V16_Lab Chip 13: Microfluidic Systems Quiz

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Questions and Answers

In paper-based microfluidics, detection reagents are pre-deposited onto the paper areas before users introduce the samples for testing.

False (B)

A wax-printed 384-zone paper plate can be used after application of various dyes in microfluidic systems.

True (A)

Integration of indication reagents into the detection zones of devices is a step in creating complete devices in microfluidics.

True (A)

Helen Murray Free was involved in the development of paper-based microfluidic systems in 1956.

<p>False (B)</p> Signup and view all the answers

Lateral Flow Strips are commonly used in Microfluidic Paper-based Analytical Devices (µPADs).

<p>True (A)</p> Signup and view all the answers

The hydrophobic properties of paper play a significant role in the function of Microfluidic Paper-based Analytical Devices (µPADs).

<p>False (B)</p> Signup and view all the answers

Lateral flow strips have high sample volumes for effective sample consumption.

<p>False (B)</p> Signup and view all the answers

Hydrophilic properties of paper are a disadvantage for paper-based microfluidics.

<p>False (B)</p> Signup and view all the answers

Paper parameters such as porosity and thickness do not impact the performance of microfluidic paper-based analytical devices.

<p>False (B)</p> Signup and view all the answers

Cellulosic materials are not commonly used in the fabrication of paper-based microfluidics.

<p>False (B)</p> Signup and view all the answers

Paper-based microfluidic devices are not suitable for use in developing countries due to high cost.

<p>False (B)</p> Signup and view all the answers

Commercialized cheap dipsticks are not useful for diagnostics in developing countries.

<p>False (B)</p> Signup and view all the answers

Paper-based microfluidic devices are commonly used for glucose monitoring.

<p>True (A)</p> Signup and view all the answers

The hematocrit portion of blood cells represents 80% of the blood volume.

<p>False (B)</p> Signup and view all the answers

Graphite and gold inks are commonly used for screen printing electrodes on paper-based test strips.

<p>False (B)</p> Signup and view all the answers

Lateral flow strips rely on the hydrophobic properties of paper to function effectively.

<p>False (B)</p> Signup and view all the answers

Cellulosic materials are a common component in microfluidic paper-based analytical devices.

<p>True (A)</p> Signup and view all the answers

Glucose monitoring can be done using an electrochemical detection method at electrodes.

<p>True (A)</p> Signup and view all the answers

Microfluidic systems are not applicable for paper-based devices due to their complexity.

<p>False (B)</p> Signup and view all the answers

Flashcards

Are reagents pre-deposited in paper-based microfluidics?

False. Detection reagents are typically applied when the user introduces the sample.

Can wax-printed paper plates be used with dyes?

True. Wax-printed paper plates can handle various dyes in microfluidic systems.

Is integrating reagents important?

True. Incorporating reagents is essential for complete microfluidic devices.

Was Helen Murray Free involved in paper-based microfluidics in 1956?

False. Helen Murray Free's work was before paper-based microfluidics.

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Are lateral flow strips used in µPADs?

True. Lateral flow strips are common in µPADs.

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Are hydrophobic properties important in µPADs?

False. Paper's hydrophilic properties are crucial.

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Do lateral flow strips need high sample volumes?

False. They use small sample volumes.

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Are hydrophilic properties a disadvantage?

False. Hydrophilic properties are an advantage.

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Do paper parameters impact µPAD performance?

False. Paper parameters significantly affect performance.

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Are cellulosic materials used in paper microfluidics?

False. Cellulosic materials are commonly used.

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Are paper devices unsuitable for developing countries?

False. They are suitable due to low cost.

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Are cheap dipsticks useless for diagnostics?

False. They are useful for diagnostics.

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Are paper devices used for glucose monitoring?

True. Paper-based devices are used for glucose monitoring.

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Does hematocrit represent 80% of blood volume?

False. The hematocrit portion is about 40-45%.

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Are graphite and gold inks used for electrodes?

False. Silver and carbon inks are commonly used.

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Do lateral flow strips rely on hydrophobic paper?

False. Lateral flow strips rely on the hydrophilic properties of paper to function effectively.

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Are cellulosic materials a common component?

True. Cellulosic materials are a common component in microfluidic paper-based analytical devices.

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Can electrochemical methods monitor glucose?

True. Glucose monitoring can be done using an electrochemical detection method at electrodes.

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Are Microfluidic systems applicable for paper-based devices?

False. Microfluidic systems can be applied for paper-based devices.

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