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Bioethanol production from hydrothermal pretreated wheat straw by a flocculatin...
Ruíz, Héctor A.; Silva, Daniel P.; Ruzene, Denise S.; Lima, Luís; Vicente, A. A.; Teixeira, J. A.Wheat straw is nowadays being considered a potential lignocellulose raw material for fuel ethanol production of second generation and as an alternative to conventional fuel ethanol production from cereal crops. In the present study, hydrothermal pretreated wheat straw with high cellulose content (>60%) at 180 °C for 30 min was used as substrate in simultaneous saccharification and fermentation (SSF) process for...
Development and characterization of an environmentallyfriendly process sequence...
Ruiz, Héctor A.; Ruzene, Denise S.; Silva, Daniel P.; Silva, Fernando F. Macieira da; Vicente, A. A.; Teixeira, J. A.The present work describes the delignification of wheat straw through an environmentally friendly process resulting from sequential application of autohydrolysis and organosolv processes. Wheat straw autohydrolysis was performed at 180°C during 30 min with a liquid–solid ratio of 10 (v/w); under these conditions, a solubilization of 44% of the original xylan, with 78% of sugars as xylooligosaccharides of the su...
Diarréia em bezerros da raça Nelore criados extensivamente: estudo clínico e et...
Oliveira Filho,José P.; Silva,Daniel P.G.; Pacheco,Marcelo D.; Mascarini,Luciene M.; Ribeiro,Marcio G.; Alfieri,Amauri A.; Alfieri,Alice F.A diarréia é considerada uma das principais causas de morbidade e mortalidade de bezerros neonatos. Foram colhidas 100 amostras fecais diarréicas e 30 amostras não diarréicas (grupo controle), de bezerros Nelore com até nove semanas de idade com o objetivo de detectar os enteropatógenos Salmonella spp., Escherichia coli, rotavírus, coronavírus, Cryptosporidium spp. e ovos de helmintos. Enteropatógenos foram det...
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