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Electrophoretic and histochemical studies of carbonic anhydrase activity

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Summary

A simple method for separation of carbonic anhydrase activity into components by electrophoresis on cellulose acetate strips is described. With this method, using barbiturate buffer systems at various pH values, two main components of CAH in rat erythrocytes, and the splitting of each of these into two minor components were revealed. Two components were also observed in the CAH activity in kidney and lens homogenates, and one component in brain homogenate. A modification of Häusler's histochemical method for CAH was adapted for visualization of the electrophoretically separated bands. This rendered the evalution of the results easier than with the quantitative measurements alone. The quantitative measurement of CAH activity in electrophoretic strips corresponded with the degree of staining by the histochemical method. This among other facts supports the view of the specificity of the histochemical method used. Some examples of the histochemical staining pattern of the CAH activity in rat tissues are given.

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Authors and Affiliations

  1. From the Department of Anatomy, University of Turku, Finland

    L. Kalevi Korhonen & Elsa Korhonen

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  1. L. Kalevi Korhonen
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  2. Elsa Korhonen
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Korhonen, L.K., Korhonen, E. Electrophoretic and histochemical studies of carbonic anhydrase activity. Histochemie 5, 279–288 (1965). https://doi.org/10.1007/BF00285793

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  • DOI: https://doi.org/10.1007/BF00285793

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