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  1. Home
  3. One-step Rapid Formation Of Wrinkled Fractal Antibiofouling Coatings From Environmentally Friendly, Waste-derived Terpenes.
  1. Home
  3. One-step Rapid Formation Of Wrinkled Fractal Antibiofouling Coatings From Environmentally Friendly, Waste-derived Terpenes.

Related Experiment Video

A Semi-quantitative Approach to Assess Biofilm Formation Using Wrinkled Colony Development
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One-step rapid formation of wrinkled fractal antibiofouling coatings from environmentally friendly, waste-derived

Daniel Gerchman1, Pedro Henrique Acunha Ferrari1, Oleg Baranov2

  • 1Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.

Journal of Colloid and Interface Science
|April 28, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Wrinkled polymer coatings offer a drug-free solution to prevent bacterial adhesion. A simple plasma method rapidly creates these antifouling surfaces, controlling wrinkle patterns by adjusting deposition time.

Keywords:
Antibiofouling coatingsPlasma deposition

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Area of Science:

  • Materials Science
  • Surface Chemistry
  • Biomaterials Engineering

Background:

  • Wrinkled coatings present a promising drug-free strategy for reducing bacterial attachment and biofilm formation on various material surfaces.
  • Current fabrication methods for wrinkled coatings are often multi-step processes requiring specific stimuli to induce wrinkle formation.

Purpose of the Study:

  • To develop a facile and rapid plasma-based method for fabricating thin polymer coatings with controlled wrinkle patterns.
  • To investigate the mechanism of in situ wrinkle development and fractal pattern formation during plasma deposition.
  • To evaluate the antifouling properties of the fabricated wrinkled surfaces.

Main Methods:

  • Utilized a plasma-based deposition technique using a single, environmentally friendly precursor.
  • Controlled wrinkle formation and fractal patterns by varying deposition times (3-60 seconds).
  • Investigated the effect of substrata topographical features on wrinkle pattern complexity and order.

    • Main Results:

    • Successfully fabricated thin (<250 nm) polymer coatings with tunable wrinkle patterns and fractal development.
    • Demonstrated that deposition time is the sole parameter controlling wrinkle and fractal formation in this plasma process.
    • Observed enhanced antifouling activity on wrinkled surfaces compared to smooth coatings, attributed to the specific wrinkle topography.
    • Showcased the formation of complex, ordered wrinkle patterns on structured substrata due to plasma non-uniformity.

    Conclusions:

    • A facile plasma method enables rapid, single-step fabrication of wrinkled polymer coatings with tunable antifouling properties.
    • The developed wrinkled surfaces exhibit significant bacterial resistance, offering a viable alternative to antimicrobial agents.
    • Understanding the plasma-based wrinkle formation mechanism allows for precise control over surface topography for advanced material applications.