Johnson Space Center and Wyle Laboratories
Sunday, November 01 2009
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A collection of documents provides further detailed information about an optoelectronic instrument that measures the pH of an aqueous cell-culture medium to within ±0.1 unit in the range from 6.5 to 7.5. The instrument at an earlier stage of development was reported in “Optoelectronic Instrument Monitors pH in a Culture Medium” (MSC-23107), NASA Tech Briefs, Vol. 28, No. 9 (September 2004), page 4a.
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