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The half-time of cob(II)alamin decay as a function of inverse concentration of cob(II)alamin photoproduct following AdoCbl photolysis in anaerobic solution. The best-fit line corresponds to a second-order rate constant of 3.53×109 M-1s-1. Fitting parameters: Slope=2.83 ×10-10, ordinate intercept=-1.29×10-6, R2=0.9963.
