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On the identity of the 640-nm component observed in chlorophyll b absorption spectra in vivo |
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| Authors: | G.J. Leppink J.B. Thomas |
| Affiliation: | a Institute for Mathematical Statistics, Budapestlaan 6, Utrecht, The Netherlands b Biophysical Research Group, Institute of Physics, Bijlhouwerstraat 6, The State University, Utrecht, The Netherlands |
| Abstract: | Mathematical analysis of the results of mild acetone extraction of chloro-plast-fragment preparations from Ulva lactuca demonstrates that the 640-nm shoulder on the short-wave side of the red chlorophyll b absorption band is not due to this chlorophyll. The analysis furthermore provides rather strong evidence that the 640-nm shoulder is correlated with an absorption band peaking around 682nm. It is suggested that the 640-nm component is due to the reaction center pigment of Photo-system II. |
| Keywords: | Adress for reprint requests. |
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