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DELAYED LIGHT ACTION SPECTRA OF SEVERAL ALGAE IN VISIBLE AND ULTRAVIOLET LIGHT

机译:几种藻类在可见光和紫外光中的延迟光作用谱

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摘要

Action spectra for delayed light production by several algae were determined from 250 to 750 mµ incident light. In the visible portion of the spectrum the action spectra resemble those reported by previous workers for photosynthesis and light emission. Blue-green algae had a maximum at 620 mµ, red algae at 550 mµ, whereas green and brown algae have action spectra corresponding to chlorophyll and carotenoid absorption. In the ultraviolet portion of the spectrum delayed light is emitted by algae down to 250 mµ incident light. The action spectra of the different algae are not alike in the ultraviolet portion of the spectrum. This indicates that pigments other than chlorophyll must be sensitizing or shielding the algae in the ultraviolet region.
机译:在250至750 mµ的入射光下确定了几种藻类延迟产生光的作用谱。在光谱的可见部分,作用光谱类似于先前工作人员报道的用于光合作用和发光的光谱。蓝绿色藻类最大含量为620 mµ,红色藻类最大含量为550 mµ,而绿色和棕色藻类具有对应于叶绿素和类胡萝卜素吸收的作用谱。在光谱的紫外线部分,藻类发出的延迟光低至250 mµ入射光。不同藻类的作用光谱在光谱的紫外线部分不同。这表明除叶绿素以外的颜料必须在紫外线区域敏化或屏蔽藻类。

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