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Related Concept Videos

Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

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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...
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Concrete's susceptibility to water absorption is due to the capillary action within the pores of its hydrated cement paste. This action draws water in, creating the need for waterproofing admixtures to prevent such penetration. The efficacy of these admixtures is contingent upon the water pressure, with variations arising from different conditions such as rain, capillary rise, or hydrostatic pressure in structures intended to hold water.
Waterproofing admixtures render concrete hydrophobic,...
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Bioavailability Enhancement: Drug Stability Enhancement and GI Retention01:05

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Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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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...
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Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
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Related Experiment Video

Updated: Nov 15, 2025

Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods
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Ways to improve biocides for metalworking fluid.

Patrick Di Martino1

  • 1Laboratoire ERRMECe, Cergy-Paris Université, 1 rue Descartes 95000 Neuville-sur-Oise, France.

AIMS Microbiology
|March 4, 2021
PubMed
Summary

Microbial contamination is a major issue in metalworking fluids (MWF). This study explores strategies to enhance the effectiveness of existing biocides, improving MWF performance and longevity.

Area of Science:

  • Industrial Chemistry
  • Microbiology
  • Materials Science

Background:

  • Metalworking fluids (MWF) are essential in machining processes but are prone to microbial contamination.
  • Microbial growth in MWF can lead to fluid degradation, reduced performance, and potential health hazards.
  • Existing biocides are crucial for controlling microbial contamination but face challenges like resistance and environmental concerns.

Purpose of the Study:

  • To review and discuss strategies for potentiating the activity of existing biocides used in MWF.
  • To evaluate the compatibility of these potentiation strategies with MWF formulations and applications.
  • To identify pathways for improving the efficacy and sustainability of MWF microbial control.

Main Methods:

  • Literature review of biocide potentiation strategies.
Keywords:
Biocideboosterenhancermetal working fluidmicroorganism

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  • Analysis of biocide properties and their interaction with MWF components.
  • Discussion of compatibility factors for different potentiation approaches.

    • Main Results:

    • Several strategies exist to enhance the efficacy of current MWF biocides.
    • Potentiation can allow for lower biocide concentrations, reducing cost and environmental impact.
    • Compatibility with MWF formulation and operational conditions is a key consideration for successful potentiation.

    Conclusions:

    • Improving existing biocide performance through potentiation is a viable short-to-medium term solution.
    • Further research into synergistic biocide combinations and delivery systems is warranted.
    • Optimized biocide strategies can lead to more sustainable and cost-effective MWF management.