THE PHOTOCHEMICAL REACTION IN PHOTOSYNTHESIS.
THE PHOTOCHEMICAL REACTION IN PHOTOSYNTHESIS.
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DOI：
10.1085/jgp.16.2.191
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发表时间：
1932-11-20
影响因子：
3.8
通讯作者：
Arnold, W
中科院分区：
文献类型：
--
作者：
Emerson, R;Arnold, W
光合作用的测量是在高强度的连续和闪烁的光下进行的，使用叶绿素含量不同的细胞。发现每一次闪光减少的每分子二氧化碳中存在的叶绿素含量约为2480个分子。在光合机制中，一个单位完成光化学和布莱克曼反应的循环所需的时间长度约为0.02秒。温度为25 ℃。当A为速度常数，I为光强，N为光合作用机制中的单位数时，方程R = AIN能很好地描述光化学反应的速率。
Measurements of photosynthesis were made in continuous and flashing light of high intensity, using cells varying in chlorophyll content. The amount of chlorophyll present per molecule of carbon dioxide reduced per single flash of light was found to be about 2480 molecules. The length of time required for one unit in the photosynthetic mechanism to complete the cycle of photochemical and Blackman reactions was found to be about 0.02 sec. at 25°C. The equation R = AIN was shown to give a good description of the rate of the photochemical reaction, when A is a velocity constant, I the intensity of light, and N the number of units in the photosynthetic mechanism.