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</p> Signup and view all the answers

    What is the primary focus of bioanalytical chemistry?

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

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

    <p>Immunoassays</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</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</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</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</p> Signup and view all the answers

    Which biosensor classification is specifically mentioned in the syllabus?

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

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

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

    What type of biosensor is used in glucometers?

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

    'Lab on a chip' technology is used for:

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

    Which technique is used for surface chemistry in voltammetric analysis?

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

    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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    Description

    Test your knowledge with these activity questions on bioanalytical chemistry, covering topics such as biosensors, biorecognition elements, Enzyme-Linked Immunosorbent Assay (ELISA) formats, and bacteriophage-based biosensors. Each question is worth 2 points.

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