期刊
CHEMICAL PHYSICS LETTERS
卷 574, 期 -, 页码 120-123出版社
ELSEVIER
DOI: 10.1016/j.cplett.2013.04.062
关键词
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资金
- JSPS [24550012]
- Grants-in-Aid for Scientific Research [24550012] Funding Source: KAKEN
Delayed fluorescence spectra of intact leaves of Green pak choi (Brassica rapa var. chinensis) were measured with a multichannel Fourier-transform chemiluminescence spectrometer, which we developed recently. The intact samples, photoexcited by sunlight without artificial light sources, showed delayed fluorescence around 740 nm with a lifetime of similar to 6 s. The observed spectra were deconvoluted into two Gaussian bands: the delayed fluorescence from photosystem II and photosystem I complexes. Their relative intensities depended on the chlorophyll concentration, but their wavelengths were unchanged. (C) 2013 Elsevier B.V. All rights reserved.
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