A Spectrophotometry Analysis of Tissue Staining |
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Authors: | R. E. Stowell V. M. Albers |
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Affiliation: | a Department of Research, Barnard Free Skin and Cancer Hospital, Department of Anatomy, Washington University School of Medicine, St Louis, Mob Department of Anatomy, Washington Univ. School of Medicine, St Louis, Moc The C. F. Kettering Foundation for the Study of Chlorophyll and Photosynthesis, Antioch College, Yellow Springs, Ohio |
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Abstract: | By comparing spectral absorption curves of representative staining solutions and of substances stained with these solutions it is shown that information may be obtained regarding chemical changes associated with the staining process. The stains used in these determinations were acid fuchsin, anilin blue, azo-carmine G, basic fuchsin, eosin Y, orange G, picric acid and Sudan IV. The substrates stained were gelatin, tendon, blood plasma, thymus gland and fat.
Aqueous basic fuchsin and fuchsin-sulfurous reagent to which formalin was added (Setoff reaction) are different stains. The spectral absorption curves for staining solutions and substances stained with the solutions were comparable. Within the limitations of the spectrophotometry methods and stains employed, there was no evidence of significant chemical alteration in the chromophore radicals of the stains associated with the process of tissue staining. |
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