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Water-soluble cellulose derivatives are sustainable additives for biomimetic calcium phosphate mineralization

  • The effect of cellulose-based polyelectrolytes on biomimetic calcium phosphate mineralization is described. Three cellulose derivatives, a polyanion, a polycation, and a polyzwitterion were used as additives. Scanning electron microscopy, X-ray diffraction, IR and Raman spectroscopy show that, depending on the composition of the starting solution, hydroxyapatite or brushite precipitates form. Infrared and Raman spectroscopy also show that significant amounts of nitrate ions are incorporated in the precipitates. Energy dispersive X-ray spectroscopy shows that the Ca/P ratio varies throughout the samples and resembles that of other bioinspired calcium phosphate hybrid materials. Elemental analysis shows that the carbon (i.e., polymer) contents reach 10% in some samples, clearly illustrating the formation of a true hybrid material. Overall, the data indicate that a higher polymer concentration in the reaction mixture favors the formation of polymer-enriched materials, while lower polymer concentrations or high precursor concentrationsThe effect of cellulose-based polyelectrolytes on biomimetic calcium phosphate mineralization is described. Three cellulose derivatives, a polyanion, a polycation, and a polyzwitterion were used as additives. Scanning electron microscopy, X-ray diffraction, IR and Raman spectroscopy show that, depending on the composition of the starting solution, hydroxyapatite or brushite precipitates form. Infrared and Raman spectroscopy also show that significant amounts of nitrate ions are incorporated in the precipitates. Energy dispersive X-ray spectroscopy shows that the Ca/P ratio varies throughout the samples and resembles that of other bioinspired calcium phosphate hybrid materials. Elemental analysis shows that the carbon (i.e., polymer) contents reach 10% in some samples, clearly illustrating the formation of a true hybrid material. Overall, the data indicate that a higher polymer concentration in the reaction mixture favors the formation of polymer-enriched materials, while lower polymer concentrations or high precursor concentrations favor the formation of products that are closely related to the control samples precipitated in the absence of polymer. The results thus highlight the potential of (water-soluble) cellulose derivatives for the synthesis and design of bioinspired and bio-based hybrid materials.show moreshow less

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Metadaten
Author details:Andreas TaubertORCiDGND, Christian Balischewski, Doreen HentrichORCiDGND, Thomas Elschner, Sascha EidnerORCiD, Christina GünterGND, Karsten BehrensGND, Thomas Heinze
URN:urn:nbn:de:kobv:517-opus4-400453
Publication series (Volume number):Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe (354)
Publication type:Postprint
Language:English
Date of first publication:2017/09/21
Publication year:2017
Publishing institution:Universität Potsdam
Release date:2017/09/21
Tag:biomaterial; biomineralization; brushite; calcium phosphate; cellulose; hydroyxapatite; polyamine; polyammonium salt; polycarboxylate; polyzwitterion
Number of pages:17
Source:Inorganics 4 (2016) Nr. 4. - DOI: 10.3390/inorganics4040033
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
DDC classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Peer review:Referiert
Publishing method:Open Access
Grantor:Multidisciplinary Digital Publishing Institute (MDPI)
License (German):License LogoCC-BY - Namensnennung 4.0 International
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