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A disinfectant is a chemical substance or compound used to inactivate or destroy microorganisms on inert surfaces. [1] 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]
Anxiety about COVID-19 makes people more willing to "try anything" that might give them a sense of control of the situation, making them easy targets for scams. [5] Many false claims about measures against COVID-19 have circulated widely on social media, but some have been circulated by text, on YouTube, and even in some mainstream media ...
Hand sanitizer (also known as hand antiseptic, hand disinfectant, hand rub, or handrub) is a liquid, gel, or foam used to kill viruses, bacteria, and other microorganisms on the hands. [3] [4] It can also come in the form of a cream, spray, or wipe. [5]
Klondike is a card game for one player and the best known and most popular version of the patience or solitaire family, [2] as well as one of the most challenging in widespread play. [3] It has spawned numerous variants including Batsford , Easthaven, King Albert , Thumb and Pouch, Somerset or Usk and Whitehead, as well as the American variants ...
Cutting back on alcohol is good for your brain. Dr. Purdy says that Damp January can benefit the brain — especially in the short term. She points out that drinking alcohol is linked to a lack of ...
Povidone-iodine (PVP-I), also known as iodopovidone, is an antiseptic used for skin disinfection before and after surgery. [1] [2] It may be used both to disinfect the hands of healthcare providers and the skin of the person they are caring for. [2] It may also be used for minor wounds. [2] It may be applied to the skin as a liquid, an ointment ...
By David Shepardson. WASHINGTON (Reuters) -The U.S. Transportation Department imposed a $2 million penalty on JetBlue Airways for operating four chronically delayed flights on domestic routes ...
Ethanol precipitation is a method used to purify and/or concentrate RNA, DNA, and polysaccharides such as pectin and xyloglucan from aqueous solutions by adding salt and ethanol as an antisolvent. In DNA extraction, after separating DNA from other cell constituents in water, DNA is precipitated out of solution by neutralizing it with positively ...