Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Solid support and method of culturing cells on said solid...
Patent
1995-06-02
1998-09-22
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
Solid support and method of culturing cells on said solid...
435395, 424423, 623 16, C12N 508, C12N 500, A61F 228
Patent
active
058113029
ABSTRACT:
Novel non-crystalline, porous bioactive glass and ceramic materials that permit the in vitro formation of bone tissue when exposed to a tissue culture medium and inoculated with cells are disclosed. The present invention also discloses methods of treating bioactive glass materials to control pH so that when the glass is exposed to a tissue culture medium and then inoculated with cells, bone tissue growth occurs in vitro. The glass material disclosed is preferably formed from SiO.sub.2, CaO, Na.sub.2 O and P.sub.2 O.sub.5 and the porous, non-crystalline structure is most preferably created by melting the constituents, cooling and pulverizing the resulting glass, and then forming and hot pressing the powder. The glass of the present invention may be formed to produce templates that are useful for various indications, as well as granules that may be formed into a paste.
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Ducheyne Paul
El-Ghannam Ahmed
Shapiro Irving
Larson Kristin
The Trustees of the University of Pennsylvania
Wityshyn Michael G.
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