Counterimmunoelectrophoresis of staphylococcal antibody

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Abstract
Modifications of the staphylococcal counterimmunoelectrophoresis technique were evaluated to determine how variations in the procedure affected results. Neither a buffer pH range of 7.8-9.0 nor buffer molarity of 0.015 or 0.025 when tested in combinations caused appreciable differences. Use of different agar preparations or delay in addition of antigen to the test slide altered the location of the precipitin band. Agarose was more sensitive in determining the serum precipitin titer and provided a better photographic record than Ionagar or Noble agar.