Strategies With Derivatives
Mostrando 1-12 de 48 artigos, teses e dissertações.
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1. STABILIZATION STUDY OF TETRAMERIC Kluyveromyces lactis β-GALACTOSIDASE BY IMMOBILIZATION ON IMMOBEAD: THERMAL, PHYSICO-CHEMICAL, TEXTURAL AND CATALYTIC PROPERTIES
Abstract We investigated the immobilization of a tetrameric Kluyveromyces lactis β-galactosidase (EC: 3.2.1.23) (KL-Gal) on Immobead 150 using different support modification strategies. Immobead support was modified using an acid solution of H2SO4:HNO3 (3:1) (Immobead-Ac) or 5 % (v/v) glutaraldehyde (Immobead-Glu). Its unmodified form (Immobead) was also te
Braz. J. Chem. Eng.. Publicado em: 13/01/2020
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2. Different Strategies to Anchor Organotin Methoxides on Silica and Their (Re)Use as Heterogeneous Catalysts for Transesterification Reactions
Catalysts were prepared by the heterogenization of the tributyltin(IV) methoxide (n-Bu3Sn(OMe)) and dibutyltin(IV) dimethoxide (n-Bu2Sn(OMe)2) on silica by two strategies: (i) anchoring of the organotin(IV) compounds on silica and (ii) anchoring of the organotin(IV) compounds on a silica gel functionalized with mercaptopropyl groups (SiO2–SH). The characte
J. Braz. Chem. Soc.. Publicado em: 16/09/2019
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3. Desafios e estratégias para doação de sangue e autossuficiência sob perspectivas regionais da Espanha e do Brasil
Resumo Introdução O sangue, seus componentes e derivados são imprescindíveis para o funcionamento da atenção hematológica e transfusional nos sistemas de saúde modernos. Objetivo Identificar algumas das dificuldades, dos desafios e das estratégias que os serviços de hemoterapia públicos experimentam no momento atual, a partir de perspectivas reg
Cad. saúde colet.. Publicado em: 10/07/2019
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4. The potential contribution of the natural products from Brazilian biodiversity to bioeconomy
ABSTRACT The development of our society has been based on the use of biodiversity, especially for medicines and nutrition. Brazil is the nation with the largest biodiversity in the world accounting for more than 15% of all living species. The devastation of biodiversity in Brazil is critical and may not only cause the loss of species and genes that encode en
An. Acad. Bras. Ciênc.. Publicado em: 16/04/2018
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5. Strategies for Molecular Diversification of 2-[Aminoalkyl-(1H-1,2,3-triazol-1- yl)]-1,4-naphthoquinones Using Click Chemistry
Click chemistry-based strategies for the synthesis of 2-amino-alkyl-1,2,3-triazole-1,4-naphthoquinone derivatives make it possible to obtain desired products from 1,4-naphthoquinone (1,4-NQ), and bio-based lawsone, nor-lapachol and lapachol. The first route (Strategy A) starting from 1,4-NQ and amino alcohols, then 2-amino-alkyl-1,4-NQ alcohols, were tosylat
J. Braz. Chem. Soc.. Publicado em: 2017-04
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6. MIXED EQUILIBRIUM IN 2 × 2 NORMAL FORM GAMES: WHEN BURNING MONEY IS RATIONAL
ABSTRACT We discuss the rationality of burning money behavior from a new perspective: the mixed Nash equilibrium in 2 × 2 normal form games. We support our argument analyzing the first-order derivatives of the players' mixed equilibrium expected utility payoffs with respect to their own utility payoffs. We establish necessary and sufficient conditions that
Pesqui. Oper.. Publicado em: 2016-04
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7. Antimicrobial mouthrinse use as an adjunct method in peri-implant biofilm control
Great possibilities for oral rehabilitation emerged as a result of scientific consolidation, as well as a large number of dental implant applications. Along with implants appeared diseases such as mucositis and peri-implantitis, requiring management through several strategies applied at different stages. Biofilm accumulation is associated with clinical signs
Braz. oral res.. Publicado em: 2014
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8. Triagem de suportes orgânicos e protocolos de ativação na imobilização e estabilização de lipase de Thermomyces lanuginosus
Lipase from Thermomyces lanuginosus was covalently immobilized on activated poly-hydroxybutyrate, sugarcane bagasse and the chemically modified hybrid hydrogel chitosan-alginate prepared by different strategies. Among the tested supports, chitosan-alginate chemically modified with 2,4,6-trinitrobenzenesulfonic acid rendered derivatives with the highest hydro
Quím. Nova. Publicado em: 2013
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9. Critical evaluation of justifications for the transfusion of red blood cells: the reality of a government emergency hospital
BACKGROUND: Blood products and derivatives are indispensable resources in medical therapies. However, it is important to note that the number of donations is far from ideal. Despite constant campaign efforts, a deficit of 1 million units is expected by 2030. OBJECTIVES: To determine the adequacy of the indications for red blood cell transfusion in an eme
Rev. Bras. Hematol. Hemoter.. Publicado em: 2013
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10. New approaches in antimalarial drug discovery and development: a review
Malaria remains a major world health problem following the emergence and spread of Plasmodium falciparum that is resistant to the majority of antimalarial drugs. This problem has since been aggravated by a decreased sensitivity of Plasmodium vivax to chloroquine. This review discusses strategies for evaluating the antimalarial activity of new compounds in vi
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-11
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11. Análise da eficiência dos derivativos agropecuários na gestão da variabilidade de preços
Brazilian agribusiness has been showing significant quantitative and qualitative advances, occupying a prominent position in the Brazilian economy and international trade. However, this new reality introduces the process of pricing, new macroeconomic variables that influence the negotiating arrangements and increases price variability, requiring the farmer t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
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12. GENETIC-NEURAL MODEL FOR PORTFOLIO OPTIMIZATION WITH FINANCIAL OPTIONS IN THE BRAZILIAN MARKET / MODELO GENÉTICO-NEURAL PARA OTIMIZAÇÃO DE CARTEIRAS COM OPÇÕES FINANCEIRAS NO MERCADO BRASILEIRO
This dissertation develops an intelligent, quantitative and probabilistic model to determine an optimal composition of a portfolio consisting of a financial asset and options over this asset. Initially we studied the characteristics of the historical distribution of returns and volatility of the most liquid stocks from the BOVESPA Stock Exchange, from Januar
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/02/2011