TU Wien:Biomaterials VO (Lichtenegger)/Prüfung 27.06.2023

Fragen mehr oder weniger so: Jeweils 4 Punkte pro Kapitel/Frage, insgesamt max 24 Punkte

• 1) Keratin
  • 1.1 What is the structure
  • 1.2 difference hair keratin and feather keratin
  • 1.3 Which influence has cysteine?

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• 2)
  • 2.1 What is "Material efficency"
  • 2.2 What material parameters are necessary that doesn't buckle under weight
  • 2.3 Wood easier seperated radial or tangential, explain microstructure

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• 3) Wood
  • 3.1 what are typical safety factors and biomaterials and compare them to safety factors in engineering
  • 3.2 how does wood heal wounds when dead tissue
  • 3.3 which shape will the healed wound have (draw outline in a sketch, Triangle horizontal, triangle vertical, circle)

explain why it will form this shape

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• 4) Muscle
  • 4.1 Main components muscle
  • 4.2 how does muscle contraction work
  • 4.3 what is the limitation for strength

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• 5) Teeth
  • 5.1 Enamel vs Dentin, mechanical parameters and structure
  • 5.2 Delamination, why not happening
  • 5.3 What effect does flour have

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• 6) Cartilage
  • 6.1 Components cartilage
  • 6.2 Describe the structure of cartilage
  • 6.3 Delamination? Bone is way stiffer than Cartilage, why not?
  • 6.4 Dampening Effect Cartilage