Method and device for studying and quantifying interacting effects of substances on biological cells
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United States of America Patent
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Jun 17, 1997
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Feb 14, 1995
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Mar 2, 1990
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Abstract
Device and method for quantitative determination of the interacting effects of two or more substances on the promotion or inhibition of growth of microorganisms or other biological cells grown on a solid medium, wherein the substances are applied within a quadrate test area in the solid medium in predefined concentration patterns having concentration perimeters exhibiting maxima and minima at opposite edges of the test area and with the concentration gradient directions of the substances perpendicular to each other.
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