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💫 Петербургские студенты создали тест-полоски для определения токсичных веществ в продуктах

Валерия Шуракова, студентка 5-го курса химико-фармацевтического университета, вместе с коллегами разработала уникальную систему для выявления кумаринов в продуктах. Для использования нужно взять любой продукт, залить его водой на 30 секунд, опустить тест-полоску и подсветить ультрафиолетом — результат будет виден сразу.

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💫 Петербургские студенты создали тест-полоски для определения токсичных веществ в продуктах

Валерия Шуракова, студентка 5-го курса химико-фармацевтического университета, вместе с коллегами разработала уникальную систему для выявления кумаринов в продуктах. Для использования нужно взять любой продукт, залить его водой на 30 секунд, опустить тест-полоску и подсветить ультрафиолетом — результат будет виден сразу.

@agregiruem

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But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. The company maintains that it cannot act against individual or group chats, which are “private amongst their participants,” but it will respond to requests in relation to sticker sets, channels and bots which are publicly available. During the invasion of Ukraine, Pavel Durov has wrestled with this issue a lot more prominently than he has before. Channels like Donbass Insider and Bellum Acta, as reported by Foreign Policy, started pumping out pro-Russian propaganda as the invasion began. So much so that the Ukrainian National Security and Defense Council issued a statement labeling which accounts are Russian-backed. Ukrainian officials, in potential violation of the Geneva Convention, have shared imagery of dead and captured Russian soldiers on the platform. I want a secure messaging app, should I use Telegram? "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." "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Maréchal of the Washington advocacy group Ranking Digital Rights.
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