Abstract: A method of visually demonstrating the growth of such microorganisms as fungi, yeasts, and bacteria, especially mycobacteria, identifying them, and testing them for sensitivity to antibiotics by the color change of a specific redox indicator system. A mixture of the redox indicators Methylene Blue and resazurin is added to the culture medium. Iron(III) salts mixed with K.sub.3 Fe(CN).sub.6, Iron(II) salts mixed with K.sub.4 Fe(CN).sub.6, or sodium tungstate (Na.sub.2 WO.sub.4) is added to the culture medium.
Abstract: A procedure for finding and identifying red cell antibodies by means of the solid-phase method, comprising contacting erythrocytes having selected antigen patterns with sera or plasmas that are to be tested for antibodies and transferred along with a polyspecific anti-human globulin reagent onto a substrate coated with protein A or protein G, thereby to transfer the detection or identification cells or, in the case of autocontrols, inherent cells.
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