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1980 (1)
1Author    T. Fujim, F. Yoshii, I. Kaetsu, Y. Inoue, K. ShibataRequires cookie*
 Title    Effect of Irradiation and Immobilization on Spinach Chloroplast Activities  
 Abstract    The effect of y-ray irradiation and immobilization by means of radiation polymerization on PS II activity (0 2 evolution) o f isolated chloroplasts from spinach was investigated. Reduction o f 0 2 evolution activity by irradiation was small at lower temperatures below — 24 °C, but the activity decreased slightly by freezing at extremely low temperature below —78 °C. So the optimum low temperature range for the treatment was observed. The immobilized chloroplast in a hydrophilic polymer matrix showed the stable duration o f 0 2 evolution activity more than 700 h at 4 °C . Thermo-stability o f chloroplast was also improved greatly by immobilization. The active center o f PS II in immobilized chloroplasts was retained even after 60 min standing at 50 °C. 
  Reference    Z. Naturforsch. 35c, 477—481 (1980); received February 12 1980 
  Published    1980 
  Keywords    Radiation Effect, Chloroplast, 0 2 Evolution, Immobilization, Radiation Polymerization, Low Temperatures 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0477.pdf 
 Identifier    ZNC-1980-35c-0477 
 Volume    35