5 Biochemical preparations for medical purposes, namely, bioengineered compounds for polymerized membranes to support organ and tissue transplantation; Biochemical preparations for medical purposes, namely, bioengineered compounds for polymerized membranes for use in organ and tissue transplantation; Biochemical preparations for medical purposes, namely, bioengineered membranes to support organ and tissue transplantation; Biochemical preparations for medical purposes, namely, bioengineered membranes for use in organ and tissue transplantation related applications; Biochemical preparations for medical purposes, namely, bioengineered membranes for use in reducing and preventing allorecognition; Biochemical preparations for medical purposes, namely, bioengineered membranes for use in reducing and preventing allorecognition in organ and tissue transplantation; Biochemical preparations for medical purposes, namely, bioengineered membrane containing collagen, vitrogen, fibronectin and laminin for organ and tissue transplantation, bioengineering tissue constructs to replace allografts and manufacturing immunomodified organs; Biochemical preparations for medical purposes, namely, bioengineered membrane that binds to the surface of blood vessels within the vasculature of an allograft; Biochemical preparations for medical purposes, namely, bioengineered membrane that binds to the surface of blood vessels within the vasculature of an allograft to support organ and tissue transplantation