Abstract
The examination of alkaline phosphatase isoenzymes by means of isoelectric focusing in polyacrylamide gel rods using the apparatus and focusing method of Righetti and Drysdale is discussed. A simultaneous coupling procedure using alpha-naphthyl phosphate and fast blue salt R in 2-amino-2-methyl-1,3-propanediol buffer, pH 9.68, containing MgCl2 and ZnSO4 proved sensitive for developing the enzyme bands. Also discussed are the effects seen with the incorporation of Triton X100 into the gel and sample mixtures. Enzyme, which remained at the top of the gel without using this detergent, entered the gel easily with the addition of Triton X-100 into the application solution. Incorporation of Triton into the gel matrix resulted in some enzyme band patterns that showed distinct differences from gels containing no Triton.
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