Polarized photoacoustic, absorption and fluorescence spectra of chloroplasts and thylakoids oriented in polyvinyl alcohol films

作者: D. Frackowiak , L. Lorrain , D. Wrobel , R.M. Leblanc

DOI: 10.1016/0006-291X(85)90599-6

关键词:

摘要: The polarized photoacoustic, absorption and fluorescence spectra of chloroplasts thylakoids in unstretched stretched polyvinyl alcohol films were measured. intensity ratios bands at 674 nm, 700 730 nm 750 the excitation are strongly dependent on light polarization film stretching. In films, exhibit predominantly emission. ratio photoacoustic signal to is different for parallel perpendicular This difference large region chlorophyll a carotenoids which also observed spectral changes explained by reorientation pigment molecules influencing yield transfer between pigments.

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