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题名: Two-stage photo-biological production of hydrogen by marine green alga Platymonas subcordiformis
作者: Guan, YF;  Deng, MC;  Yu, XJ;  Zhang, W
关键词: photo-biological ;  green algae ;  Platymonas subcordiformis ;  sulphur-deprivation ;  hydrogen ;  hydrogenase
刊名: BIOCHEMICAL ENGINEERING JOURNAL
发表日期: 2004-07-01
DOI: 10.1016/j.bej.2003.10.006
卷: 19, 期:1, 页:69-73
收录类别: SCI
文章类型: Article
项目归属: 1812
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Technology
类目[WOS]: Biotechnology & Applied Microbiology ;  Engineering, Chemical
研究领域[WOS]: Biotechnology & Applied Microbiology ;  Engineering
英文摘要: A marine green alga, Platymonas subcordiformis, was demonstrated to photobiologically evolve hydrogen (H-2) after the first stage of photosynthesis, when subjected to a two-phase incubation protocol in a second stage of H2 production: anaerobic incubation in the dark followed by the exposure to light illumination. The anaerobic incubation induced hydrogenase activity to catalyse H? evolution in the following phase of light illumination. H,) evolution strongly depended upon the duration of anaerobic incubation, deprivation of sulphur (S) from the medium and the medium pH. An optimal anaerobic incubation period of 32 h gave the maximum H2 evolution in the second phase in the absence of sulphur. Evolution of H,) was greatly enhanced by 13 times when S was deprived from the medium. This result suggests that S plays a critical role in the mediation of H-2 evolution from R subcordiformis. A 14-fold increase in H-2 production was obtained when the medium pH increased from 5 to 8; with a sharp decline at pH above eight. H-2 evolution was enhanced by 30-50% when supplementing the optimal concentrations of 25 mM acetate and 37.5 mM glucose. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: CHLAMYDOMONAS-REINHARDTII ;  FERMENTATIVE METABOLISM ;  ENERGY ;  CONVERSION ;  TRANSPORT ;  EVOLUTION ;  LIGHT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000221565300010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/81157
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian 116023, Peoples R China
2.Flinders Univ S Australia, CRC Bioprod, Dept Med Biotechnol, Sch Med, Bedford Pk, SA 5042, Australia

Recommended Citation:
Guan, YF,Deng, MC,Yu, XJ,et al. Two-stage photo-biological production of hydrogen by marine green alga Platymonas subcordiformis[J]. BIOCHEMICAL ENGINEERING JOURNAL,2004,19(1):69-73.
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