C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 5/08 (2006.01)
Patent
CA 2641446
A free-standing thin film is fabricated from a structure comprising a base layer coated with a sacrificial polymer layer, which is in turn coated with a flexible polymer layer. Cells are then seeded onto the flexible polymer layer and cultured to form a tissue. The flexible polymer layer is then released from the base layer to produce a free-standing thin film comprising the tissue on the flexible polymer layer. In one embodiment, the cells are myocytes, which can be actuated to propel or displace the free-standing film. In another embodiment, the free-standing film is used to treat injured human tissue.
L'invention concerne un film mince autonome fabriqué à partir d'une structure comprenant une couche de base enduite d'une couche polymère sacrificielle, qui est à son tour enduite d'une couche polymère flexible. Des cellules sont ensuite ensemencées sur la couche polymère flexible et cultivées pour former un tissu. La couche polymère flexible est ensuite détachée de la couche de base pour obtenir un film mince autonome comprenant le tissu sur la couche polymère flexible. Selon un mode de réalisation, les cellules sont des myocytes, qui peuvent être actionnés pour propulser ou déplacer le film autonome. Selon un autre mode de réalisation, le film autonome est utilisé pour traiter le tissu humain blessé.
Feigel Alexander
Feinberg Adam W.
Parker Kevin Kit
Shevkoplyas Sergey S.
Whitesides George M.
Mbm Intellectual Property Law Llp
President And Fellows Of Harvard College
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