3 years ago

Cholesteryl Hemisuccinate Monolayers Efficiently Control Calcium Phosphate Nucleation and Growth

Cholesteryl Hemisuccinate Monolayers Efficiently Control Calcium Phosphate Nucleation and Growth
Gerald Brezesinski, Andreas Taubert, Christian Kübel, Michael Bruns, Doreen Hentrich
The article describes the phase behavior of cholesteryl hemisuccinate at the air−liquid interface and its effect on calcium phosphate (CP) mineralization. The amphiphile forms stable monolayers with phase transitions at the air−liquid interface from a gas to a tilted liquid-condensed (TLC) and finally to an untilted liquid-condensed (ULC) phase. CP mineralization beneath these monolayers leads to crumpled CP layers made from individual plates. The main crystal phase is octacalcium phosphate (OCP) along with a minor fraction of hydroxyapatite (HAP), as confirmed by X-ray photoelectron spectroscopy, energy dispersive X-ray spectroscopy, bright field transmission electron microscopy, and electron diffraction.

Publisher URL: http://dx.doi.org/10.1021/acs.cgd.7b00753

DOI: 10.1021/acs.cgd.7b00753

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