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

Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

370
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
370
Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

505
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
505

You might also read

Related Articles

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

Sort by
Same author

[An analysis of the new U.S. dietary guidelines and their implications for China].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2026
Same author

Genomic predictions for greenhouse gases traits in Holstein cows.

Journal of dairy science·2026
Same author

Colorectal cancer detection using noncontrast CT and deep learning: a multicenter and international cohort study.

Annals of oncology : official journal of the European Society for Medical Oncology·2026
Same author

Early-Life Air Pollution Exposure Is Associated with the Infant Gut Microbiome and Fecal Metabolome in the First Two Years of Life.

Research report (Health Effects Institute)·2026
Same author

Evaluation of machine learning predictions for early reproductive success in commercial US dairies.

Journal of dairy science·2026
Same author

[Cancer burden in Hebei Province from 2011 to 2020].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2025

Related Experiment Video

Updated: Oct 11, 2025

Author Spotlight: Metallic Nanocomposites to Eliminate Antibiotic-Resistant Bacteria
05:57

Author Spotlight: Metallic Nanocomposites to Eliminate Antibiotic-Resistant Bacteria

Published on: October 4, 2024

1.0K

Robust bulk micro-nano hierarchical copper structures possessing exceptional bactericidal efficacy.

J L Smith1, N Tran2, T Song3

  • 1RMIT University, School of Engineering, Melbourne, Victoria, 3000, Australia; CSIRO, Manufacturing, Clayton, Victoria, 3168, Australia.

Biomaterials
|December 5, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed a superhydrophilic micro-nano copper structure that rapidly kills bacteria. This novel copper material demonstrates superior, fast-acting bactericidal efficacy compared to conventional copper surfaces, offering an antibiotic-free solution.

Keywords:
AntimicrobialBactericidalCopperDealloyingMicro-nanoSuperhydrophilic

More Related Videos

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

292
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

3.4K

Related Experiment Videos

Last Updated: Oct 11, 2025

Author Spotlight: Metallic Nanocomposites to Eliminate Antibiotic-Resistant Bacteria
05:57

Author Spotlight: Metallic Nanocomposites to Eliminate Antibiotic-Resistant Bacteria

Published on: October 4, 2024

1.0K
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

292
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

3.4K

Area of Science:

  • Materials Science
  • Microbiology
  • Surface Chemistry

Background:

  • Conventional copper (Cu) surfaces possess bactericidal properties but exhibit slow efficacy.
  • The slow action of traditional copper materials limits their use as rapid antibacterial agents.

Purpose of the Study:

  • To develop a novel micro-nano hierarchical copper (Cu) structure with enhanced, rapid bactericidal properties.
  • To investigate the mechanism behind the accelerated bacterial inactivation by the new Cu material.

Main Methods:

  • Fabrication of a robust, bulk superhydrophilic micro-nano hierarchical Cu structure.
  • Quantitative assessment of bacterial reduction using Staphylococcus aureus (S. aureus).
  • Microscopic analysis of bacterial cell integrity upon contact with the Cu structure.

Main Results:

  • The micro-nano Cu structure achieved a 4.41 log10 reduction of S. aureus in 2 minutes, significantly outperforming conventional Cu.
  • Bacterial cells showed membrane damage, including blebbing and material leakage, indicating rapid destruction.
  • The enhanced efficacy is attributed to synergistic effects of increased copper ion release and adhesion-driven mechanical strain from superhydrophilicity.

Conclusions:

  • A scalable method for fabricating superhydrophilic micro-nano Cu structures was established.
  • This advanced copper material offers a low-cost, antibiotic-free alternative for rapid bacterial inactivation.
  • The findings support the practical application of this novel Cu structure as a fast-acting bactericidal material.