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In toxicity tests against insects and also molecules identification, I would like to know how to prepare aqueous extraction and analyze obtained extracts without altering chemical composition of...
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When we do a bioassay or something else we always choose a certain number of repetions but is it possible to omit this parameter ie working without repetition or this choice will affect negatively...
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To prepare plant extracts from leaves, fruits or the whole plant, what's the best time for collecting (morning, miday, ......etc)?
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I work on the toxicity of Euphorbiae sp against Blattella germanica using terpenes and I need to know if petroleum ether can help me to extract them.
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