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Guar gum, a plant colloid, costs less than agar and is better suited for growing thermophilic bacteria, but is also more difficult to handle, being more viscous and less transparent. The bacterial polysaccharide xanthan is cheaper as well but forms weaker jellies that, as with carrageenan, might result in puncturing its surface. Other colloids, like alginate (from brown seaweed) and gellan gum (from a bacterium), don’t set solely based on temperature and require additives for gelation. These additives might interfere with microbial growth and make the preparation of those jellies less handy than agar plates.
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Страны Европейского союза пытались помешать пролету самолета спецпредставителя президента РФ Кирилла Дмитриева, которого также называют ключевым российским переговорщиком. Он направлялся в Москву после завершения переговоров в Женеве, рассказал РИА Новости источник в дипломатических кругах.
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The use of the slur as part of a Google News alert was initially posted about on Instagram by online creator Danny Price, who on Monday expressed his outrage at the incident.
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