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. 2011 Feb 14;108(9):3602–3607. doi: 10.1073/pnas.1014249108

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Fig. 5. — evolution measured by MIMS at elevated (and normal) O₂-(N₂-)back pressure at m/z = 36 (A) FIOPs measured with PSII-mf from spinach at 20.4 bars O₂ or 20.2 bars N₂. evolution was induced by a series of saturating laser flashes separated by dark times of 25 s. Other conditions: ∼40% H₂¹⁸O; [Chl] = 50 μM; 1 mM K₃[Fe(CN)₆]; pH 6.5; 20 °C. (B) evolution induced by two (2f) or three (3f) Xe flashes (10 Hz) measured by MIMS in PSII-cc from Syn. sp. at 0.2 bar or at 20.3 bars O₂. Other conditions: see Fig. 2, but ∼40% H₂¹⁸O and [Chl] = 50 μM. Data in both panels normalized as in Fig. 4.

Inline graphic — evolution measured by MIMS at elevated (and normal) O₂-(N₂-)back pressure at m/z = 36 (A) FIOPs measured with PSII-mf from spinach at 20.4 bars O₂ or 20.2 bars N₂. evolution was induced by a series of saturating laser flashes separated by dark times of 25 s. Other conditions: ∼40% H₂¹⁸O; [Chl] = 50 μM; 1 mM K₃[Fe(CN)₆]; pH 6.5; 20 °C. (B) evolution induced by two (2f) or three (3f) Xe flashes (10 Hz) measured by MIMS in PSII-cc from Syn. sp. at 0.2 bar or at 20.3 bars O₂. Other conditions: see Fig. 2, but ∼40% H₂¹⁸O and [Chl] = 50 μM. Data in both panels normalized as in Fig. 4.