EFFECT OF AIR IONS ON BACTERIAL AEROSOLS
ARMY BIOLOGICAL LABS FREDERICK MD
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The effect of positively and negatively charged air ions on aerosols of Serratia marcescens was evaluated by comparing rates of exponential bacterial decay. Ions of both polarities were responsible for significant increases in the mean exponential decay rates when compared with a non ionized ambient atmosphere. Negative ion atmospheres were shown to be slightly more active than positive ion atmospheres, which is probably due to a greater biological action of negative ions. Further study of the action of air irons on microbial aerosols under conditions of in creased quantitation will answer some of the questions raised by this preliminary study.