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Measurement of algae PSII photosynthetic parameters using high-frequency excitation flashes 被引量:2
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作者 石朝毅 张玉钧 +7 位作者 殷高方 赵南京 段静波 余晓娅 肖雪 甘婷婷 方丽 刘文清 《Chinese Optics Letters》 SCIE EI CAS CSCD 2014年第8期1-4,共4页
We establish a system to measure the functional absorption cross section of photosystem lI (PSII) (O-PSII) and maximum quantum yield of photochemistry in PSII (Fv/Fm). The system utilizes a sequence of high-freq... We establish a system to measure the functional absorption cross section of photosystem lI (PSII) (O-PSII) and maximum quantum yield of photochemistry in PSII (Fv/Fm). The system utilizes a sequence of high-frequency excitation flashes at microsecond intervals to induce a microsecond-level fluorescence yield curve. Parameters o-Psii and Fv/Fm are calculated by fitting the curve using nonlinear regression. Experimental results show that the relative standard deviation (RSD) of the system is less than 3%, and the correlation coefficient of Fv/Fm values measured by this system and those measured by pulse amplitude modulation method is 0.950. 展开更多
关键词 PSII Measurement of algae PSII photosynthetic parameters using high-frequency excitation flashes LEDs high
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