Electron micrographic study of precipitates formed by interaction of silicic acid and alkaline phosphatase: contribution to a study of silica urolithiasis in cattle.
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| Abstract |
Association of alkaline phosphatase with silicic acid in precipitates formed in dilute solution was studied as a model for the nonspecific reaction between silicic acid and protein. Precipitates contained 68-83% of the silicic acid and 52-83% of the enzyme in the original mixture and were in the form of aggregates of roundish particles 150-800 nm in diameter. Enzyme protein formed a tightly bound layer on the surface of particles formed in solutions of freshly prepared silicic acid. The similarity between the ultrastructural features of precipitates from solutions of silicic acid and of internal portions of siliceous urinary calculi from cattle suggests that deposition of silica during development of such calculi is due, at least in part, to the interaction of protein with silicic acid in urine.
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| Authors | C B Bailey, K J Cheng, J W Costerton |
| Journal | Journal of inorganic biochemistry (J Inorg Biochem) Vol. 17 Issue 4 Pg. 343-8 (Dec 1982) ISSN: 0162-0134 [Print] United States |
| PMID | 6298364 (Publication Type: Journal Article) |
| Chemical References |
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