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Amanita fuliginea is a well-known lethal poisonous mushroom that was originally described in Japan and is responsible for most of the fatal mushroom poisoning incidents in southern China. In this study, the concentrations of amatoxins and phallotoxins in A. fuliginea from different tissues, developmental stages and collection sites were evaluated by high-performance liquid chromatography (HPLC). High...
Lethal amanitas (Amanita sect. Phalloideae) are responsible for 90% of all fatal mushroom poisonings. Since 2000, more than ten new lethal Amanita species have been discovered and some of them had caused severe mushroom poisonings in China. However, the contents and distribution of cyclopeptides in these lethal mushrooms remain poorly known. In this study, the diversity of major cyclopeptide toxins...
The determination of antibiotics in biological samples is compromised by their interaction with proteins. It is showed here that the water resistant zeolite imidazolate framework 67 (ZIF-67) represents a useful sorbent for solid-phase extraction (SPE) of fluoroquinolones (FQs) from biological samples. ZIF-67 is unique in possessing permanent nanoscale porosity and a high surface area. As a result,...
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