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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.
💫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.
Investors took profits on Friday while they could ahead of the weekend, explained Tom Essaye, founder of Sevens Report Research. Saturday and Sunday could easily bring unfortunate news on the war front—and traders would rather be able to sell any recent winnings at Friday’s earlier prices than wait for a potentially lower price at Monday’s open. Stocks dropped on Friday afternoon, as gains made earlier in the day on hopes for diplomatic progress between Russia and Ukraine turned to losses. Technology stocks were hit particularly hard by higher bond yields. But the Ukraine Crisis Media Center's Tsekhanovska points out that communications are often down in zones most affected by the war, making this sort of cross-referencing a luxury many cannot afford. In addition, Telegram now supports the use of third-party streaming tools like OBS Studio and XSplit to broadcast live video, allowing users to add overlays and multi-screen layouts for a more professional look. 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.
from ua
