The following points highlight the top eight antiseptics which are used to destroy microorganisms. The antiseptics are: 1. Alcohols 2. Iodine 3. Phenolics and Related Compounds 4. Peroxides 5. Dyes 6. Heavy Metals 7. Quaternary Ammonium Compounds 8. Acids. Antiseptic # 1. Alcohols: Alcohols, such as isopropanol and ethanol, probably are the most widely used antiseptics. Alcohols are used to [...]
Two general types of immunity are recognized – natural immunity and acquired immunity. The word "immune" is derived from the Latin stem immuno, meaning safe, or free from. In its most general sense, the term implies a condition under which an individual is protected from disease. This does not mean, however, that one is immune to all diseases, but rather [...]
A typical growth curve for a population of bacterial cells, illustrates some of the dynamics that affect the population over the course of time. The population's history may begin when several bacteria enter the human respiratory tract or are transferred to a tube of growth medium in the laboratory phases of the curve are recognized as follows: The lag phase [...]