Chap 9 - chemical methods of microbial control

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Last updated 7:07 PM on 10/13/26
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10 Terms

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Iodine (halogen)

Disrupts protein function.

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Chlorine (halogen)

Disrupts protein function.

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Phenols

Disrupt cell walls and membranes and coagulate proteins.

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Triclosan (phenolic)

Disrupts cell walls/membranes and protein function

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Chlorhexidine

Disrupts cell membranes and protein structures.

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Alcohols (ethanol and isopropanol)

Dissolve/disrupt cell membranes and coagulate (denature) proteins.

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Detergents containing quats

Disrupt cell membrane integrity and selective permeability.

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Hydrogen peroxide

Produces toxic oxygen free radicals that damage DNA and proteins.

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Heavy metals (silver)

Inactivate microbial proteins.

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Plain soap (surfactant)

Mechanically removes microbes by emulsifying oils and dirt so they can be rinsed away.