A bactericidal substance is a substance having the ability to kill bacteria. The bactericidal properties vary from substance to substance, in terms of spectra of action, efficacy, duration of action ... A bactericide is a type of antimicrobial. Also known as bactericidal disinfectant used on inanimate objects, antibiotics such as penicillin and tetracycline for synthetic substances that act on key enzymes in cell biology. They can also act by oxidation (eg glucose oxidase). This is to distinguish the bactericidal (killing) of "bacteriostatic" (those just prevent bacterial growth), and sterilizing agents (not necessarily chemical).
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