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Cleaning, Sterilization, and Disinfection01:30

Cleaning, Sterilization, and Disinfection

Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
Cleaning
The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...
Methods of Sterilization I: Physical Methods01:29

Methods of Sterilization I: Physical Methods

As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Methods of Sterilization II: Chemical Methods01:30

Methods of Sterilization II: Chemical Methods

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,...
Handwashing II: Pre-procedure and Initial Procedure Steps01:19

Handwashing II: Pre-procedure and Initial Procedure Steps

The pre-procedure steps of handwashing include removing jewelry and rolling up sleeves. However, many organizations allow staff to wear wedding rings.
The hand washing procedure itself includes the following steps. First, cover cuts, if any, on hands with a waterproof dressing. Cuts and abrasions can become contaminated with bacteria hindering the ability to clean the area thoroughly. In addition, repeated hand washing can worsen an injury.  The nails must be short and clean, without nail paint...
Handwashing III: During the Procedure and Post-Procedure Steps01:15

Handwashing III: During the Procedure and Post-Procedure Steps

To wash hands properly, follow these steps:

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Related Experiment Video

Updated: Jun 3, 2026

High-throughput, Robust and Highly Time-flexible Method for Surface Sterilization of Arabidopsis Seeds
07:28

High-throughput, Robust and Highly Time-flexible Method for Surface Sterilization of Arabidopsis Seeds

Published on: October 4, 2021

Automation of the surface sterilization system procedure.

B Tisserat1, C E Vandercook

  • 1United States Department o Agriculture, Pasadena, CA.

Methods in Molecular Biology (Clifton, N.J.)
|March 11, 2011
PubMed
Summary

Automated surface sterilization systems (SSS) offer a more effective and reproducible method for preparing sterile plant explants in tissue culture. This technology reduces manual labor and improves the success rate of plant tissue culture initiation.

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Area of Science:

  • Plant biotechnology
  • Microbiology
  • Agricultural science

Background:

  • Sterile explants are crucial for successful plant tissue culture.
  • Traditional methods involve soaking explants in disinfectants to remove microorganisms.
  • Existing methods can be labor-intensive and lack reproducibility.

Purpose of the Study:

  • To introduce and evaluate an automated Surface Sterilization System (SSS) for plant explants.
  • To improve the efficiency and reliability of surface sterilization in plant tissue culture.
  • To reduce labor input and enhance the reproducibility of sterilization treatments.

Main Methods:

  • Utilizing mechanical and electronic techniques within an automated Surface Sterilization System (SSS).
  • Implementing SSS for the sterile establishment of plant explants.
  • Comparing the automated system with traditional disinfectant soaking methods.

Main Results:

  • The automated SSS reduces labor requirements for explant sterilization.
  • The SSS enhances the effectiveness of surface sterilization treatments.
  • The system improves the reproducibility of the sterilization process.

Conclusions:

  • Automated Surface Sterilization Systems (SSS) provide a superior alternative to traditional methods.
  • SSS technology is critical for advancing sterile plant explant preparation in tissue culture.
  • The adoption of SSS can lead to more efficient and reliable plant propagation.