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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
Right now the digital security needs of Russians and Ukrainians are very different, and they lead to very different caveats about how to mitigate the risks associated with using Telegram. For Ukrainians in Ukraine, whose physical safety is at risk because they are in a war zone, digital security is probably not their highest priority. They may value access to news and communication with their loved ones over making sure that all of their communications are encrypted in such a manner that they are indecipherable to Telegram, its employees, or governments with court orders. In view of this, the regulator has cautioned investors not to rely on such investment tips / advice received through social media platforms. It has also said investors should exercise utmost caution while taking investment decisions while dealing in the securities market. One thing that Telegram now offers to all users is the ability to “disappear” messages or set remote deletion deadlines. That enables users to have much more control over how long people can access what you’re sending them. Given that Russian law enforcement officials are reportedly (via Insider) stopping people in the street and demanding to read their text messages, this could be vital to protect individuals from reprisals. Some privacy experts say Telegram is not secure enough
from pl
