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Capacitando professores de ensino fundamental em serviço para uma educação inclusiva.
(Universidade Federal de São Carlos, 2003-08-30)
Ortiz, Luciana Guedes Machado
;
Denari, Fátima Elisabeth
;
https://lattes.cnpq.br/5575213011914394
In this work, it is met the results of a study about the teachers' Fundamental Teaching training in service, seeking their preparations for the Inclusive Education, through their realities in a public school of Fundamental Teaching of a city of the northeast from São Paulo. The participants of this research were, 3 teachers of Regular Classes of Teaching, being 2 of 1a. and 1 of 4a.Series , with which training was implanted in service, guaranteeing the reflection of their practices in their daily allied to theoretical references and orientations. Besides those teachers, other ones of the school participated of the research allowing a characterization of the conceptions that these possess about the Inclusive Education and through the participation in lectures on themes of their preferences, tied up to Especial Education. One of the most important characteristics of the present work is inside the importance of the researcher's role on the context, with its active participation, getting directly with the participants through observations, interviews/meetings, lectures and documental analysis. The results point to a significant change of behaviors and attitudes on the part of the participants in relation to the student with special educational needs in regular class of teaching, the concrete benefits of the training in service and the need of its implementation. It also approaches, the importance of a team inside the school, sensitive to this context and prepared to work with the difficulties faced in the day-to-day by the whole scholar community.
Tertúlia literária dialógica: espaço de aprendizagem dialógica
(Universidade Federal de São Carlos, 2003-09-01)
Mello, Roseli Rodrigues de
;
https://lattes.cnpq.br/5233854244313683
;
https://orcid.org/0000-0002-1782-890X
Apresenta os princípios de um programa de leitura para adultos em Barcelona, Espanha chamado Tertúlia Literária Dialógica, como uma atividade cultural e educativa desenvolvida a partir da leitura de livros da literatura clássica universal fazendo referências a episódios vividos e assistidos durante a pesquisa do programa em que os entrevistados comentam sobre uma das principais características do programa – o diálogo igualitário entre os participantes.
Diversidade de Similiidae (Diptera, Nematocera) em córregos do estado de São Paulo, Brasil
(Universidade Federal de São Carlos, 2003-09-03)
Pepinelli, Mateus
;
Strixino, Susana Trivinho
;
https://lattes.cnpq.br/1804083229761186
;
https://lattes.cnpq.br/4749916650581885
With the aim to analyse the Simuliidae diversity in the State of São Paulo streams, a program of collection was done during two weather seasons (dry/2001; wet/2002) in 33 aquatic systems, including forested and open low order streams and outflow of water impoundments in 11 areas inside the Mata Atlântica and Cerrado forest. The immatures were collected manually and with the Surber sampler. Overall 26 Simuliidae species were analyzed and identified of which 8 were new occurrences to São Paulo State and 1 to Brazil. Simulium pertinax, S. incrustatum, S. perflavum, S. noguerai and S. inaequale were the most frequent species, collected in at least 30% of the water bodies. The numerical population density didn t show significant difference between the weather seasons (Kruskal-Wallis non parametric test). The relations between the taxonomic structure and the environment variables were analyzed by cluster analyses and principal components (Spearman s rank coefficent). Water velocity and streams dimensions were the main variables that explained the distribution of Simuliidae species. The anthropic impact level, as impoundment or deforestation may also influence the species distribution.
Estudos da fauna de Chironomidae (Diptera) nos córregos galharada, campo do meio e casquilho do parque estadual de Campos do Jordão, SP
(Universidade Federal de São Carlos, 2003-09-03)
Suriano, Marcia Thais
;
Gessner, Alaíde Aparecida Fonseca
;
https://lattes.cnpq.br/8465752836529703
Chironomidae is an important group among the aquatic Diptera significantly participating in the composition of the benthic macroinvertebrate community of a vaariety of aquatic systems. It has been estimated that there exists at least 2.000-3.000 species in each biogeographical region. In Brazil, however, there are few studies on the ecology and taxonomy of this group. In Sao Paulo State 89 genera and 66 species were registered so far. Aiming to contribute to the advance in the knowledge on this family, the present work analized the Chironominae occurring at the State Park of Campos de Jordao, considering the absence of data regarding this family for that region which has peculiar characteristics for Sao Paulo State, such as: high altitude and subtropical high a altitude temperate climate. Samplings for the immature phase were performed by using a Surber type sampler and a D net. The samples were taken at the rivers Galharada and its affluent, Campo do Meio and Casquilho, all them of low order, with stony beds, protected by riparian vegetation; The water is transparent, cold, well oxygenated, acid, with low electrical conductivity and turbidity. Adults were captured close to the sampling points of the larvae using light trap. The results revealed differences in the structure of the communities among the streams. From cluster analysis it was possible to see the clustering of Galharada sampling points located in a central region of the park and mainly represented by the taxa aff.Omisus sp1 and Corynoneura. On the other hand the sampling points Campo do Meio and Casquilho, suffering anthropogenic impacts presented a dominance of aff. Pseudochironomus sp1 species. The diversity of adult specimens was higher than that of larvae, and new records of species for Sao Paulo State were found (Neelamia) and Brazil (Paramerina), as well as new species (Antillocladius sp1 and Goeldichironomus sp). The faunistic data will be incorporated and made available by the Environmental Information System é SinBiota/FAPESP.
