| Feulgen reaction | <procedure> A specific staining procedure for DNA: mild acid hydrolysis makes the aldehyde group of deoxyribose available to react with Schiff's reagent to give a purple colour. (18 Nov 1997) |
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| Feulgen reagent | <chemical> A staining substance which specifically stains DNA. Robert Feulgen, in 1914, used this stain to find out that DNA is the hereditary material in cells. (09 Oct 1997) |
| Feulgen stain | <technique> A selective cytochemical reaction for DNA in which sections or cells are first hydrolyzed with hydrochloric acid to produce apurinic acid and then are stained with Schiff's reagent to produce magenta-stained nuclei; generally the concentration of DNA in nucleoli and mitochondria is too low to permit detection by this stain See: Kasten's fluorescent Feulgen stain. (05 Mar 2000) |
| Feulgen, Robert | <person> German nucleic acid biochemist and cytochemist, 1884-1955. First to detect DNA in cells by a specific cytochemical test. (05 Mar 2000) |
| Kasten's fluorescent Feulgen stain | <technique> A fluorescent modification of the Feulgen stain, utilizing any one of a variety of fluorescent basic dyes to which SO2 is added; the brilliant fluorescence makes this method unusually sensitive and adaptable to cytofluorometric quantification of DNA. (05 Mar 2000) |
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| Feulgen method |
a method of demonstrating chromatin and deoxyribonucleic acid (DNA).
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Feulgen r. |
a specific histochemical reaction for DNA (deoxyribonucleic acid): after acid hydrolysis at 60°C, tissue sections are stained in Schiff's reagent; DNA stains magenta.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Feulgen reaction |
see under reaction.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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