蓝藻光合机制中的内转换
Internal conversion in the photosynthetic mechanism of blue-green algae.
作者信息
ARNOLD W, OPPENHEIMER J R
出版信息
J Gen Physiol. 1950 Mar;33(4):423-35. doi: 10.1085/jgp.33.4.423.
Abstract
- In Chroococcus a quantum of light absorbed by phycocyanin has 90 per cent the chance of doing photosynthesis that a quantum absorbed by chlorophyll has. 2. By a process analogous to internal conversion in radioactivity (but with the linear dimensions and the wave length 10(4) times larger) there will be transferred from phycocyanin to chlorophyll See PDF for Equation (a number of the order of 100) quanta for every one emitted as fluorescent light by the phycocyanin in the Chroococcus cell. 3. The yield of fluorescent light in Chroococcus is between 1 and 2 per cent. 4. The transfer of energy by internal conversion can account for the photosynthesis by phycocyanin observed by Emerson and Lewis.
摘要
- 在蓝球藻中，被藻蓝蛋白吸收的一个光量子进行光合作用的几率是被叶绿素吸收的一个光量子的90%。2. 通过一个类似于放射性内转换的过程（但线性尺寸和波长要大10⁴倍），对于蓝球藻细胞中藻蓝蛋白发出的每一个荧光量子，会有（数量级为100的若干个）量子从藻蓝蛋白转移到叶绿素。3. 蓝球藻中荧光的产率在1%到2%之间。4. 通过内转换进行的能量转移可以解释爱默生和刘易斯观察到的藻蓝蛋白的光合作用。
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