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

693
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...
693
Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

644
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
644
Methods for Controlling Microbial Growth01:29

Methods for Controlling Microbial Growth

1.4K
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
1.4K
Biofilms01:29

Biofilms

907
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
907
Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

831
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...
831
Surface Membrane Barriers01:18

Surface Membrane Barriers

2.5K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Contamination by Potentially Toxic Elements (PTEs) in Agricultural Products Grown Around Sepetiba Bay, Rio de Janeiro State (SE Brazil).

Archives of environmental contamination and toxicology·2025
Same author

Heavy metal and metalloid concentrations in red deer (Cervus elaphus) and their human health implications from One Health perspective.

Environmental geochemistry and health·2024
Same author

Combined Use of Fatty Acid Profiles and Elemental Fingerprints to Trace the Geographic Origin of Live Baits for Sports Fishing: The Solitary Tube Worm (<i>Diopatra neapolitana</i>, Annelida, Onuphidae) as a Case Study.

Animals : an open access journal from MDPI·2024
Same author

High Levels of Heavy Metal(loid)s Related to Biliary Hyperplasia in Hedgehogs (<i>Erinaceus europaeus</i>).

Animals : an open access journal from MDPI·2023
Same author

Acid Mine Drainage Effects in the Hydrobiology of Freshwater Streams from Three Mining Areas (SW Portugal): A Statistical Approach.

International journal of environmental research and public health·2022
Same author

Interplay of Seasonality, Major and Trace Elements: Impacts on the Polychaete <i>Diopatra neapolitana</i>.

Biology·2022

Related Experiment Video

Updated: Dec 16, 2025

Metabolic Profiling to Determine Bactericidal or Bacteriostatic Effects of New Natural Products using Isothermal Microcalorimetry
07:28

Metabolic Profiling to Determine Bactericidal or Bacteriostatic Effects of New Natural Products using Isothermal Microcalorimetry

Published on: October 29, 2020

9.2K

Bacteriostatic and bactericidal clays: an overview.

Celso Figueiredo Gomes1, Jorge Hamilton Gomes1, Eduardo Ferreira da Silva2,3

  • 1GeoBioTec, Research Unit of FCT (Foundation for Science and Technology), University of Aveiro, 3800-193, Aveiro, Portugal.

Environmental Geochemistry and Health
|July 2, 2020
PubMed
Summary
This summary is machine-generated.

Natural clays exhibit bacteriostatic (inhibiting growth) and bactericidal (killing bacteria) properties. This research explores clay composition, metal actions, and mechanisms to develop safe therapeutic and cosmetic peloids for various applications.

Keywords:
Action mechanismsAntimicrobial peloidsBactericidalBacteriostaticClayOintments

More Related Videos

Use of the Soft-agar Overlay Technique to Screen for Bacterially Produced Inhibitory Compounds
06:38

Use of the Soft-agar Overlay Technique to Screen for Bacterially Produced Inhibitory Compounds

Published on: January 14, 2017

33.7K
Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases
07:47

Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases

Published on: January 1, 2016

11.9K

Related Experiment Videos

Last Updated: Dec 16, 2025

Metabolic Profiling to Determine Bactericidal or Bacteriostatic Effects of New Natural Products using Isothermal Microcalorimetry
07:28

Metabolic Profiling to Determine Bactericidal or Bacteriostatic Effects of New Natural Products using Isothermal Microcalorimetry

Published on: October 29, 2020

9.2K
Use of the Soft-agar Overlay Technique to Screen for Bacterially Produced Inhibitory Compounds
06:38

Use of the Soft-agar Overlay Technique to Screen for Bacterially Produced Inhibitory Compounds

Published on: January 14, 2017

33.7K
Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases
07:47

Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases

Published on: January 1, 2016

11.9K

Area of Science:

  • Mineralogy
  • Microbiology
  • Materials Science

Background:

  • Natural clays possess inherent antimicrobial properties.
  • Understanding clay composition and metal ion activity is crucial for their antimicrobial effects.
  • Distinguishing between bacteriostatic and bactericidal actions is key to their application.

Purpose of the Study:

  • To provide a comprehensive overview of bacteriostatic and bactericidal natural clays.
  • To elucidate the mechanisms of action of clays against bacteria.
  • To explore the potential of natural clays in therapeutic and cosmetic applications, including pathogen-safe peloids.

Main Methods:

  • Review of existing literature on natural clays and their antimicrobial activities.
  • Analysis of the role of clay structure and associated minerals in antimicrobial action.
  • Experimental studies on the preparation and efficacy of bactericidal natural clays and peloids.

Main Results:

  • Natural clays can be both bacteriostatic and bactericidal.
  • Reduced metals within or associated with clay minerals contribute significantly to antimicrobial activity.
  • Methods exist to convert non-antimicrobial clays into antimicrobial ones.

Conclusions:

  • Natural clays offer a promising avenue for developing antimicrobial agents.
  • Engineered peloids from natural clays can be utilized for therapeutic (e.g., rheumatic conditions) and cosmetic (e.g., infectious skin disorders) purposes.
  • The conversion of non-antimicrobial clays to antimicrobial ones expands their application in pelotherapy and dermatological formulations.