Bioanalytical Chemistry (423 Chem) Activity Questions

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Questions and Answers

How could bacteriophage-based biosensors be used as an alternative to current detection methods for monitoring bacteria?

  • By enabling rapid detection and improving specificity (correct)
  • By providing rapid detection only
  • By improving specificity only
  • By reducing costs only

What is the more sensitive format of Enzyme-Linked Immunosorbent Assay (ELISA)?

  • Direct ELISA
  • Competitive ELISA
  • Sandwich ELISA (correct)
  • Indirect ELISA

In designing a biosensor for cancer marker detection, why might an aptamer be preferred over an antibody?

  • Aptamers are cheaper to produce
  • Aptamers offer higher specificity and stability (correct)
  • Aptamers have higher sensitivity
  • Aptamers are easier to immobilize on sensor surfaces

For on-site monitoring of drinking water contaminants, which device would be suitable for designing a portable sensor?

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

What is the primary focus of bioanalytical chemistry?

<p>Detection of biological samples (C)</p> Signup and view all the answers

Which technique involves the study of molecules such as proteins, peptides, DNA, and drugs?

<p>Immunoassays (C)</p> Signup and view all the answers

What is the main goal of the proposed biosensor in Task 1?

<p>Detecting E. coli in water and food samples (C)</p> Signup and view all the answers

What is the aim of the project in Task 2?

<p>Developing a portable biosensor for Covid-19/hepatitis C virus diagnosis (B)</p> Signup and view all the answers

What is the role of an analyst/researcher in bioanalytical chemistry?

<p>To develop new types of measurements (D)</p> Signup and view all the answers

What is the purpose of wireless-based biosensors mentioned in the text?

<p>To detect pathogens in parcels (A)</p> Signup and view all the answers

Which biosensor classification is specifically mentioned in the syllabus?

<p>Affinity-based biosensors (D)</p> Signup and view all the answers

'Colony-forming Unit' (CFU) is associated with the detection of:

<p>(Bio)sensors for detecting pathogens (B)</p> Signup and view all the answers

What type of biosensor is used in glucometers?

<p>Enzyme-based biosensors (A)</p> Signup and view all the answers

'Lab on a chip' technology is used for:

<p>(Bio)sensors for drug detection (A)</p> Signup and view all the answers

'Phage-based biosensors' are specifically mentioned in the syllabus under which classification?

<p>(Bio)sensors for detecting pathogens (B)</p> Signup and view all the answers

Which technique is used for surface chemistry in voltammetric analysis?

<p>Linear sweep voltammetry (D)</p> Signup and view all the answers

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Study Notes

Biosensors and Bioanalytical Chemistry

  • Bacteriophage-based biosensors can be used as an alternative to current detection methods for monitoring bacteria.

Immunosorbent Assay (ELISA)

  • The more sensitive format of Enzyme-Linked Immunosorbent Assay (ELISA) is not specified but implied to be a more sensitive format.

Biosensor Design

  • In designing a biosensor for cancer marker detection, an aptamer might be preferred over an antibody.

Portable Sensors

  • For on-site monitoring of drinking water contaminants, a portable sensor would be suitable.

Bioanalytical Chemistry

  • The primary focus of bioanalytical chemistry is not specified but implied to be the analysis of biological samples.
  • Bioanalytical chemistry involves the study of molecules such as proteins, peptides, DNA, and drugs.

Biosensor Goals

  • The main goal of the proposed biosensor in Task 1 is not specified.
  • The aim of the project in Task 2 is not specified.

Analyst/Researcher Role

  • The role of an analyst/researcher in bioanalytical chemistry is not specified.

Biosensor Classifications

  • Wireless-based biosensors are mentioned in the text.
  • Phage-based biosensors are classified as a type of biosensor.
  • 'Lab on a chip' technology is a type of biosensor.

'Colony-forming Unit' (CFU)

  • 'Colony-forming Unit' (CFU) is associated with the detection of bacteria.

Glucometers

  • A type of biosensor used in glucometers is not specified.

Voltammetric Analysis

  • Surface chemistry in voltammetric analysis involves a technique that is not specified.

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