamine (PDA) surfaces. This technology allows precise control over surface properties for applications like antimicrobial resistance testing strips.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Associations of Management Factors and Environmental Conditions With the Number of Liveborn Piglets in a Commercial Pig Farm: A Retrospective Field Study.

Reproduction in domestic animals = Zuchthygiene·2026
Same author

vNOTES Pelvic Reconstruction and Presacral-Uterosacral Ligament Compound Suspension for Treatment of Multicompartment Pelvic Organ Prolapse: A Three-Year, Three-Arm, Open-Label, Randomized Controlled Trial.

Journal of minimally invasive gynecology·2026
Same author

Proximal and Remote Twofold Stereogenicity Enabled by Rhodium-Catalyzed and Phosphine-Directed Murai Reaction.

Journal of the American Chemical Society·2026
Same author

Insights from the Convolution of Emission Inventories with Flux Footprints from Tall Eddy Covariance Towers at Three European Cities.

ACS ES&T air·2026
Same author

Green credit risk assessment and prediction in China's construction industry: based on the optuna-catboost model.

Scientific reports·2026
Same author

Insights into Genome Ejection by a Therapeutic phiKMV-like Bacteriophage.

bioRxiv : the preprint server for biology·2026

Area of Science:

  • Materials Science
  • Surface Chemistry
  • Biotechnology

Background:

  • Gradient surfaces are crucial for various chemical and biological applications.
  • Controlling surface properties like wettability is essential for functional material design.

Purpose of the Study:

  • To report a rapid, low-cost method for generating polydopamine (PDA) gradients on hydrophobic surfaces.
  • To demonstrate the utility of PDA gradient surfaces for creating antimicrobial resistance testing strips.

Main Methods:

  • Utilized a cyclic draining-replenishing (CDR) technique for rapid PDA gradient formation.
  • Employed kanamycin as a model compound to functionalize the PDA gradient surface.

Main Results:

  • Successfully generated PDA gradients on hydrophobic surfaces using the CDR method.

More Related Videos

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates
07:32

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates

Published on: January 17, 2018

36.7K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.8K

Related Experiment Videos

Last Updated: Feb 27, 2026

Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers
08:28

Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers

Published on: March 7, 2025

1.9K
Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates
07:32

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates

Published on: January 17, 2018

36.7K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.8K
  • Demonstrated precise control over surface wettability and compound deposition.
  • Showcased the potential of PDA gradient membranes for minimum inhibitory concentration (MIC) test strip development.

    • Conclusions:

    • The CDR method offers a simple, scalable, and fast approach to create functional gradient surfaces.
    • PDA gradient surfaces have significant potential in developing diagnostic tools, such as antimicrobial resistance testing.
    • This platform technology can be widely adopted for diverse surface engineering applications.