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Related Concept Videos

Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

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...
Oxidative Cleavage of Alkenes: Ozonolysis01:46

Oxidative Cleavage of Alkenes: Ozonolysis

In ozonolysis, ozone is used to cleave a carbon–carbon double bond to form aldehydes and ketones, or carboxylic acids, depending on the work-up.
Ozone is a symmetrical bent molecule stabilized by a resonance structure.
Methods of Sterilization II: Chemical Methods01:30

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In healthcare, the chemical method of sterilization uses chemical sterilants to treat surgical instruments and medical supplies to help prevent the transmission of infectious pathogens to patients. Due to heat sensitivity, most medical supplies and equipment should not be exposed to high temperatures. These parts include rubber, plastic, glass, and other similar elements.
Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
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Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
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Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...

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Updated: Jul 18, 2026

The Portable Chemical Sterilizer (PCS), D-FENS, and D-FEND ALL: Novel Chlorine Dioxide Decontamination Technologies for the Military
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Ozonised oils as disinfectants.

Ian D Rae1

  • 1Department of History and Philosophy of Science, University of Melbourne, Australia. idrae@unimelb.edu.au

Ambix
|December 13, 2006
PubMed
Summary

Mid-19th century disinfectants like "ozonised" oils were popular. Research revealed their efficacy stemmed from hydroperoxides, not ozone, highlighting early oxidation chemistry.

Area of Science:

  • * Chemical Oxidation and Disinfection Studies

Background:

  • * Mid-19th century scientific interest in ozone's properties and reactions.
  • * Exploration of unsaturated oils' capacity to absorb oxygen.

Observation:

  • * Ozone, ether, and unsaturated oils were investigated for their oxidizing potential.
  • * Products were termed "ozonised ether" and "ozonised oils" due to perceived ozone content.

Findings:

  • * The potent oxidizing power of these preparations was recognized and utilized.
  • * Charles Kingzett's research identified hydroperoxides as key active components, not fixed ozone.
  • * Hydrogen peroxide formation in solution was a potential consequence of these hydroperoxides.

Implications:

  • * Established the foundation for understanding oxidation in organic compounds.

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  • * Led to the development of popular disinfectant products like "Sanitas."
  • * Shifted the understanding of disinfectant mechanisms from ozone to hydroperoxides.