Indirect Measurement Systems
Mostrando 1-12 de 12 artigos, teses e dissertações.
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1. Development of an indirect ELISA assay to evaluation of the adaptive immune response of pacu (Piaractus mesopotamicus)
ABSTRACT The pacu is one of the most important species for Brazilian fish farming and is considered emerging in the global aquaculture. Despite its importance, no effective tool for evaluation of the adaptive immune response of this species has been developed. Therefore, this study aimed the development and standardization of indirect ELISA for the measureme
An. Acad. Bras. Ciênc.. Publicado em: 25/06/2018
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2. Symbiotic nitrogen-fixing bacterial populations trapped from soils under agroforestry systems in the Western Amazon
Cowpea (Vigna unguiculata) is an important grain-producing legume that can forego nitrogen fertilization by establishing an efficient symbiosis with nitrogen-fixing bacteria. Although inoculating strains have already been selected for this species, little is known about the genotypic and symbiotic diversity of native rhizobia. Recently, Bradyrhizobium has be
Sci. agric. (Piracicaba, Braz.). Publicado em: 2013-12
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3. Observadores de Estados para Sistemas de Medição Indireta e Controle RLQD-GA / Observers of States for Systems Indirect Measurement and Control RLQD-GA
Motivado pela necessidade de algoritmos eficientes, apresenta-se o desenvolvimento de uma metodologia para projeto e análise de observadores de estado em malhas aberta e fechada que são dedicados a monitoração e controle de sistemas dinâmicos. O desenvolvimento dos observadores estão fundamentados em modelos OE, descrição no espaço de estados e filt
Publicado em: 2010
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4. Análise e Desenvolvimento de um Filtro alfa-beta para Medição Indireta de Sistemas Dinâmicos de Primeira Ordem / Analysis and Development of a Filter alpha-beta stop Indirect measurement of Dynamic Systems of First Order
Neste trabalho, apresenta-se o desenvolvimento do filtro α-β para medição indireta em sistemas dinâmicos de 1 ordem a partir das equações conhecidas do filtro α-β aplicados a sistemas com um integrador puro. Os principais parâmetros de projeto do filtro analisado são: o fator de redução de variância do ruído de medição e o er
Publicado em: 2006
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5. Estudo da fluidodinâmica em leito fixo utilizando-se métodos numéricos de solução: escoamento monofásico de ar.
Studies accomplished in the structure of tubular fixed beds proved that the porosity in these systems presents an oscillatory behavior along the radial direction. The non-uniformity of the porosity generates a behavior of the velocity profile, inside the bed, characterized by oscillations in the central region and a peak of larger width in the region close t
Publicado em: 2006
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6. EFFECTS AND APPLICATIONS OF NON-HOMOGENEOUS STRAINS IN BRAGG GRATINGS / EFEITOS E APLICAÇÕES DE DEFORMAÇÕES NÃO HOMOGÊNEAS EM REDES DE BRAGG
Fiber Bragg gratings (FBG) are modulations in the effective refractive index of optical fibers, introduced in a small length along the fiber core. Such components operate as narrow band reflective filters, that is, when illuminated by a broad-band light source, they reflect a narrow spectral band centered at a specific wavelength, the Bragg wavelength. This
Publicado em: 2005
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7. FLUOROMETRIC QUANTITATION OF FLUORESCEIN-COUPLED ANTIBODIES ATTACHED TO THE CELL MEMBRANE*
A method was devised which allows the measurement, by direct and indirect fluorescence assay, of the binding of fluorescein-coupled antibodies directed against cell-membrane antigens. The systems used were: (1) species-specific antigens, (2) genetically determined isoantigens, (3) virus-determined, tumor-specific antigens, and (4) membrane-bound immunoglobul
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8. Automated non-invasive measurement of cardiac output: comparison of electrical bioimpedance and carbon dioxide rebreathing techniques.
Two commercial automated, non-invasive systems for estimation of cardiac output were evaluated. Values of cardiac output obtained by electrical bioimpedance cardiography (BoMed NCCOM3 machine) were compared with values derived from an indirect Fick technique that uses carbon dioxide rebreathing (Gould 9000 IV system) during 103 simultaneous measurements made
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9. Rapid Methods for Determining Decarboxylase Activity: Arginine Decarboxylase
A rapid biochemical method for the determination of arginine decarboxylase (EC 4.1.1.19) activity has been developed for use in the routine clinical microbiology laboratory and correlated with similar procedures for ornithine and lysine decarboxylase (EC 4.1.1.18) systems. It is based on the detection of agmatine, the amine end product formed during growth o
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10. In situ detection, by spin trapping, of hydroxyl radical markers produced from ionizing radiation in the tumor of a living mouse.
Hydroxyl radicals are thought to be responsible for the toxicity associated with ionizing radiation in tissues. Measurements of hydroxyl radicals generated by ionizing radiation in cellular systems have failed thus far to elucidate higher-level homeostatic responses to this and other reactive oxygen species. Careful assessment of prior indirect hydroxyl radi
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11. Rates of spontaneous mutation in an archaeon from geothermal environments.
To estimate the efficacy of mechanisms which may prevent or repair thermal damage to DNA in thermophilic archaea, a quantitative assay of forward mutation at extremely high temperature was developed for Sulfolobus acidocaldarius, based on the selection of pyrimidine-requiring mutants resistant to 5-fluoro-orotic acid. Maximum-likelihood analysis of spontaneo
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12. On-line visualization of dendritic release of acetylcholinesterase from mammalian substantia nigra neurons.
This study presents, to our knowledge, the first on-line measurement of acetylcholinesterase (AcChoEase) release from brain tissue. It is now well established that a soluble form of the enzyme is released from central nervous system neurons, and it has been proposed on indirect grounds that such release may occur not only from presynaptic terminals but also