986 resultados para Moibanus, Ambrosius, 1494-1554.


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Includes bibliographical references.

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Mode of access: Internet.

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Mode of access: Internet.

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Biological aspects of Leucothyreus ambrosius Blanchard (Coleoptera, Melolonthidae, Rutelinae). Coleopterans of the family Melolonthidae comprise a large group of species that feed on different food sources, including plant roots, stems, and leaves, in addition to plant materials at different decomposition stages. Several species are found in the genus Leucothyreus, occurring in different regions of Brazil, including the various biomes in the country. Information on the biology of species of the genus Leucothyreus is scarce, therefore, we conducted studies on the biological aspects of Leucothyreus ambrosius Blanchard, 1850. The period of adult occurrence was determined with a light trap installed between a cropped and pasture area in the municipality of Aquidauana, Mato Grosso do Sul State, Brazil. Adults collected in the field were used to form insect pairs and the studies were initiated in the entomology laboratory as the adults began ovipositing. Adults were observed flying in the field from October to December. Eggs were obtained as pairs were formed and a colony was established, the embryonic period lasting 14.6 days on average. The larval period in the 1st instar lasted 21.6 days, in the 2nd instar 19.6 days, and in the 3rd instar, 85.6 days. The head capsule width was 1.48 mm in the 1st instar, 2.44 mm in the 2nd, and 3.83 mm in 3rd larval instar. The pupal stage had an average duration of 35.5 days. The egg to adult period lasted 173.3 days. Morphometric information for the larval and adult stages is presented in this study.

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Zusammenfassung: Kirchliche Praktiken und der nationale Wohlstand : die Auffassung Richard Hookers (1554-1600) über das Wesen und die Bedeutung der Kirchenordnung Elisabeth I

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Contient : Lettre de Louis, duc d'Orléans [Louis XII] sur la mort de Jean Galéas, duc de Milan (1497) ; copie du temps

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OBJECTIVES: The pharmacokinetic (PK) parameters of artesunate, recently discovered to possess promising trematocidal activity, and its main metabolite dihydroartemisinin (DHA) were determined in rats infected with hepatic and biliary stages of Fasciola hepatica and compared with uninfected rats after single intragastric and intravenous (iv) doses. METHODS: Rats infected with F. hepatica for 25 and 83 days and uninfected rats were cannulated in the right jugular vein and blood samples were withdrawn at selected timepoints following 10 mg/kg of iv and a single 100 mg/kg oral dose of artesunate. Plasma was analysed for artesunate and DHA by liquid chromatography coupled to tandem mass spectrometry. RESULTS: Rats harbouring juvenile and adult F. hepatica infections revealed considerable changes in PK parameters of artesunate and DHA. Following oral administration, maximum plasma concentrations (C(max)) of artesunate and DHA were 1.8-2.3-fold higher in infected rats [artesunate: 1334 +/- 1404 ng/mL (no infection) versus 2454 +/- 1494 ng/mL (acute infection) and 2768 +/- 538 ng/mL (chronic infection); DHA: 3802 +/- 2149 ng/mL (no infection) versus 6507 +/- 3283 ng/mL (acute infection) and 9093 +/- 884 ng/mL (chronic infection)]. The AUCs of artesunate and DHA were 2.1-4.4-fold greater in infected rats. An opposite trend was observed after iv injection. C(max) and AUC of artesunate and DHA following iv dosing were 5784 +/- 3718 and 140 938 +/- 128 783 ng.min/mL and 3849 +/- 3060 and 86 107 +/- 41 863 ng.min/mL, respectively, in uninfected rats versus 2623 +/- 1554 and 21 617 +/- 12 230 ng.min/mL and 2835 +/- 980 and 64 290 +/- 29 057 ng.min/mL, respectively, in rats harbouring a chronic infection. The elimination half-lives (t(1/2)) of artesunate and DHA were considerably altered in infected rats following oral and iv administration of artesunate. CONCLUSIONS: F. hepatica infections strongly influence the disposition kinetics of artesunate and its metabolite in rats. The clinical implications of this finding need to be carefully studied.

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Collection : Archives de la linguistique française ; 169

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La nota vol donar a conèixer l’exemplar de les Transformacions ovidianes, en versió de Francesc Alegre, custodiat a “La Casa del Libro”, museu instal·lat a San Juan de Puerto Rico.