EDTA and NTA Effectively Tune the Mineralization of Calcium Phosphate from Bulk Aqueous Solution
AbstractThis study describes the effects of nitrilotriacetic acid (NTA) and ethylenediaminotetraacetic acid (EDTA) on the mineralization of calcium phosphate from bulk aqueous solution. Mineralization was performed between pH 6 and 9 and with NTA or EDTA concentrations of 0, 5, 10, and 15 mM. X-ray diffraction and infrared spectroscopy show that at low pH, mainly brushite precipitates and at higher pH, mostly hydroxyapatite forms. Both additives alter the morphology of the precipitates. Without additive, brushite precipitates as large plates. With NTA, the morphology changes to an unusual rod-like shape. With EDTA, the edges of the particles are rounded and disk-like particles form. Conductivity and pH measurements suggest that the final products form through several intermediate steps. View Full-Text
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Hentrich, D.; Tauer, K.; Espanol, M.; Ginebra, M.-P.; Taubert, A. EDTA and NTA Effectively Tune the Mineralization of Calcium Phosphate from Bulk Aqueous Solution. Biomimetics 2017, 2, 24.
Hentrich D, Tauer K, Espanol M, Ginebra M-P, Taubert A. EDTA and NTA Effectively Tune the Mineralization of Calcium Phosphate from Bulk Aqueous Solution. Biomimetics. 2017; 2(4):24.Chicago/Turabian Style
Hentrich, Doreen; Tauer, Klaus; Espanol, Montserrat; Ginebra, Maria-Pau; Taubert, Andreas. 2017. "EDTA and NTA Effectively Tune the Mineralization of Calcium Phosphate from Bulk Aqueous Solution." Biomimetics 2, no. 4: 24.
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