Ultraviolet light is commonly used to maintain a sterile environment in the cell culture hood. The shorter wavelength light breaks down harmful microorganisms that may linger on pipettes, dishes, and other labware used for work with cells. The danger lies in human exposure to the ultraviolet rays. Fume hoods warn us humans to avoid exposure [...]
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Archive for June, 2010
The Centrifuge is one of the most commonly used pieces of laboratory equipment. It’s like the Gravitron for biological samples. We use the centrifuge in the laboratory to spin down such things as mammalian cells growing in culture (mouse embryonic stem cells for example) or bacteria for extracting DNA. The centrifuge operates on the principle [...]