Introduction to Biosensors, Biochips, and Nanobiotechnology

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Questions and Answers

What key characteristics must an ideal biosensor have?

  • Physically robust and insensitive to temperature (correct)
  • Lack of accuracy and repeatability
  • Sensitive to temperature fluctuations
  • Prone to environmental interference

Which area is NOT mentioned as a potential application for biosensors?

  • Military application
  • Mining and toxic gases analysis
  • Agricultural machinery control (correct)
  • Industrial effluent control

What is a major challenge in biosensors miniaturization?

  • Lack of multidisciplinary expertise
  • Integrating microarray and signal processing technologies (correct)
  • Reducing accuracy and repeatability
  • Increasing vulnerability to temperature changes

Which statement accurately describes biochips?

<p>Essentially miniaturized laboratories (B)</p> Signup and view all the answers

Why are biosensors vital in pharmaceutical and drug analysis?

<p>As artificial pancreases for drug analysis (C)</p> Signup and view all the answers

What is a common limitation of biosensors?

<p>Inaccuracy and lack of repeatability (A)</p> Signup and view all the answers

What is the usual aim of a biosensor?

<p>To convert biological activity into a quantifiable signal (C)</p> Signup and view all the answers

Which of the following is NOT a typical sensing technique for biosensors?

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

What factor limits biosensor awareness and use according to the provided text?

<p>Technological challenges like miniaturization (D)</p> Signup and view all the answers

Which performance element is considered the most important in a biosensor?

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

What is the primary function of a biosensor?

<p>Quantify biological activity into signals (C)</p> Signup and view all the answers

Which of the following is NOT an issue limiting the use of biosensors mentioned in the text?

<p>Interference from external devices (B)</p> Signup and view all the answers

What is a key characteristic required for an ideal biosensor?

<p>Self-calibrating (A)</p> Signup and view all the answers

What poses technical challenges in biosensors?

<p>Miniaturization (D)</p> Signup and view all the answers

What is a limitation of some biosensors?

<p>Long-term stability (A)</p> Signup and view all the answers

Why is real-time detection important in biosensors?

<p>It provides rapid results within the process timescale (A)</p> Signup and view all the answers

What is an essential characteristic of a biosensor for commercial production?

<p>Low cost of ownership (B)</p> Signup and view all the answers

Why does miniaturization pose challenges in biosensors?

<p>Technical complexities (D)</p> Signup and view all the answers

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