QUANTITATIVE STUDIES OF DIFFERENTIAL STAINING REACTIONS II
نویسندگان
چکیده
منابع مشابه
Quantitative Studies of Differential Staining Reactions
It has been shown previously (Kennedy and Barbaro, 1953) that the amount of crystal violet adsorbed by bacteria can be measured quantitatively by either one of two procedures. One procedure involved micro-Kjeldahl analyses of bacterial cells before and after staining. The increase in total nitrogen in the stained cells represented the dye nitrogen adsorbed. The second procedure was based on mic...
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When large amounts of brilliant vital red are injected into the blood stream of dogs, the dye is gradually removed from circulation, and most of it is deposited in numerous phagocytic cells which are scattered throughout various organs and tissues. The dye occurs largely in the form of tiny red granules crowded together in the cytoplasm of these cells. If Niagara sky blue, a closely related dye...
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What is the difference between argentaffin and argyrophilic reactions? Both terms relate to the formation of colloidal metallic silver (latin argentum, Greek argyros) (1), which may range in color from yellow through brown to black depending on particle size and density, in specific structural components of tissues. the metal is formed at sites of reduction of silver ions derived from a stainin...
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Fixed chromosome preparations subjected to treatments such as pH 9 (I) or trypsin hydrolysis (2) and stained with Giemsa's demonstrate similar banding patterns irrespective of the pretreatments used. It has been shown that this phenomenon is the result of modifications of DNA-protein and protein-protein associations which alter dye interaction (3-5). It appears that only Giemsa's or related sta...
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The histological differentiation of neuronal from glial nuclei may be useful in the identification of tumours and in the study of developing nervous tissues. The following method does this by staining the glial nucleus red and the neuronal nucleus green. It also stains other structures in the neural parenchyma. Formol-fixed tissues taken down to water and embedded in paraffin are used. 1 The se...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1956
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.72.4.451-454.1956