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Your company is currently considering acquiring another company, which has as its primary product a new contact lens material. While the product is currently not in commercial development, representatives from the company comment that it is close to being so. Your job is to further explore this option to determine its viability. You have been told that the materials are primarily based on silicone but that there is a novel modification which minimizes protein and lipid fouling. Your role is to both assess the real potential of this product and to provide technical information on its potential for success to the economic people.
A) Describe the major technical areas involved in engineering a new biomaterial such as a contact lens. Are there differences with other biomaterial based products?
B) Give criteria by which you would assess the 'success' of the proposed design specifically related to the materials aspects of the device.
Construct a table that summarizes the Level 0 information that you have, and information that you might need to obtain. Comment on choices that might need to be reconsidered and why. Comment on what you will do about currently missing information.
in gas-shy-solid fluidization it is frequently common to have a wide size distribution of particles present in the
Burning the coke deposited on the catalyst particles generates all the heat necessary for catalytic cracking. Therefore, the coke burning rate is a critical parameter to control the rate of cracking. The composition of dry flue gas from the regenerat..
A liquid mixture consisting of 100 kmol of 60 mol% benzene, 25 mol% toluene, and 15 mol% o-xylene is flashed at 1 atm and 100°C. (a) Compute the amounts of liquid and vapor products and their composition.
Consider the following information: i. The layer of dead skin on our bodies is sufficient to protect us from most -particle radiation.
Calculate the standard enthalpy of combustion per gram of liquid methanol and compare this answer to that for ethanol in Exercise 75.
A factory is producing tablets. It is required to design a system such that: The bottles moves till it reach the position shown (A) and 50 tablets are dropped in
Adipic acid is used in the manufacture of nylon 6,6. It is made by hydrogenation of phenol to a mixture of cyclohexane and cyclohexane (known as KA oil-ketone and alcohol), followed by oxidation with nitric acid.
question 1a the radiation protection act 2003 makes provisions for the protection of people against the risks from
Indium antimonide (InSb) is a semiconductor with a narrow band gap of 0.17eV and an intrinsic carrier concentration of 2×1016cm-3. The mobility of electrons in InSb is 78000 cm2/V⋅s and their effective mass is 0.014m0, while the holes have a mobility..
A plant has a batch of 100 kmol of a liquid mixture containing 20 mol% benzene and 80 mol% chlorobenzene. It is desired to rectify this mixture at 1 atm to obtain bottoms containing only 0.1 mol% benzene. The relative volatility may be assumed con..
The feed media to a fermentation reactor consists of glucose solution in water with added nutrients and has specific gravity 1.03 at 40 ºC. Determine the size of control valve to use for a normal design flow rate of 0.2 m3 /h if the valve is sized..
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