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Related Concept Videos

Electrolysis03:00

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In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
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Carboxylic Acids to Acid Chlorides01:18

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Typically, when alkenes react with halogens at low temperatures, an addition reaction occurs. However, upon increasing the temperature or under reaction conditions that form radicals, providing a low but steady concentration of halogen radicals, allylic substitution reaction is favored. This is because allylic hydrogens are very reactive as the formed intermediate is resonance stabilized. For example, when propene is treated with chlorine in the gas phase at 400 °C, it undergoes allylic...
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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.
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The Portable Chemical Sterilizer PCS, D-FENS, and D-FEND ALL: Novel Chlorine Dioxide Decontamination Technologies for the Military
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Developing chlorine-based antiseptic by electrolysis.

Khaldoon A Mourad1, Sture Hobro2

  • 1Lund University and the Centre for Sustainable Visions, 22100 Lund, Sweden.

The Science of the Total Environment
|January 8, 2020
PubMed
Summary
This summary is machine-generated.

Hypochlorous acid (HOCl) water is a potent, chlorine-based antiseptic effective for handwashing. Produced on-site via electrolysis, it rapidly kills pathogens, offering a viable alternative to alcohol-based sanitizers.

Keywords:
AntisepticsElectrolysisHealth careSaline water

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Area of Science:

  • Microbiology
  • Environmental Science
  • Public Health

Background:

  • Alcohol-based antiseptics are widely used but have limitations.
  • Hand hygiene is crucial in public and healthcare settings.
  • Exploring alternative, effective antiseptics is essential.

Purpose of the Study:

  • To investigate hypochlorite water as a chlorine-based handwashing antiseptic.
  • To assess the efficacy of electrolyzed water for pathogen elimination.
  • To determine optimal conditions for producing and using hypochlorite water.

Main Methods:

  • Electrolysis of drinking water with sodium hydroxide to produce hypochlorous acid (HOCl).
  • Testing various salt concentrations (0-0.9% NaCl) and power supplies.
  • Evaluating antiseptic efficacy against bacteria and pathogens within 12 seconds.
  • Monitoring pH levels, maintaining them around 5-6.

Main Results:

  • 0.005-0.01% hypochlorite water demonstrated potent antiseptic properties.
  • Effective killing of most bacteria and pathogens within 12 seconds.
  • Optimal production required minimal NaCl (2g/L), 12V, and 3A, with pH 5-6.
  • On-site production is most efficient, with a 7-10 day shelf life if stored properly.

Conclusions:

  • Hypochlorite water is a highly effective antiseptic for handwashing.
  • Electrolysis offers a practical method for on-site antiseptic production.
  • This method presents a promising alternative to traditional antiseptics in various settings.