| 1 |
What is the main advantage of using nanomaterials in electrochemical sensors for medical diagnostics?
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3. They enhance sensitivity and surface area for detection |
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The properties of the nanomaterials enhances sensitivity, specificity, miniaturization, and making them ideal for point-of-care testing and real-time analysis.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" in the abstract section.
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| 2 |
Which of the following nanomaterials is frequently mentioned as enhancing sensor conductivity?
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5. Ferric oxide |
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Because the gold nanoparticles have a high conductivity which therefore enhances the sensor conductivity.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" in 1.3.1. Enhancing sensitivity and specificity section.
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| 3 |
Why are carbon-based nanomaterials such as carbon nanotubes (CNTs) useful in electrochemical sensors?
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3. They improve electron transfer and mechanical strength |
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The carbon nanotubes offer excellent electrical conductivity and a large surface area, facilitating efficient electron transfer and providing a robust platform for enzyme attachment.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" in the 5.1.1. glucose detection section.
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| 4 |
What is one challenge in integrating nanotechnology with electrochemical sensors for medical use?
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3. Issues in reproducibility and standardization |
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The large-scale production of high-quality nanomaterials remains a significant challenge because of the consistency in the synthesis of nanomaterials.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" in the 7.1.2. material challenges section.
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| 5 |
Which technique is commonly used to enhance the signal in nanotechnology-based electrochemical sensors?
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5. Magnetic separation |
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| 6 |
Why is biocompatibility crucial in designing electrochemical sensors for medical diagnostics?
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2. To prevent rejection or toxicity in biological systems |
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Thorough biocompatibility testing and the development of biocompatible coatings are necessary to mitigate potential adverse effects on patients
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" in the 7.1.2. material challenges section.
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| 7 |
How do label-free electrochemical sensors differ from labeled ones?
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3. They do not rely on additional reagents or markers |
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Label-free electrochemical sensors detect target molecules directly, without the need for added reagents, markers, or chemical labels like dyes or enzymes.
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" research paper
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| 8 |
What is one promising application of nanotech-based electrochemical sensors?
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2. Early detection of disease biomarkers |
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High sensitivity, selectivity, and miniaturized format make them ideal for detecting very low concentrations of biological markers associated with conditions like cancer, cardiovascular disease, and infections.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" article in the Applications in medical diagnostic section.
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| 9 |
Which of the following factors most directly affects the sensor's detection limit?
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2. Nanomaterial surface-to-volume ratio |
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A higher surface-to-volume ratio in nanomaterials means more surface area is available for interaction with the target analyte, which typically leads to greater sensitivity and a lower detection limit.
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" article.
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| 10 |
What is one of the primary goals of using digital sensing technologies in cancer care?
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3. Enable earlier and more personalized diagnosis |
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| 11 |
Which type of sensor is often used to monitor physical activity in cancer patients?
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3. Accelerometers |
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They provide continuous, objective data on metrics like step count, movement intensity, and activity fragmentation.
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" article.
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| 12 |
Why are patient-reported outcomes important in digital cancer care systems?
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3. They provide subjective data complementing sensor metrics |
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" article.
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| 13 |
What is one major advantage of real-time digital sensing in cancer treatment?
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4. Reducing the need for physical examinations entirely |
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| 14 |
Which of the following is a key barrier to implementing digital sensing in routine oncology practice?
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3. Limited digital literacy among patients and providers |
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| 15 |
Which stakeholders are considered central to the adoption of digital cancer care platforms?
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2. Patients and healthcare providers |
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1. Patients, as end-users, interact directly with digital tools like portals, mobile apps, and wearables. Their acceptance, digital literacy, and sustained engagement are essential for successful adoption and impact.
2. Healthcare providers, including doctors and nurses, play a critical role in integrating these tools into clinical workflows, using data for decision-making, and encouraging patient participation
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" article.
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| 16 |
Digital sensing systems collect which combination of data types for cancer care optimization?
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3. Imaging and surgical videos |
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| 17 |
How do digital sensors contribute to improving the quality of life in cancer patients?
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1. By limiting their movement |
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| 18 |
What does the article suggest about the future direction of digital sensing in cancer care?
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3. It holds promise for widespread personalized care |
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More personalized, precise, and scalable monitoring and treatment strategies.
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" article.
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| 19 |
Based on the diagram, which of the following would most likely result in a false signal output in an electrochemical sensor for medical diagnostics?
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3. Placing the electrode too close to the bioreceptor layer |
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From "Roles of nanotechnology in electrochemical sensors for medical diagnostic purposes: A review" article
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| 20 |
Based on the image, which of the following scenarios best demonstrates the advantage of using emerging digital platforms in cancer diagnostics?
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3. A portable chip-based sensor detects protein biomarkers from a blood sample within minutes |
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Emerging digital platforms uses machines and Ai making it detect things faster.
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From "Digital sensing technologies in cancer care: A new era in early detection and personalized diagnosis" article.
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