Efeito de doses crescentes de molibdênio, via foliar, sobre diferentes caracteres agronômicos em feijão-caupi.

O feijão-caupi é uma cultura de muita importância para a Região Nordeste do Brasil. É a principal fonte de proteína das populações mais carentes. No Estado do Piauí, quase sempre é cultivado com pouca ou nenhuma tecnologia, notadamente no que diz respeito à adubação, por ser um item que eleva custos. Nesta pesquisa, foi avaliada a resposta do feijão-caupi, cultivar BRS Guariba, sob sequeiro no período de março a junho de 2005, na estação experimental da Embrapa Meio-Norte, a cinco doses de molibdênio (0, 30, 60, 90, 120 g Mo/ha), aplicadas via foliar. O objetivo do trabalho foi verificar a resposta da cultura a este micronutriente, importante tanto nas reações enzimáticas da planta quanto na simbiose. Adotou-se o delineamento blocos casualizados, com cinco tratamentos e quatro repetições. As características avaliadas foram o stand, a produtividade de graõs, o peso de 100 sementes, número de grãos por planta, número de vagens por planta e comprimento de vagem. Não foram observadas respostas significativas às doses crescentes de molibdênio em nenhuma das características avaliadas

Genetics and telemetry indicate unexpected movements among structured populations for Brachyplatystoma platynemum in the Amazon

The genetic analysis of Brachyplatystoma platynemum individuals sampled from the lower Madeira River reinforces the existence of two structured populations in the Amazon Basin (Madeira and Amazon populations). However, the recapture of an individual from the Amazon population in the Solimões River, which was telemetry‐tagged in the Madeira River after the damming, indicates that fish from the Amazon population move between the two river systems. This has not been observed, however, in the Madeira River population, which is currently divided and isolated in the lower and upper Madeira River by the construction of two dams

Crystal structures and Hirshfeld surface analyses of (E)-N′-benzylidene-2-oxo-2H-chromene-3-carbohydrazide and the disordered hemi-DMSO solvate of (E)-2-oxo-N′-(3,4,5-trimethoxybenzylidene)-2H-chromene-3-carbohydrazide: lattice energy and intermolecular interaction energy calculations for the former

The crystal structures of the disordered hemi-DMSO solvate of (E)-2-oxo-N'-(3,4,5-tri-meth-oxy-benzyl-idene)-2H-chromene-3-carbohydrazide, C20H18N2O6·0.5C2H6OS, and (E)-N'-benzyl-idene-2-oxo-2H-chromene-3-carbohydrazide, C17H12N2O3 (4: R = C6H5), are discussed. The non-hydrogen atoms in compound [4: R = (3,4,5-MeO)3C6H2)] exhibit a distinct curvature, while those in compound, (4: R = C6H5), are essential coplanar. In (4: R = C6H5), C-H⋯O and π-π intra-molecular inter-actions combine to form a three-dimensional array. A three-dimensional array is also found for the hemi-DMSO solvate of [4: R = (3,4,5-MeO)3C6H2], in which the mol-ecules of coumarin are linked by C-H⋯O and C-H⋯π inter-actions, and form tubes into which the DMSO mol-ecules are cocooned. Hirshfeld surface analyses of both compounds are reported, as are the lattice energy and inter-molecular inter-action energy calculations of compound (4: R = C6H5).info:eu-repo/semantics/publishedVersio

Pressure and Flow Properties of Cannulae for Extracorporeal Membrane Oxygenation II: Drainage (Venous) Cannulae

The use of extracorporeal life support devices such as extracorporeal membrane oxygenation in adults requires cannulation of the patient's vessels with comparatively large diameter cannulae to allow circulation of large volumes of blood (>5 L/min). The cannula diameter and length are the major determinants for extracorporeal membrane oxygenation flow. Manufacturing companies present pressure-flow charts for the cannulae; however, these tests are performed with water. Aims of this study were 1. to investigate the specified pressure-flow charts obtained when using human blood as the circulating medium and 2. to support extracorporeal membrane oxygenation providers with pressure-flow data for correct choice of the cannula to reach an optimal flow with optimal hydrodynamic performance. Eighteen extracorporeal membrane oxygenation drainage cannulae, donated by the manufacturers (n = 6), were studied in a centrifugal pump driven mock loop. Pressure-flow properties and cannula features were described. The results showed that when blood with a hematocrit of 27% was used, the drainage pressure was consistently higher for a given flow (range 10%-350%) than when water was used (data from each respective manufacturer's product information). It is concluded that the information provided by manufacturers in line with regulatory guidelines does not correspond to clinical performance and therefore may not provide the best guidance for clinicians.info:eu-repo/semantics/publishedVersio

Avaliação do ciclo de vida de rotas para extração de colágeno da pele de tilápia.

Este trabalho avaliou os impactos ambientais do ciclo de vida de duas rotas alternativas para extração de colágeno a partir da pele de tilápia em escala laboratorial: ácido-solúvel e pepsina-solúvel. Investigaram-se oportunidades de melhoria no desempenho ambiental dessas rotas. Utilizouse a metodologia da Avaliação do Ciclo de Vida (ACV), considerando impactos nas mudanças climáticas, toxicidade humana cancerígena e não cancerígena, acidificação, eutrofização marinha e de água doce, ecotoxicidade de água doce e escassez hídrica.bitstream/item/222895/1/BP-213.pd

Pleosporales

One hundred and five generic types of Pleosporales are described and illustrated. A brief introduction and detailed history with short notes on morphology, molecular phylogeny as well as a general conclusion of each genus are provided. For those genera where the type or a representative specimen is unavailable, a brief note is given. Altogether 174 genera of Pleosporales are treated. Phaeotrichaceae as well as Kriegeriella, Zeuctomorpha and Muroia are excluded from Pleosporales. Based on the multigene phylogenetic analysis, the suborder Massarineae is emended to accommodate five families, viz. Lentitheciaceae, Massarinaceae, Montagnulaceae, Morosphaeriaceae and Trematosphaeriaceae