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学科主题物理化学
Regulatin of photobiological hydrogen production in Platymonas subcordiformis by carbonylcyanide m-chlorophenylhydrazone
Ran CQ(冉春秋); Chen ZA(陈兆安); Yu XJ(虞星炬); Jin MF(金美芳); Zhang W(张卫)
会议名称6th Asia-Pacific Marine Biotechnology Conference
会议日期2004-9-27
2004-09-27
会议地点中国
其他题名羰基氰化物间氯苯腙促进海洋亚心型扁藻光照产氢过程的研究
页码100/1
部门归属十八室
英文摘要The marine green alga Platymonas subcordiformis can produce a significant amount of hydrogen under anaerobic condition and the addition of a proton gradient uncoupler, carbonylcyanide-m-Chlorophenylhydrazone(CCCP). About 7.54ml H2 was produced at 3x106 cells/ml for 12h in a 760ml photobioreactor when 15μM CCCP was added at the start of light illumination. During the stage of hydrogen evolution, the extracellular pH and the photochemical activity of PSII reduced from 7.62 to 7.49 and from 0.342 to 0.002, respectively. The system holds at a very low oxygen level. These results indicated that the proton gradient uncoupler CCCP can facilitate the proton transfer across the thylakoid membrane, thus enhance the accessibility of H+ to hydrogenase, and keep anaerobic condition during hydrogen production through markedly inhibition of the PSII activity.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/111670
专题中国科学院大连化学物理研究所
通讯作者Zhang W(张卫)
推荐引用方式
GB/T 7714
Ran CQ,Chen ZA,Yu XJ,et al. Regulatin of photobiological hydrogen production in Platymonas subcordiformis by carbonylcyanide m-chlorophenylhydrazone[C],2004:100/1.
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