An antimicrobial is
an agent that kills microorganisms or stops their
growth.
Example: Penicillin,
Aminoglycosides, Ofloxacin. Bacteriostatic antibiotics.
These antibiotics have an inhibitory
effect on bacteria. Example: Erythromycin,
Tetracycline, Chloramphenicol.
charecters:
- The capacity of the substance to
kill or inhibit microorganisms is the first requirement
- The chemical substance must be
soluble in water or other solvents to the extent necessary for
effective use
- The compound should be ideally
lethal to microorganisms and non-injurious to humans and other
animals, i.e., it should be nontoxic to humans and other
animals.
- The substance should be stable.
Changes in the substance upon standing should be minimal and should
not result in significant loss of germicidal action.
- The preparation of the chemical
substance must be uniform in composition so that active ingredients
are present in each application.
- in vivo as well as in vitro
effectiveness
- the cleansing action improves the
effectiveness of the disinfectant.