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پژوهشگران یک پوشش زیست‌الهام‌گرفته برای دستگاه‌های پزشکی مانند استنت‌ها و کاتترها طراحی کرده‌اند که از تشکیل لخته‌های خون جلوگیری می‌کند. 👩🏻‍💻🔬🩸📚

این پوشش از ساختار داخلی رگ‌های خونی تقلید کرده و با جذب پروتئین‌های پلاسما مانع فعال شدن آن‌ها در فرآیند انعقاد خون می‌شود. در آزمایش‌های پیش‌بالینی، این پوشش توانست زمان لخته شدن خون را به‌طور قابل‌توجهی افزایش دهد و می‌تواند جایگزین ایمن‌تری برای داروهای رقیق‌کننده خون باشد. این فناوری نوآورانه امید زیادی برای کاهش عوارض مرتبط با دستگاه‌های کاشتنی ایجاد کرده است.

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پژوهشگران یک پوشش زیست‌الهام‌گرفته برای دستگاه‌های پزشکی مانند استنت‌ها و کاتترها طراحی کرده‌اند که از تشکیل لخته‌های خون جلوگیری می‌کند. 👩🏻‍💻🔬🩸📚

این پوشش از ساختار داخلی رگ‌های خونی تقلید کرده و با جذب پروتئین‌های پلاسما مانع فعال شدن آن‌ها در فرآیند انعقاد خون می‌شود. در آزمایش‌های پیش‌بالینی، این پوشش توانست زمان لخته شدن خون را به‌طور قابل‌توجهی افزایش دهد و می‌تواند جایگزین ایمن‌تری برای داروهای رقیق‌کننده خون باشد. این فناوری نوآورانه امید زیادی برای کاهش عوارض مرتبط با دستگاه‌های کاشتنی ایجاد کرده است.

🌐 منبع خبر

🔍 @fatemehghasemibme 🌸🌱

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Telegram | DID YOU KNOW?

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On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm. Also in the latest update is the ability for users to create a unique @username from the Settings page, providing others with an easy way to contact them via Search or their t.me/username link without sharing their phone number. Overall, extreme levels of fear in the market seems to have morphed into something more resembling concern. For example, the Cboe Volatility Index fell from its 2022 peak of 36, which it hit Monday, to around 30 on Friday, a sign of easing tensions. Meanwhile, while the price of WTI crude oil slipped from Sunday’s multiyear high $130 of barrel to $109 a pop. Markets have been expecting heavy restrictions on Russian oil, some of which the U.S. has already imposed, and that would reduce the global supply and bring about even more burdensome inflation. Channels are not fully encrypted, end-to-end. All communications on a Telegram channel can be seen by anyone on the channel and are also visible to Telegram. Telegram may be asked by a government to hand over the communications from a channel. Telegram has a history of standing up to Russian government requests for data, but how comfortable you are relying on that history to predict future behavior is up to you. Because Telegram has this data, it may also be stolen by hackers or leaked by an internal employee.
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