Scaffold Fabrication Techniques

What are the traditional tissue engineering methods based on?

• Top-down approach

• Bottom-up approach

• Self-assembly

• Electrospinning

What is the main challenge in fabricating complex larger functional tissues?

• High cell densities

• Low metabolic requirements

• Simple structures

• Uniform pore structure

What is the first step in the electrospinning process?

• Applying high voltage

• Ejecting polymer solution

• Forming fibers

• Regulating parameters

What types of polymers can be used in electrospinning?

• Synthetic polymers

• Natural polymers

• Both synthetic and natural polymers

• None of the above

What is the process of phase separation used for?

• Filtration

• Separation

• Fabrication of porous membranes

• All of the above

What is the temperature range for freezing in the freeze-drying process?

• -70°C to -80°C

• -50°C to -60°C

• -90°C to -100°C

• 0°C to -10°C

What is the primary drying process in freeze-drying?

• Direct sublimation

• Evaporation

• Condensation

• Heating

What is the main advantage of phase separation over electrospinning?

• Uniform pore structures

• Complex structures

• Quick process

• Simple method

What is the DOK level of the question regarding the electrospinning process?