| 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 use of nano materials in electrochemical sensors has several advantages, but the most prominent advantage is the increased sensitivity and surface area for the detection of biomolecule, enabling diagnosis at the molecular level and is considered a significant advancement in medical technology in present era.
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Surface Area to Volume Ratio Theory which explains that material that decrease in size will have an increased surface area rapidly.
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| 2 |
Which of the following nanomaterials is frequently mentioned as enhancing sensor conductivity?
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2. Gold nanoparticles |
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It has outstanding properties of excellent electrical conductivity. Therefore, it is ideal for use in electrochemical sensors.
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Quantum Size Effect theory shows that the at the nano level gold has a higher free electron energy and can transfer electrons quickly resulting in high conductivity even in the absence of high voltage.
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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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CNTs have very high mechanical strength, even at the small size allowing electrical signals in the sensor to travel quickly and with high sensitivity.
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Percolation theory shows that the structure of CNTs creates a continuous electrical conduction network which significantly improves the flow of electrons in the sensor system.
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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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Thé use of nanotechnology in electrochemical sensors helps make medical detection more accurate and rapid. However one of the challenges is the issue of reproducibility and standardization.
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As the size of the material decrease the surface area will have a greater influence on reactions but it also makes the sensor more sensitive to interfere. Therefore, addressing this issue is essential if we want to develop nanosensors for safe and standardized use in medicine.
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| 5 |
Which technique is commonly used to enhance the signal in nanotechnology-based electrochemical sensors?
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2. Enzyme labeling |
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Enzymes can accelerate chemical reactions that produce electrical signals such as electricity of electric potential.
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Enzymes Labeling is a technique of using enzymes to help amplify the signal in biological sensors especially nano electrochemical sensors.
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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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If the material is unsafe, it will cause side effects such as irritation, toxicity or immune response.
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In biomedical engineering the selection of materials with high biocompatible.
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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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They can detect the binding of molecules or chemical reactions directly through the change of electrical signals.
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The measurement of signal directly from the change of the electrochemical system when the target binds to receiver on the electrode surface.
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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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Nanotechnology sensors using electrochemical techniques are highly sensitive and can detect small molecules in very small quantities.
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The change can be measured directly which indicates the presence of biomaker.
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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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The lower the detection limit the faster the sensor.
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Detection limit the lowest value of the substance that the sensor can reliably detect.
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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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Helps doctors start treatment faster which increases the chances of recovery.
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Precision medicine uses biological and digital data to detect diseases and choose the right treatment for each person.
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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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Accelerometer help doctors see the patient’s movement trends continuously and real information from everyday life.
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Wearable health monitoring accelerometers are often embedded in wearable devices.
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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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Patient Reported Outcomes plays role in enhancing understanding to cover both medical perspectives and the patient’s feelings.
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Pro integration in oncology is used in clinical trials and symptom monitoring to comprehensively evaluate treatment effectiveness.
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| 13 |
What is one major advantage of real-time digital sensing in cancer treatment?
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3. Rapid detection of deterioration in patient condition |
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Sensors can collect information from the patient and forward it immediately to continuously asses the body condition without waiting for the next doctor seeing.
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Predictive analytics in oncology using AI to analyze real time data to predict the collapse of symptoms.
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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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Digital literacy, the ability to understand and use digital technology correctly.
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Implementation Science in health personal and system factors affect the success of use.
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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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Patient is a data user and direct beneficiary of digital care.
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User Centered Design the concept of developing technology by holding the user as the center so that the system meets the actual needs of patients and doctors.
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| 16 |
Digital sensing systems collect which combination of data types for cancer care optimization?
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2. Sensor metrics and patient-reported outcomes |
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Reduce the need for frequent hospital visits and help faster treatment before symptoms worsen.
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The quality life of patients has improved the digital sensors system able to be real time symptoms report.
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| 17 |
How do digital sensors contribute to improving the quality of life in cancer patients?
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3. By enabling symptom tracking and early intervention |
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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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| 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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1. Using a transducer made of non-conductive materials |
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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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