Nitrogen Compounds
Mostrando 13-24 de 638 artigos, teses e dissertações.
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13. Synthesis, characterization and antimicrobial activity of Cr (III), Co (II) and Ni (II) complexes with 2-thiazoline-2-tiol derivative ligands against bacteria and yeasts of clinical importance
Abstract: Four novel Cr (III), Co (II) and Ni (II) complexes with 2-thiazoline-2-tiol derivative ligands were synthesized and characterized using elemental, physiochemical, and spectroscopy analytical methods. The results showed the formation of ligands coordinated by sulfur atoms of the C = S bond to the L1 ligand and by the sulfur atom of the C-S bond and/
An. Acad. Bras. Ciênc.. Publicado em: 28/11/2019
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14. Phenolic content and antioxidant activity of parts of Passiflora edulis as a function of plant developmental stage
ABSTRACT Passiflora edulis Sims var. flavicarpa O. Deg. (Yellow-passion fruit) is the native plant species most used by juice industries in Brazil while its leaf extracts are widely employed in folk medicine. This study evaluated the phenolic content of leaves, roots, fruit shells and pulp of plants of P. edulis in juvenile, flowering and fruiting stages. Th
Acta Bot. Bras.. Publicado em: 11/11/2019
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15. Methodology for minimum nitrogen compounds removal efficiencies estimation and wastewater treatment systems pre-selection: a watershed approach
RESUMO O nitrogênio constitui importante parâmetro para o controle da poluição hídrica, uma vez que a nitrificação produz consumo de oxigênio do ambiente aquático, além da toxicidade associada à algumas formas de nitrogênio. Este estudo estabeleceu e empregou modelo de otimização visando a determinação simultânea de eficiências mínimas de
RBRH. Publicado em: 17/10/2019
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16. CO-TREATMENT OF LEACHATE AND DOMESTIC SEWAGE AND ITS INFLUENCE ON NITROGEN REMOVAL
Abstract This research investigated the performance of two pilot-scale treatment plants: an activated sludge and a hybrid model type IFAS (Integrated Fixed-Film Activated Sludge), combining sanitary landfill leachate with domestic sewage treatment with the objective of removing organic substances. In order to assess the possible impacts on the treatment, thr
Braz. J. Chem. Eng.. Publicado em: 30/09/2019
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17. Semicondutores heteroestruturados: uma abordagem sobre os principais desafios para a obtenção e aplicação em processos fotoquímicos ambientais e energéticos
Heterostructured semiconductors are materials with unique features formed by combination of two or more semiconductors with suitable interface between them. The study of the heterostructures aim the development of physico-chemical and photocatalytic properties higher than their isolated phases, which makes it possible to obtain higher efficiency and lower co
Quím. Nova. Publicado em: 15/08/2019
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18. Synthesis of high-silica ZSM-5 with seeds in the presence of ethanol and amine
Resumo A possibilidade de cristalização da ZSM-5 com alta razão Si/Al foi avaliada através do uso combinado de sementes de cristalização e compostos orgânicos que não são direcionadores convencionais da ZSM-5 (etanol, metilamina, etilamina, propilamina, butilamina, isopropilamina e dietilamina) a fim de encontrar uma rota de síntese menos tóxica e
Cerâmica. Publicado em: 15/08/2019
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19. Biochemical descriptors: importance of the genetic divergence study in peppers
RESUMO A diversidade genética de genótipos de pimentas é comumente avaliada com base em descritores morfológicos e moleculares, no entanto, estudos empregando descritores bioquímicos em pimenta ainda são incipientes. Dessa forma, o objetivo deste trabalho foi identificar em Capsicum spp. os descritores bioquímicos com ação antioxidante mais responsi
Hortic. Bras.. Publicado em: 18/07/2019
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20. COINOCULATION WITH Bradyrhizobium AND Trichoderma ALLEVIATES THE EFFECTS OF SALT STRESS IN COWPEA
RESUMO Os efeitos deletérios do estresse salino podem ser mitigados pelo uso de microrganismos benéficos. O objetivo foi avaliar se a inoculação com Bradyrhizobium e Trichoderma asperelloides alivia o estresse salino em feijão-caupi. O experimento foi conduzido em casa de vegetação utilizando vasos preenchidos com solo estéril. As sementes foram seme
Rev. Caatinga. Publicado em: 18/07/2019
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21. NI-MO SUPPORTED NANOPOROUS GRAPHENE AS A NOVEL CATALYST FOR HDS AND HDN OF HEAVY NAPHTHA
ABSTRACT Reducing sulfur and nitrogen compounds is essential in producing clean fuels for providing a green environment. In this regard, a novel nanocatalyst has been proposed for Hydrodesulfurization (HDS) and Hydrodenitrogenation (HDN) of heavy naphtha. To this end, Ni-Mo was loaded on nanoporous graphene (Ni-Mo/NG) through the incipient wetness impregnati
Braz. J. Chem. Eng.. Publicado em: 15/07/2019
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22. Effect of Withania somnifera on gentamicin induced renal lesions in rats
ABSTRACT Gentamicin induced renal complications are well known in humans and animals. Medicinal properties of Withania somnifera (L.) Dunal, Solanaceae, are recognized to improve renal functions. However, the pharmacological function of W. somnifera is not completely understood. We sought to unravel medicinal therapeutic function of W. somnifera on gentamici
Rev. bras. farmacogn.. Publicado em: 27/05/2019
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23. Clinical Trials in Mitochondrial Disease: An Update on EPI-743 and RP103
Abstract Mitochondrial dysfunction results in the production of an abnormally high amount of reactive oxygen and nitrogen species, which results in redox imbalance and glutathione deficiency. Therapeutics such as EPI-743 (?-tocotrienol quinone) and RP103 (cysteamine bitartrate) have the theoretical potential to improve redox imbalance by increasing intracell
J. inborn errors metab. screen.. Publicado em: 16/05/2019
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24. MODELOS FOTOQUÍMICOS SIMPLES COMO FERRAMENTA PARA O GERENCIAMENTO DA QUALIDADE DO AR
Atmospheric processes in an urban scenario are very complex and depend on meteorological parameters, emission, transport and deposition processes and the chemical mechanism. Simple air quality models can be used to understand the main aspects of ozone formation and provide information to adopt pollution control strategies. In this work the detailed simulatio
Quím. Nova. Publicado em: 02/05/2019