Biomedical subjects
Publications and source records attributed to R A Gargan.
Two methods are described that are suitable for the rapid screening of compounds as urease inhibitors. The first utilizes an electrode sensitive to NH4+ ions; the second is dependent on pH rise. A feature of both is a direct readout of reaction rate.
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The simple conversion of commercial pressure cookers into inexpensive anaerobic jars is described. These containers were shown to be as good as the small conventional BBL polycarbonate GasPak and large vented 150 gas-replacement jars when assessed by means of three biological indicators: Pseudomonas aeruginosa, Bacteroides melaninogenicus, and Bacteroides fragilis. Ps. aeruginosa seeded on Simmond's citrate agar was shown to be the most sensitive indicator of the three for traces of oxygen.