PRECIPITATION OF CALCIUM PHOSPHATE IN THE HISTOCHEMICAL METHOD FOR PHOSPHATASE
Author(s) -
George Gömöri,
Earl P. Benditt
Publication year - 1953
Publication title -
journal of histochemistry and cytochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.971
H-Index - 124
eISSN - 1551-5044
pISSN - 0022-1554
DOI - 10.1177/1.2.114
Subject(s) - supersaturation , alkaline phosphatase , precipitation , phosphate , chemistry , calcium , phosphatase , diffusion , enzyme , substrate (aquarium) , incubation , biochemistry , inorganic phosphate , chromatography , biophysics , biology , thermodynamics , organic chemistry , ecology , physics , meteorology
Ca phosphate, when precipitated by the addition of phosphate to solutions similar in composition to the histochemical substrate mixture, does not show any experimentally demonstrable tendency to supersaturation. The factors which may contribute to false localizations of enzymatic activity its the Ca-CoS method for alkaline phosphatase are not well understood and certainly not amenable to mathematical analysis for the time being. At present, diffusion artifacts do not appear to be an important source of error, provided incubation time is not unduly extended.
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