Bioanalytical Chemistry Activity Questions on Biorecognition Elements and Biosensors
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Questions and Answers

Which one of the following represents three different biorecognition elements that can be used in biosensing?

  • Enzymes, antibodies, and aptamers (correct)
  • Hormones, vitamins, and neurotransmitters
  • Nucleic acids, antigens, and antigens
  • Lipids, carbohydrates, and proteins
  • Which of the following statements best describes the function of biorecognition elements in a biosensor?

  • They facilitate the amplification of the detected signal
  • They enable the biosensor to selectively recognize and bind to the target analyte (correct)
  • They prevent non-specific interactions with other biological molecules
  • They are responsible for converting the biological signal into an electrical signal
  • If you need to design a portable sensor for on-site monitoring of drinking water contaminants, which device would be most suitable based on its working principle?

  • Quartz Crystal Microbalance (QCM) sensor
  • Colorimetric sensor
  • Field-Effect Transistor (FET) sensor (correct)
  • Surface Plasmon Resonance (SPR) sensor
  • In the context of Enzyme-Linked Immunosorbent Assay (ELISA), which format is generally more sensitive for detecting the target analyte?

    <p>Sandwich ELISA</p> Signup and view all the answers

    What is the primary goal of developing a biosensor against E. coli?

    <p>Detecting as low as 1-10 CFU/100 mL</p> Signup and view all the answers

    Which of the following is not a component of bioanalytical chemistry?

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

    What is the aim of developing a portable biosensor for Covid-19/hepatitis C virus (HCV) diagnosis?

    <p>Detecting as low as one virus infection</p> Signup and view all the answers

    What is the main purpose of using advanced technologies such as microfluidics and microfabrication in bioanalytical chemistry?

    <p>To develop new types of measurements for faster, cheaper, and more sensitive measurements</p> Signup and view all the answers

    In which industry are biosensors used to follow up the glucose level for diabetes patients?

    <p>Medical/health monitors</p> Signup and view all the answers

    Which technique is NOT included in the syllabus of the bioanalytical chemistry course?

    <p>Gas chromatography</p> Signup and view all the answers

    Which type of biosensor is based on aptamer technology?

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

    What is the primary focus of bioanalytical chemistry?

    <p>Analyzing and quantifying biological samples in different settings</p> Signup and view all the answers

    "Colony-forming Unit" (CFU) is a measurement unit used in the context of:

    <p>'Task 1-Analytical Problem 1'</p> Signup and view all the answers

    "Volumetric titration" and "Gravimetric analysis" are examples of:

    <p>'Progression in Quantitative Chemical Analysis'</p> Signup and view all the answers

    "Implantable sensors based on artificial intelligence (AI)" are developed for:

    <p>'Task 2-Analytical Problem 2'</p> Signup and view all the answers

    "Parcel sensing for Drugs & pathogenetic bacteria (anthrax spores)" falls under which application area of biosensors?

    <p>Homeland security</p> Signup and view all the answers

    Study Notes

    Biosensing and Biosensors

    • Antibodies, enzymes, and aptamers are three different biorecognition elements used in biosensing.

    Function of Biorecognition Elements

    • Biorecognition elements in a biosensor recognize and bind to specific target analytes.

    Portable Sensor for On-Site Monitoring

    • An electrochemical sensor is most suitable for on-site monitoring of drinking water contaminants due to its portability.

    ELISA (Enzyme-Linked Immunosorbent Assay)

    • The sandwich ELISA format is generally more sensitive for detecting target analytes.

    Biosensor Development Against E. Coli

    • The primary goal of developing a biosensor against E. coli is for detection and monitoring.

    Components of Bioanalytical Chemistry

    • Transistor is not a component of bioanalytical chemistry.

    Portable Biosensor for Covid-19/HCV Diagnosis

    • The aim of developing a portable biosensor for Covid-19/HCV diagnosis is for point-of-care testing.

    Advanced Technologies in Bioanalytical Chemistry

    • The main purpose of using advanced technologies such as microfluidics and microfabrication is to improve sensitivity and portability.

    Industry Application of Biosensors

    • Biosensors are used in the healthcare industry to follow up glucose levels for diabetes patients.

    Bioanalytical Chemistry Course

    • PCR (Polymerase Chain Reaction) is a technique not included in the syllabus of the bioanalytical chemistry course.

    Biosensor Based on Aptamer Technology

    • Aptasensors are biosensors based on aptamer technology.

    Primary Focus of Bioanalytical Chemistry

    • The primary focus of bioanalytical chemistry is the detection and analysis of biological samples.

    "Colony-forming Unit" (CFU)

    • CFU is a measurement unit used in the context of microbiology.

    Volumetric Titration and Gravimetric Analysis

    • Volumetric titration and gravimetric analysis are examples of classical analytical techniques.

    Implantable Sensors

    • Implantable sensors based on artificial intelligence (AI) are developed for healthcare applications.

    Application Area of Biosensors

    • Parcel sensing for drugs and pathogenetic bacteria (anthrax spores) falls under the application area of biosensors in security and defense.

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    Description

    Test your knowledge of bioanalytical chemistry with these activity questions on biorecognition elements, biosensors, and enzyme-linked immunosorbent assay (ELISA). Explore the functions of biorecognition elements, ELISA formats, and bacteriophage-based biosensors in monitoring bacteria.

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