Removal of Mercury Ion by the Moss Pohlia flexuosa

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概要

• 論文の詳細を見る

• The moss Pohlia flexuosa was obtained as the protonema from its matured capsules. It was grown by shaking in modified Murashige-Skoog's medium, and the dry weight obtained was 40 mg per 20 ml medium after 15 d. The mature protonema removed Hg^<2+> from aqueous solutions. The higher the initial Hg^<2+> concentration, the higher the amount of Hg^<2+> removed, and the concentration factor, which is an indicator of the ability to remove heavy metals, was 2000 ml/g of dry moss at 50 μg/ml of HgCl_2. The optimal pH and temperature for Hg^<2+> removal were 7.0 and 25℃, respectively. Sodium azide and dinitrophenol at 0.1 mM inhibited Hg^<2+> removal up to a relative removal of 81 and 77%, respectively. The importance of two processes, bioaccumulation and adsorption, in the removal of Hg^<2+> by this moss is discussed.

• 社団法人日本生物工学会の論文
• 1998-08-25

著者

• KATO Jyoji

  Department of Surgery II, Nagoya City University Medical School

• Azuma Masayuki

  Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo

• Ooshima Hiroshi

  Dep. Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univ.

• Ooshima H

  Osaka City Univ. Osaka Jpn

• Ooshima Hiroshi

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Ooshima Hiroshi

  Department Of Applied And Bioapplied Chemistry Graduate School Of Engineering Osaka City University

• Kato J

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Kato Jyoji

  Department Of Bioapplied Chemistry

• Azuma M

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Azuma Masayuki

  Second Department Of Oral And Maxillofacial Surgery Tokushima University School Of Dentistry

• KONDOH MITSUYO

  Department of Bioapplied Chemistry, Osaka City University

• FUKUDA MASANORI

  Osaka City Institute of Public Health and Environmental Sciences

• Kondoh Mitsuyo

  Department Of Bioapplied Chemistry Osaka City University

• Kato Jyoji

  Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University

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