Among the various methods followed for controlling microbial activity, the best by far is sterilization as it eliminates all the microbes. Sterilization is achieved by the following methods: 1. Physical Methods 2. Radiation Methods 3. Ultrasonic Methods 4. Chemical Methods. 1. Physical Methods: Physical methods of sterilization include killing of microbes by applying moist heat as in steaming or dry [...]
In this article we will discuss about:- 1. Meaning of Antimicrobial Action 2. Mechanisms of Antimicrobial Action 3. Effects on on Microbial Cells. Meaning of Antimicrobial Action: Microorganisms can be killed, eliminated or inhibited by a number of physical, chemical and other means. All these agents which act against the microbes are called ‘Antimicrobial agents'. Varieties of microorganisms differ greatly [...]
The process that effectively kills or eliminates transmissible agents (such as fungi, bacteria, viruses, spore forms, etc.) from the surface of equipment, article, food, medication, or biological culture medium is called sterilization. The Sterilization is carried out by the methods according to requirement. The methods are: 1. Moist Heat Sterilization 2. Dry Heat Sterilization 3. Gas Sterilization and Others. Method [...]