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Disinfectants and Antiseptics

Background & Introduction

Disinfectants are chemicals that are used to kill, inhibit or remove microorganisms residing on inanimate objects such as lab benches, bathtubs, kitchen floors etc.  Lysol and 409 are examples of disinfectants.  Antiseptics are chemicals that are applied to body surfaces in an attempt to prevent/control infection.  Iodine and Listerine are two examples.  In today's lab the effectiveness of various disinfectants and antiseptics will be tested.  The susceptibility of two bacteria, Staphylococcus aureus and Pseudomonas aeruginosa, to these various disinfectants and antiseptics will be determined. 


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