359 resultados para coluna de imunoafinidade


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Soil flushing is an alternative remediation technology for soils contaminated with heavy metals, which the main contaminant removing process consists in percolating an extraction solution. This work aimed to use the response surface methodology to point out combinations among the parameters of the extraction solution (Na2EDTA concentration, volume e pH) in order to reduce the concentration of copper in a sandy soil to risk levels lower than the intervention levels for exposure scenarios adopted by the Environmental Company of Sao Paulo State. Thus, a series of tests in leaching columns were carried out using a Fluvisol artificially contaminated (1257,3 mg kg-1). The tests were conducted in triplicate and setup a central composite rotatable design with 15 different parameters combinations of the extraction solution and one replicate in the center point. Using 5% significance level, the adjusted model (R2 = 0,98) indicated combinations of Na2EDTA concentration, pH and volume of the extraction solution which allow reduction of copper concentration below levels reported by environmental agency of Sao Paulo State for industrial, residential, agricultural or maximum exposure scenarios.

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This study aims to evaluate safety and effectiveness of the use of orthesis in postoperative degenerative disorders of the cervical spine. Although widely used, there are not defined criteria for the use of cervical collars, and their importance on cervical arthrodesis. A systematic literature review was undertaken and a multicentre controlled clinical trial comprising 32 specialized services, with a total of 257 patients who met the inclusion criteria of the review. Clinical and radiographic outcomes were compared in post surgical patients that used or not rigid cervical collar during 6 to 12 weeks after surgery. The evidence available on literature, although weak, suggests that cervical collar decreases the clinical scores in first weeks after surgery. Furthermore, it does not alter the rate of fusion when used concomitantly with plaque and screws through anterior access in cervical degenerative diseases on a single anatomical level.

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Pós-graduação em Ciências Farmacêuticas - FCFAR

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Alimentos e Nutrição - FCFAR

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)