Method and apparatus for sensing the presence of microbes
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United States of America Patent
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Oct 19, 1999
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N/A
app pub date -
Mar 31, 1998
filing date -
Mar 31, 1998
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Abstract
Method and apparatus for the detection of aerobic microbes on non-living surfaces in which electromagnetic radiation having a wavelength greater than 350 nm is directed onto the surface to cause excitation of pyridine nucleotides present in microbial cells to emit radiation having a higher wavelength. That higher wavelength radiation and reflected radiation is then sensed as a measure of the amount of microbial cells on the surface.
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