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首页> 外文期刊>New Journal of Chemistry >A photoactive nona-porphyrin with nucleosidic linkers
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A photoactive nona-porphyrin with nucleosidic linkers

机译:具有核苷接头的光敏九卟啉

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摘要

A nona-porphyrin constituted of eight Zn(II) porphyrins anchored to a tetra-nucleosidic free-base porphyrin has been synthesized for its light absorbance capability and its ability to deliver this energy to the central chromophore.In the light harvesting part of the photosynthetic system,solar energy is collected by chlorophylls.The absorption of a photon by a pigment in these antennae is followed by the extremely fast migration of the excited state among the pool of chlorophylls with minimal energy loss until the reaction center is reached.Located within the cell membrane,this center shelters the conversion of solar energy into chemical energy,which in turn is used by the cells to propel protons across the membrane.
机译:已经合成了由八种锌(II)卟啉锚定到四核苷游离碱卟啉构成的九卟啉,因为它具有光吸收能力和将这种能量传递给中心发色团的能力。在光合作用的光收集部分在系统中,通过叶绿素收集太阳能。在这些触角中色素吸收光子后,激发态以极快的速度在叶绿素池中迁移,并且能量损失最小,直到到达反应中心。细胞膜,这个中心阻止了太阳能向化学能的转化,而化学能又被细胞用来推动质子穿过膜。

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