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 Concept Videos

Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

920
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
920
Performing a Simple Data Analysis using MS-Excel Function01:17

Performing a Simple Data Analysis using MS-Excel Function

924
Microsoft Excel offers a suite of functions and tools ideal for statistical analysis, making it accessible to students and researchers. This article outlines fundamental Excel functions pivotal for data analysis.
SUM: This function calculates the total sum of a range of values. It's the foundation for aggregating data, essential for determining overall trends and totals in datasets.
AVERAGE: It computes the mean value of a given set of numbers, providing a quick insight into the central...
924
Antimicrobial Proteins01:23

Antimicrobial Proteins

13.0K
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
13.0K
What is Genetic Engineering?00:49

What is Genetic Engineering?

79.7K
Overview
79.7K
Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

3.1K
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
3.1K
Heat Engines01:10

Heat Engines

3.6K
A heat engine is a device used to extract heat from a source and then convert it into mechanical work used for various applications. For example, a steam engine on an old-style train can produce the work needed for driving the train.
Whenever we consider heat engines (and associated devices such as refrigerators and heat pumps), we do not use the standard sign convention for heat and work. For convenience, we assume that the symbols Qh, Qc, and W represent only the amounts of heat transferred...
3.6K

You might also read

Related Articles

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

Sort by
Same author

Enhancing the Antibacterial Activity of Zinc-Based Layered Double Hydroxide Nanoparticles in the Presence of UV<sub>A</sub> Light.

ACS omega·2026
Same author

Development of a Cognitive Aid for First Medical Responders During Mass Casualty Incidents: A Delphi Consensus Study.

Disaster medicine and public health preparedness·2026
Same author

MARS E-ECG: Prehospital Electrocardiogram Teletransmission by Firefighter Rescuers: A Retrospective Pilot Study within a Physician-Based EMS System.

Prehospital and disaster medicine·2026
Same author

Is "Just-in-Case" catheterisation inappropriate or system-driven? A human factors perspective.

The Lancet regional health. Europe·2026
Same author

Maskless Photoassisted Micropatterning of Self-Assembled Monolayers through Thiol-Ene Click Chemistry.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Impact of Substrate Surface Chemistry on Wharton's Jelly Mesenchymal Stem Cell Morphological Characteristics, Adherence, and Detachment.

ACS applied bio materials·2025
Same journal

Leuckart Reaction-Assisted Amine-Functionalized Reduced Graphene Oxide as an Electrochemical Immunosensing Platform for Cancer Biomarker Detection.

ACS applied bio materials·2026
Same journal

Expanding CAM Models: In Vivo PET/CT Imaging of Cancer Xenografts on the Ostrich CAM.

ACS applied bio materials·2026
Same journal

Photothermal Pulse Output-Nanomachines for Enhanced Cuproptosis in Tumor Cells.

ACS applied bio materials·2026
Same journal

TENG-Driven Electrotherapy: A Self-Powered Approach to Inducing Cancer Cell Apoptosis.

ACS applied bio materials·2026
Same journal

Heparinized Elastomeric Nanofibrillar Grafts: Mechanically Tunable, Cell-Supportive, and Thromboresistant Vascular Substitutes.

ACS applied bio materials·2026
Same journal

Adenosine Triphosphate-Coated Gold Nanoclusters as Evolutionary Adjuvants Suppress <i>fusA</i>-Mediated Antibiotic Resistance Evolution.

ACS applied bio materials·2026
See all related articles

Related Experiment Video

Updated: Jan 21, 2026

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro
11:52

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

3.9K

Engineering Ulvan-Functionalized Surfaces for Tunable Antimicrobial and Antiadhesive Performance.

David Siniscalco1, Fabienne Quilès1, Kimhuong Say1

  • 1Université de Lorraine, CNRS, LCPME UMR 7564, F-54000 Nancy, France.

ACS Applied Bio Materials
|January 20, 2026
PubMed
Summary
This summary is machine-generated.

Marine polysaccharide ulvan was grafted onto surfaces to create anti-infective coatings. These ulvan coatings significantly reduced bacterial adhesion, offering tunable protection against microbial colonization for biomedical applications.

Keywords:
UlvanX-ray photoelectron spectroscopyantiadhesionantibiofilmatomic force microscopyinfrared spectroscopysurface functionalization

More Related Videos

Protein Engineering by Yeast Surface Display
05:49

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

3.4K
ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
16:33

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly

Published on: April 17, 2014

13.0K

Related Experiment Videos

Last Updated: Jan 21, 2026

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro
11:52

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

3.9K
Protein Engineering by Yeast Surface Display
05:49

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

3.4K
ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
16:33

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly

Published on: April 17, 2014

13.0K

Area of Science:

  • Biomaterials Science
  • Surface Chemistry
  • Microbiology

Background:

  • Marine polysaccharides like ulvan show potential for anti-infective surface coatings.
  • Developing effective anti-microbial surfaces is crucial for preventing infections in various applications.

Purpose of the Study:

  • To engineer and characterize ulvan-based coatings for antiadhesive and antimicrobial properties.
  • To investigate the relationship between ulvan surface density and bacterial adhesion.
  • To evaluate the efficacy of these coatings against common bacteria like Escherichia coli and Staphylococcus aureus.

Main Methods:

  • Covalent grafting of ulvan onto poly(allylamine)-modified substrates using EDC/s-NHS or BDDE cross-linking.
  • Surface analysis techniques to confirm coating morphology and composition.
  • Bacterial adhesion assays using E. coli and S. aureus.

Main Results:

  • Ulvan coatings demonstrated tunable morphology and composition.
  • Significant reduction in bacterial colonization on ulvan-coated surfaces compared to controls.
  • E. coli adhesion decreased exponentially with increasing ulvan density, with nanogel-like coatings causing membrane damage.
  • S. aureus showed transient responses, potentially due to structural resistance.

Conclusions:

  • Ulvan content is a key predictor of anti-infective coating performance.
  • These coatings provide short-term protection against early-stage microbial adhesion.
  • The chemically tunable platform is suitable for applications like catheters, wound dressings, and food-contact materials, preventing biofilm formation.