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Impact of composition and morphology on the optical properties of Si-NC/P3HT th...
Rodrigues, F. D.; Cunha, Mara; Hilliou, L.; Rino, L.; Correia, M. R.; Busani, T.; Bernardo, Gabriel; Wiggers, H.; Filonovich, Sergey; Pereira, R. N.Blends of Si nanocrystals (Si-NCs) and organic semiconductors are promising materials for new optical and electronic devices processed from solutions. Here, we study how the optical properties of composite films containing Si-NCs and the organic semiconductor poly(3-hexylthiophene) (P3HT) are influenced by the composition and morphology resulting from different solution-processing parameters and different solve...
Viral etiology of acute respiratory infections among children in Porto Alegre, ...
Straliotto,Selir M.; Siqueira,Marilda M.; Muller,Rafael L.; Fischer,Gilberto B.; Cunha,Mara L.T.; Nestor,Sandra M.Although acute respiratory infections (ARIs) are a major cause of child morbidity and mortality in Southern Brazil, little information is available on their seasonality and viral etiology. This study was conducted on children under 5 years of age with ARI to assess viral etiology in the State of Rio Grande do Sul, from 1990 to 1992. A total of 862 nasopharyngeal secretion (NPS) samples were tested using indirec...
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