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

Microbial Corrosion01:24

Microbial Corrosion

Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...

You might also read

Related Articles

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

Sort by
Same author

Genotypic and Phenotypic Characterization of <i>Cronobacter</i> spp. Strains Isolated from Powdered Milk Formulas and Dairy Production Environments.

Microorganisms·2026
Same author

About the Relevance of Triboelectric Effects and Conductive Particles in Nanogenerators Based on Cellulose Materials and Their Composites.

Polymers·2026
Same author

Improved muscle recovery after omega-3 supplementation is associated with increased oxylipin availability.

Scientific reports·2026
Same author

Tracking Antimicrobial Resistance in <i>Salmonella</i> via Poultry Supply Chains, Human Clinical Samples, and Environmental Reservoirs.

Foods (Basel, Switzerland)·2026
Same author

Correction to "Review: Auxetic Polymer-Based Mechanical Metamaterials for Biomedical Applications".

ACS biomaterials science & engineering·2025
Same author

Development and Characterization of Biodegradable Films on Native and Esterified Peruvian Purple Yam (<i>Dioscorea trifida</i>) Starches and Tara Gum.

Polymers·2025

Related Experiment Video

Updated: Jun 1, 2026

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria
08:22

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Published on: May 16, 2025

Toward Tailor-Made Biocide Materials Based on Poly(propylene)/Copper Nanoparticles.

Humberto Palza1, Sebastian Gutiérrez, Katherine Delgado

  • 1Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Beauchef 850, Santiago, Chile; Centro para la Investigación Interdisciplinaria en Ciencias de los Materiales (CIMAT), Universidad de Chile, Av. Blanco Encalada 2008, Santiago, Chile. hpalza@ing.uchile.cl.

Macromolecular Rapid Communications
|May 19, 2011
PubMed
Summary

Poly(propylene) composites with copper nanoparticles (CNP) exhibit potent antimicrobial properties. Even low CNP concentrations significantly reduce bacterial populations, with bulk copper attributed to the observed biocide effect.

More Related Videos

Fabrication of Antibacterial Graphene Oxide/Copper Nanocomposites
05:57

Fabrication of Antibacterial Graphene Oxide/Copper Nanocomposites

Published on: October 4, 2024

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium
13:34

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium

Published on: July 8, 2015

Related Experiment Videos

Last Updated: Jun 1, 2026

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria
08:22

Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria

Published on: May 16, 2025

Fabrication of Antibacterial Graphene Oxide/Copper Nanocomposites
05:57

Fabrication of Antibacterial Graphene Oxide/Copper Nanocomposites

Published on: October 4, 2024

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium
13:34

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium

Published on: July 8, 2015

Area of Science:

  • Materials Science
  • Nanotechnology
  • Microbiology

Background:

  • Poly(propylene) is a widely used polymer with limited inherent antimicrobial activity.
  • Developing effective antimicrobial materials is crucial for various applications, including medical devices and packaging.

Purpose of the Study:

  • To investigate the antimicrobial efficacy of poly(propylene) composites containing varying concentrations of copper nanoparticles (CNP).
  • To understand the relationship between CNP content and the rate of bacterial reduction.

Main Methods:

  • Preparation of poly(propylene)/CNP composites via melt mixing.
  • Quantitative assessment of antimicrobial behavior against bacteria.
  • Surface analysis using X-ray photoelectron spectroscopy (XPS).

Main Results:

  • A mere 1% v/v of CNP halved the time required for 50% bacterial reduction compared to neat poly(propylene).
  • Composites with 1% v/v CNP achieved over 99.9% bacterial kill within 4 hours.
  • Higher CNP concentrations (>10% v/v) resulted in 99% bacterial elimination in under 2 hours.
  • XPS analysis indicated no surface detection of CNP, suggesting bulk copper is responsible for antimicrobial action.

Conclusions:

  • Poly(propylene)/CNP composites demonstrate significant, concentration-dependent antimicrobial activity.
  • The biocide effect is attributed to copper present within the bulk of the composite material, not its surface.
  • These findings highlight the potential of CNP-reinforced polymers as effective antimicrobial agents.