BACKGROUND For the treatment of bone defects that exceed the critical size of the injury, several therapies have been investigated. Thermal decomposition method is suggested for extraction of natural hydroxyapatite bioceramic (HA). This technique in comparison with other methods of producing HA, has less complexity and greater economic efficiency. OBJECTIVE In the present study, a thermal dec...

There is an increase in the demand for human implants complete or partial replacement of soft and/or hard tissues due to different reasons, such as a higher life expectancy [...]

articular cartilage, the load-bearing tissue of the joint, has limited repair and regeneration ability. the scarcity of treatment modalities for large chondral defects has motivated researchers to engineer cartilage tissue constructs that can meet the functional demands of this tissue in vivo. cartilage tissue engineering requires 3 components: cells, scaffold, and environment. owning to their ...

Titanium has broad application prospects in the field of hard bone tissue repair and replacement due to its low density, an elastic modulus similar that human bone, better biocompatibility than stainless steel cobalt-based alloys. However, titanium is a biologically inert material with biological activity. After implantation, it only physically bonds instead chemically bonding, which causes com...

This paper describes a method of function replacement in hard real-time systems implemented with FPGAs using dynamic partial reconfiguration. Prefetching of functions is used to avoid violations of real time conditions in cases where reconfiguration time is large compared to sampling time. A finite state machine determined from the specification of the real-time system is used to control reconf...