Abstract
New routes were used to introduce strontium into calcium phosphate cement in the present article. The study showed that by mixing 50 wt% amorphous calcium phosphate + amorphous strontium phosphate and 50 wt% dicalcium phosphate dihydrate, hydroxyapatite and Sr-hydroxyapatite precipitated separately in the hydrated cement; whereas, by mixing 50 wt% Sr- amorphous calcium phosphate and 50 wt% dicalcium phosphate dihydrate, strontium can be doped into hydroxyapatite lattice and increase the lattice dimensions and lattice volume. The strontium substituted calcium phosphate cement has potential for use in orthopedic surgeries.
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The authors are grateful to the National Natural Science Foundation of China under Grant 50172015 and the Science and Technology Program of Guangzhou under Grant 2005Z3-D2041.
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Wang, X., Ye, J. Variation of crystal structure of hydroxyapatite in calcium phosphate cement by the substitution of strontium ions. J Mater Sci: Mater Med 19, 1183–1186 (2008). https://doi.org/10.1007/s10856-007-3209-0
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DOI: https://doi.org/10.1007/s10856-007-3209-0