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Air fresheners from Febreze. Air fresheners are products designed to reduce unwanted odors in indoor spaces, or to introduce pleasant fragrances, or both. They typically emit fragrance to mask odors but may use other methods of action such as absorbing, bonding to, or chemically altering compounds in the air that produce smells, killing organisms that produce smells, or disrupting the sense of ...
Air circulators treat a fractional room volume per unit time and exhaust the treated air back into the room, resulting in fractional air dilution. By contrast, air sanitizers that are maintained at a sufficient and homogeneous concentration within the interior air space provide simultaneous treatment of the entire interior air space volume but ...
Alcohol initially stimulates sweating but may also temporarily kill bacteria. Other active ingredients in deodorants include sodium stearate , sodium chloride , and stearyl alcohol . Deodorants can be formulated with other, more persistent antimicrobials such as triclosan that slow bacterial growth or with metal chelant compounds such as EDTA .
[clarification needed] Para-dichlorobenzene- and naphthalene-based blocks do not readily dissolve in water/urine, but easily sublime into the air, creating a sickly-sweet odor that has anti-microbial effects. [2]
The cancer treatment drug topotecan is a synthetic chemical compound similar in chemical structure to camptothecin which is found in extracts of Camptotheca (happy tree). [7] Catharanthus roseus. Vinca alkaloids were originally manufactured by extracting them from Catharanthus roseus (Madagascar Periwinkle). [1] Podophyllum spp.
Dosages for a 90% kill rate of most bacteria and viruses range between 2,000 and 8,000 μJ/cm 2. Larger parasites such as Cryptosporidium require a lower dose for inactivation. As a result, US EPA has accepted UV disinfection as a method for drinking water plants to obtain Cryptosporidium , Giardia or virus inactivation credits.
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