Importance

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Abstract

The present invention relates to a protected implantable sensor and methods of making the same. Sensors of the present invention are protected from deposition of extraneous materials or tissue by a non-biological or biological barrier. In embodiments where the sensor is protected by a non-biological barrier, the protected sensor includes a compliant member that forms part of one or more chambers that includes a substantially non-compressible medium disposed within the chamber(s). The medium is in contact with a surface of the sensor and with a second side of the compliant member. In embodiments where the sensor is protected by a biological barrier, the protected sensor is covered entirely or in part by a layer of endothelial cells. The endothelial cells may be attached to the sensor via interaction with an antibody, antigen binding fragment thereof, or small molecule that specifically binds to a ligand on the cell membrane or cell surface of endothelial cells and/or their progenitor cells or one or more extracellular matrix (ECM) molecules to which the desired cells naturally adhere. In specific embodiments, the implantable sensor to be protected a resonating sensor comprising at least one vibratable member.

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First Claim