ps1soln - Problem Set #1 BENG 434/ENAS 534 Biomaterials...

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Problem Set #1 BENG 434/ENAS 534 Biomaterials Due: Thursday, September 18 th at the beginning of class 1. Define biomaterials in ten words or less. Provide 5 examples including a metal, polymer, ceramic, and a natural material example. Examples: (1 pt each) Plastic tissue culture dishes, ivory for teeth, Teflon for  arteries… anything that is used often enough to be in research, development,  or clinical use is acceptable. 2. Crystal structures. (a) Draw a plane of close packed atoms (the A layer) (b) Draw a second plane of close packed atoms above the first (the B layer) using a different color pen/pencil (c) Draw the C layer
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(d) Using gum drops, styrofoam balls, or ping pong balls as the atoms, make a three dimensional model of the face-centered cubic structure (FCC). Label all the atoms as to what layer (the A B or C layer) they are drawn from relative to each other. 3. Pauling’s rules. The rutile structure is based on HCP, hexagonal close packing, and is the crystal structure of TiO 2
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ps1soln - Problem Set #1 BENG 434/ENAS 534 Biomaterials...

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