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The curve for E. coli is given in the figure, with the most effective UV light having a wavelength of 265 nm. This applies to most bacteria and does not change significantly for other microbes. Dosages for a 90% kill rate of most bacteria and viruses range between 2,000 and 8,000 μJ/cm 2.
The physical nature of the surface or its chemical makeup can be manipulated to create an inhospitable environment for micro-organisms. Photocatalytic materials have been used for their ability to kill many micro-organisms and therefore can be used for self-cleaning surfaces as well as air cleaning, water purification, and antitumor activity. [6]
According to the FDA, E. coli is often innocuous. You might even have some living in your gut. But there are different strains of E. coli, and some can be potentially dangerous. This recall ...
Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores; it is less effective than sterilization, which is an extreme physical or chemical process that kills all types of life. [1]
You should always follow the instructions provided on a cleaning product’s label, but most disinfectants should be sprayed or wiped on a surface and left to dry. After 10 minutes, if the ...
Selamectin, sold under the brand name Revolution, among others, is a topical parasiticide and anthelminthic used on dogs and cats. [2] It treats and prevents infections of heartworms, fleas, ear mites, sarcoptic mange (scabies), and certain types of ticks in dogs, and prevents heartworms, fleas, ear mites, hookworms, and roundworms in cats.
Fleas, spiders, termites, flies, centipedes, ants, bedbugs, cockroaches — these icky intruders won't give up. But keeping them away doesn't require expensive chemical pesticides.
Escherichia coli O157:H7 is a serotype of the bacterial species Escherichia coli and is one of the Shiga-like toxin–producing types of E. coli.It is a cause of disease, typically foodborne illness, through consumption of contaminated and raw food, including raw milk and undercooked ground beef.