| 1 |
ข้อความ |
What are the major types of cardiovascular diseases (CVD) discussed in the article? |
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| 2 |
ข้อความ |
Which biomaterial is noted for its shape memory effect and is commonly used in stents? |
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| 3 |
ข้อความ |
What is the primary benefit of using biodegradable stents over traditional metal stents? |
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| 4 |
ข้อความ |
What is the main drawback of biodegradable polymer stents like PLA/PGA? |
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| 5 |
ข้อความ |
Which type of biomaterial is preferred for its biocompatibility in cardiovascular applications? |
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| 6 |
ข้อความ |
A memory alloy stent is designed to return to its original shape at a specific temperature. If the stent's high-temperature phase transition occurs at 50°C, what is the transition point in Fahrenheit? |
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| 7 |
ข้อความ |
A biodegradable stent degrades at a rate of 7% per month. If the initial mass of the stent is 120g, what will be the mass of the stent after 4 months? |
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| 8 |
ข้อความ |
A memory alloy stent is compressed at room temperature (25°C) and then expands to its original shape at body temperature (37°C). If the specific heat capacity of the alloy is 0.45 J/g°C and the mass of the stent is 60g, what is the amount of heat required? |
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| 9 |
ข้อความ |
If a vascular graft needs to be placed in an artery with a diameter of 4mm and the graft expands to 1.8 times its original diameter, what is the final diameter of the graft? |
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| 10 |
ข้อความ |
A polymeric biomaterial degrades at a rate proportional to its remaining mass. If the initial mass is 150g and it degrades to 105g in one month, what is the decay constant kkk assuming first-order kinetics? |
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| 11 |
ข้อความ |
What are the main benefits of using nanomaterials in wound healing? |
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| 12 |
ข้อความ |
Which nanomaterial is noted for its excellent antibacterial activity and ability to promote wound healing? |
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| 13 |
ข้อความ |
What are the main challenges associated with nanomaterials in wound healing? |
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| 14 |
ข้อความ |
What is the role of gold nanoparticles in wound healing, as mentioned in the article? |
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| 15 |
ข้อความ |
What property of nanomaterials allows them to interact effectively with biological processes at the cellular and molecular levels? |
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| 16 |
ข้อความ |
A wound dressing containing silver nanoparticles (AgNPs) is applied to a wound. If the silver nanoparticles release ions at a rate of 0.5 mg/day and the total mass of AgNPs in the dressing is 10 mg, how many days will the dressing be effective in releasing silver ions? |
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| 17 |
ข้อความ |
Gold nanoparticles (AuNPs) are used in a wound dressing for their anti-inflammatory properties. If the specific heat capacity of AuNPs is 0.129 J/g°C, and the mass of the nanoparticles in the dressing is 5 g, how much heat is required to raise the temperature of the nanoparticles from 25°C to 37°C? |
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| 18 |
ข้อความ |
A polymeric nanomaterial degrades at a rate proportional to its remaining mass. If the initial mass is 50g and it degrades to 35g in one month, what is the decay constant 𝑘 assuming first-order kinetics? |
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| 19 |
ข้อความ |
If a wound healing hydrogel releases a drug at a constant rate of 2 mg/hour and the initial drug content is 100 mg, how long will the hydrogel provide the drug release? |
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| 20 |
ข้อความ |
A zinc oxide nanoparticle (ZnO NP) solution has a concentration of 0.5 g/L. If you have 2 liters of this solution, how many grams of ZnO NPs are present in the solution? |
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