Carboxymethylcellulose
Mostrando 25-36 de 164 artigos, teses e dissertações.
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25. Cellulolytic potential of a novel strain of Paenibacillus sp. isolated from the armored catfish Parotocinclus maculicauda gut
A cellulolytic bacterial strain, designated P118, isolated from the gut of the tropical fish Parotocinclus maculicauda was identified as belonging to the genus Paenibacillus based on phenotypic and chemotaxonomic characteristics and the 16S rRNA gene sequence. The novel strain was Gram-positive, spore-forming and rod-shaped. Catalase but not oxidase was prod
Braz. J. Microbiol.. Publicado em: 2011-12
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26. Multicomponent complex formation between pyrimethamine, cyclodextrins and water-soluble polymers
The combined effect of hydroxypropyl-β-cyclodextrin (HPβCD) and polyvinylpyrrolidone (PVP) or sodium carboxymethylcellulose (CMC) on the solubility of pyrimethamine (PYR) was studied. Equimolar PYR-HPβCD solid systems, in the presence or the absence of 0.25% (w/v) PVP or 0.10% (w/v) CMC were prepared by coevaporation or freeze-drying, and characterized by
Brazilian Archives of Biology and Technology. Publicado em: 2011-10
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27. Hidrogel de carboximetilcelulose de sódio e própolis: desenvolvimento e caracterização / Hydrogel carboxynethylcellulose of sodium and própolis: development and characterization
Estima-se que os EUA gastem por ano cerca de 100 milhões de dólares anuais para tratar e reabilitar pacientes com doenças na coluna vertebral. Aproximadamente 15% dos pacientes que são operados da coluna vertebral, não obtêm melhora clínica e irão necessitar de outros procedimentos cirúrgicos. Entre as principais causas de insucesso nos procedimento
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/12/2010
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28. Comparison of intraperitoneal honey and sodium hyaluronate-carboxymethylcellulose (SeprafilmTM) for the prevention of postoperative intra-abdominal adhesions
BACKGROUND: Abdominal surgery can lead to postoperative intra-abdominal adhesions (PIAAs) with significant morbidity and mortality. This study compares the use of honey with a standard bioresorbable membrane (Seprafilm tm) to prevent the formation of PIAAs in rats. METHODS: Thirty rats underwent laparotomy, and PIAAs were induced by scraping the cecum. The a
Clinics. Publicado em: 2009-04
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29. Estudo das interações entre o complexo polieletrolítico trimetilquitosana/carboximetilcelulose e Cu+2, ácido húmico e atrazina em solução aquosa
The polyelectrolyte complex (PEC) resulting from the reaction of sodium carboxymethylcellulose (CMC) and N,N,N-trimethylchitosan hydrochloride (TMQ) was prepared and then characterized by infrared spectroscopy and energy dispersive X rays analysis. The interactions involving the PEC and Cu2+ ions, humic acid and atrazine in aqueous medium were studied. From
Química Nova. Publicado em: 2009
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30. Efeitos metabÃlicos in vivo de derivados Benzilideno-Tiazolidinadionas
Thiazolidinediones are insulin-sensitizing agents that working by binding to PPAR-γ, which leads to alteration in the expression of key regulators of lipid homeostasis, glucoregulatory and insulin resistance gene. In this study, it was evaluated the effect of treatment with novel benzylidene thiazolidinediones (BTZDs) derivatives: 5-(4-chlorobenzylidene
Publicado em: 2009
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31. Adição de poliuretana em pastas de cimento para poços de petróleo como agente de correção do filtrado
Chemical admixtures, when properly selected and quantified, play an important role in obtaining adequate slurry systems for quality primary cementing operations. They assure the proper operation of a well and reduce costs attributed to corrective cementing jobs. Controlling the amount lost by filtering through the slurry to permeable areas is one of the most
Publicado em: 2008
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32. Efeito do acetaminofeno e do celecoxib na distalização de incisivos e na ativação de regiões cerebrais relacionadas à nocicepção durante a movimentação ortodôntica em ratos / Effect of actaminophen and celecoxib in the incisor distalization and neuronal activation of nociceptive area of rat
Anti-inflammatory drugs may slow dental movement in orthodontic patients, which leads to low therapeutic alternatives for pain control. Acetaminophen has been the first choice medication for the majority of patients, but it is not well tolerate for some. This work evaluated the influence of celecoxib and acetaminophen in the orthodontic separation of superio
Publicado em: 2008
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33. Immobilization of proteins onto polysaccharide surfaces / Imobilização de proteínas sobre superfícies de polissacarídeos
This thesis presents the study on thin film formation and characterization of xyloglucans extracted from two different sources, Hymenaea courbaril (HXG) and Tamarindus indica (TXG) onto Si/SiO2 wafers or amino-terminated wafers, as well as the application of these films as substrates for the immobilization of the lectin concanavalin A (Con A) by means of ell
Publicado em: 2008
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34. Degradation of agricultural solid Wastes by microorganisms isolated from sugarcane bagasse, and its percolated, and of effluents from agri-industry. / Degradação de resíduos sólidos agrícolas por microrganismos isolados de bagaço de cana e seu percolado, e de efluentes de agroindústria.
Brazil occupies a place of prominence in the productive sector, as well as in the exploitation of agricultural waste, from sugar cane. This use is a fairly widespread practice, both for effluents, mainly vinasse, but also for solid residues, such as filter-cake and bagasse from sugar cane. Thus, at the start of the 2005/06 harvest, samples were collected fro
Publicado em: 2008
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35. Study of prebiotic activity of lignocellulosics hydrolyzed products. / Estudo da atividade prebiotica de hidrolisado lignocelulosicos.
In this present work, six basidiomycete strains were evaluated using five different lignocelulosic agricultural residues as substrates. These fungi were cultivated under non-agitated conditions for 30 days. Searching for the best strains able to produce lignocellulolytic enzymes, hidrolise these growth substrates and generate compounds having prebiotic activ
Publicado em: 2007
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36. "Synthesis and characterization of polyaniline mixed in different polymeric matrices for protection against corrosion of metallic alloys" / "Síntese e caracterização da mistura de polianilina em diferentes matrizes poliméricas para proteção contra a corrosão de ligas metálicas"
In this work, polyaniline (PAni) blends and composites were obtained on platinum (Pt) and stainless steel (AISI-304) substrates. The effects of chemical and electrochemical syntheses were studied in different aqueous media. PAni blends and composites were prepared from aniline monomer-containing solutions of H3PO, that contained different concentrations of s
Publicado em: 2006