| 摘要 |
A method for purifying bone-derived osteogenic proteins including a demineralization process, a protein extraction process, a high molecular weight ultrafiltration process, a low molecular weight ultrafiltration process, and a recovery process. The high and low ultrafiltration processes preferably select proteins having a nominal molecular weight between approximately 8 kilodaltons and approximately 50 kilodaltons. Processes of the present invention may be used to recover osteogenic proteins from bone demineralization waste streams.
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