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Gelatin manipulation of latent macropores formation in brushite cement

Yin, Y. / Ye, F. / Cai, S. / Yao, K. / Cui, J. / Song, X.

Macroporous brushite cement was prepared from a mixture of beta-tricalcium phosphate (beta-TCP) and monocalcium phosphate monohydrate (MCPM) using gelatin powder as latent templates. In a setting reaction coexisting with gelatin, closed packed, open-pore structures with 100-200 micron macropores are obtained after immersion of the set cement into PBS buffer (pH 7.4) at 37 deg C for 1-4 weeks. The macroporous brushite cement has a compressive strength of 15 MPa originally, which reduced to 5.5 MPa with macropore formation gradually in comparison to that of cancellous bone (5-10 MPa).

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Gelatin manipulation of latent macropores formation in brushite cement

Yin, Y. / Ye, F. / Cai, S. / Yao, K. / Cui, J. / Song, X.

Macroporous brushite cement was prepared from a mixture of beta-tricalcium phosphate (beta-TCP) and monocalcium phosphate monohydrate (MCPM) using gelatin powder as latent templates. In a setting reaction coexisting with gelatin, closed packed, open-pore structures with 100-200 micron macropores are obtained after immersion of the set cement into PBS buffer (pH 7.4) at 37 deg C for 1-4 weeks. The macroporous brushite cement has a compressive strength of 15 MPa originally, which reduced to 5.5 MPa with macropore formation gradually in comparison to that of cancellous bone (5-10 MPa).

Gelatin manipulation of latent macropores formation in brushite cement

Yin, Y. / Ye, F. / Cai, S. / Yao, K. / Cui, J. / Song, X.

Macroporous brushite cement was prepared from a mixture of beta-tricalcium phosphate (beta-TCP) and monocalcium phosphate monohydrate (MCPM) using gelatin powder as latent templates. In a setting reaction coexisting with gelatin, closed packed, open-pore structures with 100-200 micron macropores are obtained after immersion of the set cement into PBS buffer (pH 7.4) at 37 deg C for 1-4 weeks. The macroporous brushite cement has a compressive strength of 15 MPa originally, which reduced to 5.5 MPa with macropore formation gradually in comparison to that of cancellous bone (5-10 MPa).

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Title:

Gelatin manipulation of latent macropores formation in brushite cement

Additional title:

Die Mischung von Calciumphosphat- und Gelatinepulvern führt zur Bildung von makroporösem Brushit-Zement

Contributors:

Yin, Y. (author) / Ye, F. (author) / Cai, S. (author) / Yao, K. (author) / Cui, J. (author) / Song, X. (author)

Published in:

Journal of Materials Science - Materials in Medicine ; 14 ; 255-261

Publication date:

2003

Size:

7 Seiten, 6 Bilder, 3 Tabellen, 25 Quellen

ISSN:

DOI:

https://doi.org/10.1023/A:1022836824968

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Zement , Knochenersatzwerkstoff , Gelatine , Makropore , Porosität , Tricalciumphosphat , Calciumphosphathydrat , Druckfestigkeit , Rasterelektronenmikroskopie , Wasserabbinden von Zement , Quecksilberporosimeter , Röntgenbeugung , Mikrostruktur

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