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Stability of PSI in PLGA MPs to light exposure and lyophilization. (a) Maximum P700 activity measured at different time (days) of exposure to 1500 μmol m–2 s–1. (b) P700 oxidation measured in PSI in PLGA MPs before and after lyophilization, with the latter being resuspended in the same initial volume. Ascorbate and methyl-viologen were added fresh (1 mM) during each measurement.
