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Liquid crystals detect pathogens
- Article from:
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Chemical Engineering Progress
- Article date:
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September 1, 2001
- Author:
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Copyright informationCopyright American Institute of Chemical Engineers Sep 2001. Provided by ProQuest LLC. (Hide copyright information)
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The type of liquid crystal used in digital watches, computer displays and mood rings could be useful for detecting serious pathogens, such as E. coli, cryptosporidum, and West Nile virus, according to professor Nicholas Abbott and doctoral student Justin Skaife, chemical engineers at the Univ. of Wisconsin-Madison. Abbott explains that liquid crystal molecules tend to line up with each other over long distances, forming long strands of up to a million molecules, and that when liquid crystals are exposed to a specific pathogen, this tendency to organize will reveal the presence of microscopic organisms.
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