17 Questions
What are the two basic types of 3D patterning mentioned in the text for bioprinting large-scale vascularized functional tissue?
Type I pattern and Type II pattern
What is the technology used in stereolithography bioprinting to form a 3D structure?
Layer of photopolymer resin polymerized by light irradiation
What is the main advantage of stereolithography bioprinting mentioned in the text?
Highest resolution
In the context of bioprinting, what is the function of a Digital Micromirror Device (DMD)?
Control the movement of light source
What is the potential risk to cells exposed to UV radiation in stereolithography bioprinting as mentioned in the text?
Cell lysis and DNA damage
How does Intraoperative Bioprinting (IOB) using the biopen differ from other bioprinting methods?
IOB is designed for on-the-spot treatment during surgery
What are the characteristics of 3D bioprinting?
Automation and high precision
Which type of bioprinting technology enables fabrication of biomimetic, multi-cellular tissues layer by layer?
Stereolithography bioprinting
In bioprinting, which method relies on solidifying liquid resin layer by layer using UV light?
Stereolithography bioprinting
What is a key advantage of 3D bioprinting in creating bionic ears?
Customizability
Which characteristic is essential for the successful bioprinting of vascularized functional tissues?
High precision in tissue patterning
What distinguishes droplet-based bioprinting from other bioprinting methods?
Deposits cell-laden droplets onto a substrate to form tissues
What is the main advantage of syringe or nozzle-based bioprinting systems?
Scalability and greater printing speed
In extrusion-based bioprinting, what is the main limitation mentioned in the text?
Low cell viability ranging from 40% to 95%
What is a common feature of scaffold-free inks used in bioprinting according to the text?
Capable of forming cell spheroids and strands
What is the significance of the photomicrograph showing viability of neocartilaginous tissue in contact with the coil antenna in the bionic ear model?
Shows the successful integration of living tissue with an electronic component
What is a key feature of extrusion-based (direct writing) bioprinting?
Employs high pressure mechanical force like a piston or screw
Explore syringe or nozzle-based systems for bioink dispensing in extrusion-based 3D printing. Learn about advantages like scalability, high printing speed, and the use of various types of bioinks. Understand the limitations such as resolution and cell viability.
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