MICROBIAL CONTROL''

1
MICROBIAL CONTROL..

• The History and Concept of Microbial Control.

2
Conditions Influencing MicrobialControl.

• Temperature.
• Type of Microbe.
• Physiological State Of The Microbe.
• Environment.

3
Actions Of Microbial Control Agents.

• Alteration of Membrane Permeability.
• Damage to Proteins And Nucleic Acids.

4
PHYSICAL METHODS OF MICROBIAL CONTROL.

• Heat.
• Moist Heat.
• Pasteurization.
• Dry Heat Sterilization.
• Filtration.
• Cold.
• Desiccation.

5

• Osmotic Pressure.
• Radiation.

6
CHEMICAL METHODS OF MICROBIAL CONTROL.

• Principles of Effective Disinfection.
• Evaluating a Disinfectant.
• Filter Paper method.

7
TYPES OF DISINFECTANTS.

• Phenol and Phenolics.
• Chlorhexidine.
• Halogens.
• Alcohols.
• Heavy metals and their compounds.
• Surface-Active Agents.
• Quaternary Ammonium Compounds(Quats)

8

• Organic Acids and Derivatives.
• Aldehydes.
• Gaseuos Chemosterilizers.
• Oxidizing Agents.