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Thylakoid membranes from Pisium Sativum were isolated and exposed to 53.3 GHz mm waves for 15, 20, 30, or 40 minutes at 1.5 mW/cm2. MM wave exposure increased chlorophyll fluorescence, counteracted herbicide-reduction of delayed chlorophyll fluorescence, and led to increased surface electric charge density. The authors suggest this effect is due to a mm wave - induced increase in photochemical activity. |