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PHYSICAL & CHEMICAL
METHODS OF MICROBIAL
CONTROL
Nasol, Gella & Niño, Julian Miguel
SANITIZATION
• Sanitizing is defined as cleaning
something to make it free of bacteria or
disease causing elements.
• Sanitizing is meant to reduce, not kill,
the occurrence and growth of bacteria,
viruses and fungi.
DISINFECTION
• the process of cleaning something,
especially with a chemical, in order to
destroy bacteria.
• Is the destruction or removal of all
pathogenic organisms and organisms
capable of giving rise to infection.
STERILIZATION
•The process of making something
free from bacteria or other living
microorganisms.
•Is the process by which an article is
killing or elimination of all
mircoorganisms including bacteria
and their spores
TWO TYPES OF STERILIZATION
1. Physical Method
•Moist Heat
•Dry Heat
2. Chemical Method
•Bleach
•Alcohol
•Phenol
MOIST-HEAT
• sterilization technique that uses hot air that is heavily
laden with water vapor and where this moisture plays
the most important role in the sterilization.
Ex. Autoclave
• Sterilization technique that uses high temperatures to
kill microorganisms and bacterial spores.
Ex. Flaming and Hot air oven
DRY-HEAT
PHYSICAL METHODS
CHEMICAL METHODS
• Is a strong and effective disinfectant – its active
ingredient sodium hypochlorite is effective in killing
bacteria, fungi and viruses, including influenza virus.
Ex. Zonrox bleach
• Is a disinfectant that kills Influenza viruses
Influenza, commonly known as the flu, is an infectious disease
caused by an influenza virus. Symptoms can be mild to severe. The
most common symptoms include high fever, runny nose, sore
throat, muscle pains, headache and coughing.
Ex. Isopropyl Alcohol
BLEACH
ALCOHOL
PHENOL
• is one of the oldest antiseptic agents has good
penetrating power into microorganisms or denoting
the disease cause by microorganisms and is mainly
used for disinfection of equipment.
Ex. Lysol
Physical-Chemical-Methods-of-Microbial-Control.pptx

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Physical-Chemical-Methods-of-Microbial-Control.pptx

  • 1. PHYSICAL & CHEMICAL METHODS OF MICROBIAL CONTROL Nasol, Gella & Niño, Julian Miguel
  • 2. SANITIZATION • Sanitizing is defined as cleaning something to make it free of bacteria or disease causing elements. • Sanitizing is meant to reduce, not kill, the occurrence and growth of bacteria, viruses and fungi.
  • 3. DISINFECTION • the process of cleaning something, especially with a chemical, in order to destroy bacteria. • Is the destruction or removal of all pathogenic organisms and organisms capable of giving rise to infection.
  • 4. STERILIZATION •The process of making something free from bacteria or other living microorganisms. •Is the process by which an article is killing or elimination of all mircoorganisms including bacteria and their spores
  • 5. TWO TYPES OF STERILIZATION 1. Physical Method •Moist Heat •Dry Heat 2. Chemical Method •Bleach •Alcohol •Phenol
  • 6. MOIST-HEAT • sterilization technique that uses hot air that is heavily laden with water vapor and where this moisture plays the most important role in the sterilization. Ex. Autoclave • Sterilization technique that uses high temperatures to kill microorganisms and bacterial spores. Ex. Flaming and Hot air oven DRY-HEAT PHYSICAL METHODS
  • 7. CHEMICAL METHODS • Is a strong and effective disinfectant – its active ingredient sodium hypochlorite is effective in killing bacteria, fungi and viruses, including influenza virus. Ex. Zonrox bleach • Is a disinfectant that kills Influenza viruses Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus. Symptoms can be mild to severe. The most common symptoms include high fever, runny nose, sore throat, muscle pains, headache and coughing. Ex. Isopropyl Alcohol BLEACH ALCOHOL
  • 8. PHENOL • is one of the oldest antiseptic agents has good penetrating power into microorganisms or denoting the disease cause by microorganisms and is mainly used for disinfection of equipment. Ex. Lysol