论文部分内容阅读
Szent-Gyorgi首先提出了在生物系统中能量传递的能带理论。根据Katz的设想,在基粒(grana)中的叶绿素形成二维晶体,其中电子和穴的移动引起了光合作用的氧化和还原。Arnold等证实了这种假说的可能性,他们发现叶绿体具有热致发光现象。Тумерман等认为这种发光纯系化学发光。与叶绿体的固体性质无关。但Arnold等曾提到这两种性质的发光(热化学发光和由于系统中有陷阱存在而引起的发光)可能都存在。由此可见,对这一现象的本质尚有进一步探讨的必要。我们用(?)麻、菠菜和烟草的新解叶片制成样品,样品的制备方法大体与Arnold等所用的方法相同。得到的叶绿体悬浮液储于低温下待用(在
Szent-Gyorgi first proposed the band theory of energy transfer in biological systems. According to Katz’s hypothesis, chlorophyll in the grana forms two-dimensional crystals, in which movement of electrons and holes causes the oxidation and reduction of photosynthesis. Arnold et al. Confirmed the possibility of this hypothesis by finding that chloroplasts have luminescence. Тумерман such that the luminescence pure chemiluminescence. Has nothing to do with the solid nature of chloroplasts. However, Arnold et al. Mentioned that both types of luminescence (thermochemiluminescence and luminescence due to the presence of traps in the system) may exist. From this it can be seen that there is still a need for further exploration of the nature of this phenomenon. We made samples from freshly drawn leaves of (?) Hemp, spinach and tobacco, and the samples were prepared in much the same way as those used by Arnold et al. The resulting chloroplast suspension was stored at low temperature (at