Assignment Example | Topics and Well Written Essays - 1000 words - 19

Assignment ExampleIron catalyses L-DOPA to generate a genuine free radical which forms covalent bonds. These compounds then make good delegacy to bond antifouling polymers.6. If you want to break the amide (peptide) bonds that marine life use to attach themselves to ship, one should put a minimum of hydrophobic coating on to minify the adhesive strength of the bonds. This process is called amide hydrolysis.8. Fluid Flow in most non-biological applications falls into non-biological applications fall into either the laminar flow region for gas figure flows or the turbulent region for liquid phase flows. For biological flows, one is often in the molecula flow regime.11. 1 (a) Artificial Kidney Polyhydroxyethylmethacrylate (PHEMA) which is a cross-linked hydrogel. It is not draped by the body, capable of withstanding heat sterilization without damage, has resistance to degradation and it contains water content similar to living tissue.(b) Blood Vessels Nitinol, a configuration memor y alloys is utilize as an artificial blood vessel like coronary artery. The memory alloy has the capability of being deformed and going back to its original shape when pressure is released. The materials should be non-corrosive, have resistance to blood thrombocyte, be durable and non-toxic.(c) Contact Lenses Polyhydroxyethylmethacrylate (PHEMA) is also used in the production of contact lenses. It is selected since it can be organized into any shape or form it can withstand degradation and cant be absorbed by the body.(d) Artificial core group Polyethylene terephthalate (Knitted Dacron) and Polytetrafluoroethylene (PTFE) as vascular graft are in common use for creation of artificial heart components. Materials should exhibit resistance to platelet and blood clotting, it should have biomechanical strength and durability, non-toxicity and biocompatibility.(e) Hip & Knee replacement Materials used for hip & knee replacement are metallic biomaterials divided into 3 groups