نتایج جستجو برای: lycopodium particle
تعداد نتایج: 174853 فیلتر نتایج به سال:
Sporopollenin exine capsules (SECs) extracted from Lycopodium clavatum spores are an attractive biomaterial possessing a highly robust structure suitable for microencapsulation strategies. Despite several decades of research into SEC extraction methods, the protocols commonly used for L. clavatum still entail processing with both alkaline and acidolysis steps at temperatures up to 180 °C and la...
Electrostatic phenomena are known to enhance both wind- and insect-mediated pollination, but have not yet been described for nectar-feeding vertebrates. Here we demonstrate that wild Anna's Hummingbirds (Calypte anna) can carry positive charges up to 800 pC while in flight (mean ± s.d.: 66 ± 129 pC). Triboelectric charging obtained by rubbing an isolated hummingbird wing against various plant s...
Plant remedies, despite their innocuity reputation, are implicated in adverse events. The present review focuses on 30 popular herbs which are associated with severe and sometimes fatal hepatotoxicity: Actaea racemosa, Aloe barbadensis, Atractylis gummifera, Callilepsis laureola, Camellia sinensis, Centella asiatica, Chelidonium majus, Ephedra sinica, Garcinia cambogia, Hypericum perforatum, La...
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