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Questions and Answers
Microfluidic platforms can be defined by actuation principles or applied forces.
Microfluidic platforms can be defined by actuation principles or applied forces.
True
The pressure-driven microfluidic platform involves the use of gravity for fluid transport through channels.
The pressure-driven microfluidic platform involves the use of gravity for fluid transport through channels.
False
Immunoassays are directly related to the concept of micro valves in microfluidic systems.
Immunoassays are directly related to the concept of micro valves in microfluidic systems.
False
High-pressure liquid chromatography chips are commonly used in magnetic microfluidic platforms.
High-pressure liquid chromatography chips are commonly used in magnetic microfluidic platforms.
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Ink-jet printing technology can be considered a form of applied force in microfluidic platforms.
Ink-jet printing technology can be considered a form of applied force in microfluidic platforms.
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In Microfluidics, laminar flow allows for a predictable flow profile.
In Microfluidics, laminar flow allows for a predictable flow profile.
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Microfluidic systems have high thermal mass, leading to increased energy consumption.
Microfluidic systems have high thermal mass, leading to increased energy consumption.
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One of the characteristics of Microfluidics is a small surface-to-volume ratio.
One of the characteristics of Microfluidics is a small surface-to-volume ratio.
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Immunoassays are commonly used in Microfluidic Systems - Bio-MEMS.
Immunoassays are commonly used in Microfluidic Systems - Bio-MEMS.
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In Microfluidics, micro valves and micro pumps are not essential components.
In Microfluidics, micro valves and micro pumps are not essential components.
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Microfluidic systems aim to have high consumption of reagents to ensure accuracy in testing.
Microfluidic systems aim to have high consumption of reagents to ensure accuracy in testing.
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Study Notes
Microfluidic Platforms
- Classified into different types based on actuation principles or applied forces: Pressure-driven, Capillary, Magnetic, Centrifugal, Acoustic, Electrokinetic
- Each platform has its unique characteristics and applications
Characteristics of Microfluidics
- Chips or systems with small footprint
- Efficient mass transport
- Low thermal mass
- Low energy consumption
- Laminar flow (allows predictable flow profile)
- Large surface-to-volume ratio in micro channels and droplets
- Smallest volumes can be handled (nL → fL)
Laminar Flow
- Flow direction is predictable
- Can be observed in microfluidic systems
Capillary Force / Surface Tension
- Contact angle (Θ) is important in microfluidic systems
- Can be influenced by surface properties and liquids used
Microfluidics in Nature
- Examples: Cilia, Lotus Effect, Blood Flow, Flagella
- Inspiration for microfluidic systems can be drawn from nature
Introduction to Microfluidic Systems
- Motivation: Test automation, miniaturization, integration
- Objectives: Fast handling of small fluid volumes, small device footprint, low reagent consumption, portable, robust, easy-to-handle, cheap, disposable
Definition of Terms
- Microfluidic Systems: Handling small fluid volumes, automation, integration, and miniaturization
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Description
Test your knowledge on microfluidic platforms defined by actuation principles like pressure, capillary, magnetic, and acoustic electrokinetic. This quiz covers concepts from the course 'Microfluidic Systems - Bio-MEMS' taught by Prof. Dr.-Ing. Uwe Schnakenberg.
