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The heat effect on photosytem I (PSI) was characterized by visible and fluorescence spectroscopy, oxygen electrode polarography, sodium dodecyl sulfate-polyacryamide gel electrophoresis (SDS-PAGE) and Fourier transform infrared (FTIR). During linear heating, the absorption maximum at 680nm of PSI decreased and blue shifted, of which pigments and polypeptides in PSI complexes degraded at high temperature...
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