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Biomaterials 2 > Bio-composites > Flashcards

Bio-composites Flashcards

1
Q

What is in the Extracellular matrix?

A

fibre composite, hydrogel composite and in bone a mineral component

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2
Q

What is in the Extracellular matrix?

A

fibre composite, hydrogel composite and in bone a mineral component

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3
Q

What is tissue?

A

a collection of cells and ECM in fluids

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4
Q

What does isotropic mean?

A

A property that has the same value when measured in different directions

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5
Q

What does anisotropic mean?

A

A property that has different values when measured in different directions

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6
Q

Whats the youngs modulus of collagen?

A

6 GPa

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7
Q

Whats the youngs modulus of hydroxyapatite?

A

80 GPa

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8
Q

Whats the longitudinal youngs modulus of cortical bone?

A

11-21 GPa

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9
Q

What the transverse youngs modulus of cortical bone?

A

5-13 GPa

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10
Q

Whats the youngs modulus of cancellous bone?

A

0.4 GPa

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11
Q

What is the collagen/elastin content in tendons?

A

elastin - 2%

collagen - 89%

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12
Q

what is collagen/elastin content in ligaments?

A

elastin 40-50%

collagen - around 60%

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13
Q

what is the elastin content in arteries?

A

40-50%

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14
Q

what is the elastin content in skin?

A

5%

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15
Q

What is tissue?

A

a collection of cells and ECM in fluids

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16
Q

What does isotropic mean?

A

A property that has the same value when measured in different directions

17
Q

What does anisotropic mean?

A

A property that has different values when measured in different directions

18
Q

Whats the youngs modulus of collagen?

A

6 GPa

19
Q

Whats the youngs modulus of hydroxyapatite?

A

80 GPa

20
Q

Whats the longitudinal youngs modulus of cortical bone?

A

11-21 GPa

21
Q

What the transverse youngs modulus of cortical bone?

A

5-13 GPa

22
Q

Whats the youngs modulus of cancellous bone?

A

0.4 GPa

23
Q

What is the collagen/elastin content in tendons?

A

elastin - 2%

collagen - 89%

24
Q

what is collagen/elastin content in ligaments?

A

elastin 40-50%

collagen - around 60%

25
Q

what is the elastin content in arteries?

A

40-50%

26
Q

what is the elastin content in skin?

A

5%

27
Q

What is fibronectin?

A

A Cell adhesive protein

28
Q

What is laminin?

A

An important part of the basement membrane that connects to cells via integrin binding

Biomaterials 2 (14 decks)

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