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  1. 生命環境系 (Faculty of Life and Environmental Sciences)
  2. 白岩 善博 (Shiraiwa Yoshihiro)
  1. 生命環境系 (Faculty of Life and Environmental Sciences)
  2. 鈴木 石根 (Suzuki Iwane)
  1. 研究科 (Graduate School)
  2. 生命環境科学研究科 (Graduate School of Life and Environmental Sciences)
  3. 渡邉 信 (Watanabe Makoto)
  1. コンテンツタイプ (Contents Type)
  2. 雑誌発表論文等 (Journal article, etc.)
  3. B~
  4. Bioresource technology

Optimization of light for growth, photosynthesis, and hydrocarbon production by the colonial microalga Botryococcus braunii BOT-22

http://hdl.handle.net/2241/117461
d8b4d53b-163e-42c3-b08c-4c39da697d63
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BT_110.pdf BT_110.pdf (153.9 kB)
item type Journal Article(1)
公開日 2012-08-07
タイトル
タイトル Optimization of light for growth, photosynthesis, and hydrocarbon production by the colonial microalga Botryococcus braunii BOT-22
言語
言語 eng
資源タイプ
タイプ journal article
著者 Sakamoto, Kohei

× Sakamoto, Kohei

WEKO 95302

Sakamoto, Kohei

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Baba, Masato

× Baba, Masato

WEKO 95303

Baba, Masato

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Suzuki, Iwane

× Suzuki, Iwane

WEKO 95304

Suzuki, Iwane

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Watanabe, Makoto M.

× Watanabe, Makoto M.

WEKO 95305

Watanabe, Makoto M.

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Shiraiwa, Yoshihiro

× Shiraiwa, Yoshihiro

WEKO 95306

Shiraiwa, Yoshihiro

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著者別名 馬場, 将人

× 馬場, 将人

WEKO 95307

馬場, 将人

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鈴木, 石根

× 鈴木, 石根

WEKO 438
e-Rad 10290909
筑波大学研究者総覧 0000001196

鈴木, 石根

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渡邉, 信

× 渡邉, 信

WEKO 95309

渡邉, 信

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白岩, 善博

× 白岩, 善博

WEKO 95310

白岩, 善博

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抄録
内容記述 Optimization of the light conditions for biofuel production by the microalga Botryococcus braunii BOT-22 (race B) was performed using monochromatic red light. The lipid and sugar contents were approximately 40% and 20–30% of the cell dry weight, respectively, and about half of the lipids were liquid hydrocarbons. The half-saturation intensities for the production rate of lipids, hydrocarbons, and sugars were 63, 49, and 44 μmol m−2 s−1, respectively. Fluorescence microscopic images of Nile Red-stained cells showed an increased number of intracellular neutral lipid granules due to increased light intensity. After 16 days of incubation in the dark, lipid and sugar, but not hydrocarbon content decreased. Growth, metabolite production, and photosynthesis were saturated at 100, 200 and 1000 μmol m−2 s−1, respectively. These results indicate that photosynthetically captured energy is not used efficiently for metabolite production; thus, improvements in metabolic regulation may increase hydrocarbon production.
書誌情報 Bioresource technology

巻 110, p. 474-479, 発行日 2012-04
ISSN
収録物識別子 0960-8524
書誌レコードID
収録物識別子 AA10838373
PubMed番号
DOI
権利
権利情報 © 2012 Elsevier Ltd. NOTICE: this is the author’s version of a work that was accepted for publication in Bioresource technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, VOL110, 2012, DOI:10.1016/j.biortech.2012.01.091
著者版フラグ
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出版者
出版者 Elsevier Ltd.
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