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کدام یک از مکانیسم‌های زیر در فرآیند ایجاد بافت‌های مهندسی‌شده، برای تحریک تمایز سلولی از طریق مکانیسم‌های فیزیکی و شیمیایی در داربست‌ها، به کار می‌رود؟
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Anonymous Quiz
الف) استفاده از داربست‌های هیدروژلی که قادر به ایجاد فشار هیدرواستاتیک هستند
ب) استفاده از داربست‌های سه‌بعدی با خواص الکترواتراکتیو
استفاده از داربست‌های گرافنی که قابلیت جذب و آزادسازی یون‌ها را دارند
استفاده از داربست‌های فلزی که خواص مکانیکی بالا دارند و به تحریک میکانیکی سلول‌ها می‌پردازند
The next bit isn’t clear, but Durov reportedly claimed that his resignation, dated March 21st, was an April Fools’ prank. TechCrunch implies that it was a matter of principle, but it’s hard to be clear on the wheres, whos and whys. Similarly, on April 17th, the Moscow Times quoted Durov as saying that he quit the company after being pressured to reveal account details about Ukrainians protesting the then-president Viktor Yanukovych. Telegram, which does little policing of its content, has also became a hub for Russian propaganda and misinformation. Many pro-Kremlin channels have become popular, alongside accounts of journalists and other independent observers. "The argument from Telegram is, 'You should trust us because we tell you that we're trustworthy,'" Maréchal said. "It's really in the eye of the beholder whether that's something you want to buy into." "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
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