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Poly(ethylene imine)-controlled Calcium Phosphate mineralization

Shkilnyy, Andriy ; Friedrich, Alwin ; Tiersch, Brigitte ; Schöne, Stefanie ; Fechner, Mabya ; Koetz, Joachim ; Schläpfer, Carl-Wilhelm ; Taubert, Andreas

In: Langmuir, 2008, vol. 24, no. 5, p. 2102–2109

The current paper shows that poly(ethylene imine) (PEI) is an efficient template for the fabrication of spherical calcium phosphate (CaP)/polymer hybrid particles at pH values above 8. The polymer forms spherical entities, which contain one or a few CaP particles with diameters of ca. 6 nm. The samples contain up to 20 wt % polymer, which appears to be wrapped around the small CaP particles. The...