Use Of Oxygen Isotopes Research Articles

Isotope experiments on the 2,6-dichlorophenolindophenol-mediated oxidation of ascorbic acid by illuminated chloroplasts

The use of oxygen isotopes revealed that when 2,6-dichlorophenolindophenol and ascorbic acid were added to a system containing illuminated Phytolacca chloroplasts functioning in a Mehler reaction, the rate of oxygen evolution was decreased to 9 10 while the rate of oxygen consumption was increased to 2 3 4 times the original rates. After complete oxidation of the added ascorbate, the rate of oxygen evolution increased to 1 1 2 times the original rate. These results support the assumption that ascorbate can be oxidized via the (OH) system produced by the photolysis of water.

Studies on the Manganese Oxide Catalysts. III-IV. IV. Investigations by Use of Oxygen Isotope.

Studies on the Manganese Oxide Catalysts. III-IV. IV. Investigations by Use of Oxygen Isotope.