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It is quite clear that there is a shift of the maximum during UV irradiation and this could be an argument of only a re absorption effect. Why the authors did not try to measure the fluorescence of keto form by measuring fluorescence with 400 nm excitation.
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Originally posted by zhaowanying at 2011-03-03 10:06:36:
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Originally posted by yuanruoya at 2011-03-01 16:03:17:
It is quite clear that there is a shift of the maximum during UV irradiation and this could be an argument of only a re absorption effect. Why the authors did not try to measure the fluorescence of ...

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yuanruoya

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Originally posted by zhaowanying at 2011-03-05 13:17:52:
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