O cultivo da beterraba para produção de álcool ou forragem na região sul do Brasil.

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Rentabilidade fisica e econômica de inseticidas para pulgões safra de trigo de 1977.

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Respostas a tecnologias de trigo nos anos de 1981 e 1982.

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Diversificação de culturas de inverno na região tritícola do sul do Brasil.

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In-peptide synthesis of di-oxazolidinone and dehydroamino acid-oxazolidinone motifs as \u3b2-turn inducers

Small and easy-to-do mimetics of \u3b2-turns are of great interest to interfere with protein-protein recognition events mediated by \u3b2-turn recognition motifs. We propose a straightforward procedure for constraining the conformation of tetrapeptides lacking a pre-formed scaffold. According to the stereochemistry array, N-Ts tetrapeptides including Thr or PhSer (phenylserine) at the positions 2 or 3 gave rise in a single step to the sequences Oxd 2-Oxd3 or \u394Abu2-Oxd3 (Oxd, oxazolidin-2-one; \u394Abu, 2,3-dehydro-2-aminobutyric). These pseudo-Pro residues displayed highly constrained, and \u3c7 dihedral angles, and induced clear \u3b2-turns or inverse turns of type I or II, as determined by extensive spectroscopic and computational analyses. \ua9 The Royal Society of Chemistry 2013

Allergic anaphylactic risk in farming activities: A systematic review

Allergic disorders in the agriculture sector are very common among farm workers, causing many injuries and occupational diseases every year. Agricultural employees are exposed to multiple conditions and various allergenic substances, which could be related to onset of anaphylactic reactions. This systematic review highlights the main clinical manifestation, the allergens that are mostly involved and the main activities that are usually involved. This research includes articles published on the major databases (PubMed, Cochrane Library, Scopus), using a combination of keywords. The online search yielded 489 references; after selection, by the authors, 36 articles (nine reviews and 27 original articles) were analyzed. From this analysis, the main clinical problems that were diagnosed in this category were respiratory (ranging from rhinitis to asthma) and dermatological (eczema, dermatitis, hives) in nature, with a wide symptomatology (from a simple local reaction to anaphylaxis). The main activities associated with these allergic conditions are harvesting or cultivation of fruit and cereals, beekeepers and people working in greenhouses. Finally, in addition to the allergens already known, new ones have emerged, including triticale, wine, spider and biological dust. For these reasons, in the agricultural sector, research needs to be amplified, considering new sectors, new technologies and new products, and ensuring a system of prevention to reduce this risk.peer-reviewe

Avaliação do uso de tecnologias em lavouras de trigo na macrorregião da EMATER de Santa Maria - RS, 1981.

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