A heart valve stent having a section with a heart valve implant and several proximally disposed tissue anchors, also comprising a plurality of anchoring threats, each with a proximate end fastened to the stent or valve and a distal end attached to tissue within a heart chamber to provide tension between the heart chamber tissue and the stent. The diodes are characterised in that they comprise at least one p-doped or n-doped transport layer having a larger optical band gap than that of the photoactive layer. Then, the power state of the component can be changed as a function of that direction. Further, the deallocated state estimation module estimates a state in which at least part of virtual servers allocated to the overloaded server is deallocated as a deallocated server among the plurality of virtual servers. Such a barrier film can be fabricated using nanocomposite self-assembly techniques based on sol-gel chemistry. Based on the score, the program code generates a request to adjust allocation of the computer hardware within the networked computer system to satisfy the requirements estimated.