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Mostrando 25-36 de 947 artigos, teses e dissertações.
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25. A survey of parabens in commercial baby wipes from Brazil and estimation of daily exposure
Several studies have shown endocrine-disrupting effects of parabens. Parabens are a group of antimicrobials used as preservatives in a wide variety of products, mainly in personal care products. However, little information is available regarding the occurrence of parabens in baby products. In this study, the concentrations of five commonly used parabens, met
Quím. Nova. Publicado em: 2020-04
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26. Development of a dehydrated product with edible film characteristics from mammee apple (Mammea americana L.) using Refractance Window drying
Abstract The Mammee apple (Mammea americana L.) is a widely grown fruit, popular in tropical areas, which is mainly consumed fresh. Refractance Window (RW) drying is used to produce food films, flakes, and powders, and may be an alternative to commercially used dry food production methods. The aim of this study was to obtain a dehydrated product from the pul
Food Sci. Technol. Publicado em: 2020-03
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27. Foreign direct investment in developing economies A study on the productivity spillover effects in Latin America
Abstract Purpose The aim of this study was to investigate how the productivity spillover effects of foreign direct investment (FDI) in the Latin American economies are manifested. Specifically, the paper sought to identify the role of foreign presence and government intervention through an industrial policy on total factor productivity in Latin American cou
RAUSP Manag. J.. Publicado em: 2020-03
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28. Best videos of the year for 2019
The aims of the current study are to investigate the composition of biomass from baru processing and to explore the feasibility of valuing it through the development of bioproducts such as fermentable sugars, furanics and biochar. Baru (Dipteryx alata Vog.) waste (endocarp and mesocarp) has great energetic potential to produce bioproducts due to its chemical
Int. braz j urol.. Publicado em: 2020-02
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29. Sustainability of Biorefinery Processes Based on Baru Biomass Waste
The aims of the current study are to investigate the composition of biomass from baru processing and to explore the feasibility of valuing it through the development of bioproducts such as fermentable sugars, furanics and biochar. Baru (Dipteryx alata Vog.) waste (endocarp and mesocarp) has great energetic potential to produce bioproducts due to its chemical
J. Braz. Chem. Soc.. Publicado em: 2020-02
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30. GC-MS-Based Metabolomic Profiles Combined with Chemometric Tools and Cytotoxic Activities of Non-Polar Leaf Extracts of Spondias mombin L. and Spondias tuberosa Arr. Cam.
Agroindustrial residues, such as leaves of fruit plants, can be sources of bioactive molecules, thus adding value to co-products that are rarely explored in agroindustry. In this context, this study aimed to look into the phytochemical profiles in detail and to explore the antitumor potential of S. tuberosa and S. mombin leaves. We observed that, S. tuberosa
J. Braz. Chem. Soc.. Publicado em: 2020-02
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31. Os livros didáticos da perspectiva da sociologia do conhecimento: uma proposição teórico-metodológica
Resumo: Este artigo propõe uma abordagem dos livros didáticos inspirando-se nos pressupostos da sociologia configuracional e nas questões da sociologia do conhecimento. A abordagem se aplica a pesquisas sobre disciplinas escolares que tomam como unidade empírica um conjunto limitado de livros. Primeiro, apresentamos a definição das operações necessá
Rev. Bras. Hist. Educ.. Publicado em: 17/01/2020
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32. Uses of wild vertebrates in traditional medicine by farmers in the region surrounding the Serra do Conduru State Park (Bahia, Brazil)
Resumo: Animais silvestres, domésticos e seus subprodutos são ingredientes importantes na preparação de medicamentos tradicionalmente utilizados na medicina popular, presentes em várias culturas humanas desde a antiguidade. No entanto, a diminuição do número de espécies nas regiões neotropicais, por meio da caça para diversas finalidades, como uso
Biota Neotrop.. Publicado em: 10/01/2020
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33. Concomitant Production of Hydrogen, Sodium Acetate, and Polymerized Species from Non-Catalytic Ethanol Dehydrogenation
A detailed study of the production of hydrogen and high added-value liquid products from the ethanol dehydrogenation reaction in the presence of sodium hydroxide (10% m m-1) was undertaken. Experiments were carried out in a batch reactor under different reaction conditions (temperature of 240 ºC and autogenous pressure between 45 and 72 bar), with analysis
J. Braz. Chem. Soc.. Publicado em: 2020-01
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34. Quality of pasta made of cassava, peach palm and golden linseed flours
Abstract The possibility of industrially producing new types of pastas based on other types of flour than wheat has raised interest for enabling the use of widely available materials and providing adequate products to persons with celiac disease. A mixture design was developed with the purpose of preparing a gluten-free dry using cassava starch, peach palm m
Food Sci. Technol. Publicado em: 13/12/2019
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35. Characterization of the Brazilian vegetable brassicas production chain
RESUMO As brássicas em todo o mundo fornecem a maior diversidade de produtos usados pelo homem derivados de um único gênero. Coletivamente, hortaliças folhosas, de flores e raízes podem ser consumidas frescas, cozidas e processadas. A produção dessas hortaliças no Brasil vem crescendo exponencialmente nas últimas décadas, devido à sua importância
Hortic. Bras.. Publicado em: 09/12/2019
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36. Silicon application as an auxiliary method to control diamondback moth in cabbage plants
RESUMO Entre as estratégias de Manejo Integrado de Pragas (MIP) estão os fatores que induzem a resistência da planta hospedeira. A adubação mineral com silício pode aumentar a resistência de plantas ao ataque de pragas. Este trabalho teve como objetivo avaliar o potencial da aplicação de silício no controle da traça-das-crucíferas (TDC), Plutella
Hortic. Bras.. Publicado em: 09/12/2019