Evolução da forma e encolhimento de um sistema gel durante a secagem por convecção forçada
(Universidade Federal de São Carlos, 2003-09-05)
Arrieche, Leonardo da Silva
;
Sartori, Dermeval José Mazzini
Knowledge of the shape evolution and shrinkage of a spherical gel system during drying by forced convection significantly enhances the understanding of this process under the vision of the transport phenomena. This work consists in the development of a gel system, with spherical geometry, which allows analyzing the effect of the fluid flow, in the boundary layer, on the moisture transport, shrinkage and on the shape evolution of the sample, during drying in an air stream forced convection equipment. The shrinkage was observed through the capture of images, used for the calculation of shape factors. The process was evaluated under a laminar flow (based on particle diameter), with a agar concentration of 1.5 and 3% (wet basis), fluid velocities varying from 1.0 to 2.0 m/s and initial particle diameters of 1.61.10-2 and 2.66.10-2 m, being the temperature maintained at 50 0C. The results confirmed with good reproducibility, proved statistically, that the circularity and specific mass of the samples decrease according to the formation of accentuated two-dimensional moisture profiles, for moisture contents lower than the critical value. The difference between the maximum and minimum diameters of a sample, during the process, evidenced the variation of the mass transfer rates between the previous and subsequent areas. It was inferred that during the constant drying rate period, the analysis is pondered in relation to the moisture transport, with the circularity and specific mass of the samples staying approximately constant. The gel system used allowed to reach the proposed objective, in a selective way, representing materials intensely affected by the shrinkage.
Estudo da transferência de calor e massa no processo de secagem em leito vibro-fluidizado
(Universidade Federal de São Carlos, 2003-09-05)
Oliveira Júnior, Antonio Batista de
;
Freire, José Teixeira
;
https://lattes.cnpq.br/2270677706718167
Drying processes in fluidized and vibro-fluidized beds are nowadays being widely investigated in the literature, because such beds offer many advantages over other types of dryers. The purpose of this work is to contribute for the research in this area by presenting an extensive investigation of the drying process in fluidized and vibro-fluidized beds. The following topics were investigated in this work: a) fluid dynamic studies in fluidized and vibrofluidized beds were carried out using particles of alumina and silica-gel as inerts. The effects of variables such as the frequency and vibration amplitude (which are combined in a dimensioless vibration number), height of the bed and particle diameters on the fluid dynamic behavior of both beds have been analyzed. Simultaneously, an analysis of the fluid dynamic behavior for these beds was carried out using measurements of standard desviations of the pressure drops in the beds as a function of the superficial gas velocity. The results show that in both beds the dimensioless vibration number has a strong influence on the fluid dynamic behavior of the bed of particles. Besides, the increase in the height of particles in the bed, as well as in the particle diameters affects significantly its characteristic curves; b) equilibrium isotherms for alumina and silica-gel particles were obtained experimentally using the static method. Some equations for equilibrium isotherms available in the literature were compared to experimental data and the best fitted model was obtained using a technique based on non-linear estimation of the parameters. The results show that the equation of Sabbah provided the best fitting for both particles of alumina and silica-gel; c) the drying kinetics for alumina and silica-gel were obtained from experimental data for the drying of a thin layer of particles in a fixed bed. The best model for the drying kinetics came from a semi-empirical equations presented in the literature, using a non-linear estimation of parameters technique. The results show that the equation from Mancini provided the best predictions for experimental data of alumina and silica-gel; d) heat an mass transfer coefficients in the fluidized and vibrofluidized beds were estimated using the methodology proposed by Kmiec (1975). In the range of variables investigated, the results show that the heat and mass transfer coefficients for the vibrofluidized beds have not increased significantly as compared to the values obtained in the fluidized beds; e) the moisture content and temperature profiles of the particles were estimated using the mathematical model proposed by Massarani and Silva Telles (1992) with the heat and mass transfer coefficients obtained experimentally. For the range of conditions investigated, the mathematical model has not provided good predictions for the moisture content profiles, but in the other hand, it provided reasonable good predictions for the temperature profiles of the particles.
Investigação do modelo de aprendizagem híbrido genético-baseado em instâncias
(Universidade Federal de São Carlos, 2003-09-05)
Nardin, Luciana de
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Nicoletti, Maria do Carmo
;
https://lattes.cnpq.br/6454154048263145
This research work investigates the contribution of genetic algorithms to instance based learning methods, particularly k-NN, IB1 and IB2. The main focus of the investigation is to optimize the performance of three algorithms by means of a genetic algorithm. A computational system that implements each method and its genetic variant is described. Results of experiments in some knowledge domains are presented and analised.
Reengenharia de interfaces utilizando Wrapping
(Universidade Federal de São Carlos, 2003-09-05)
Affonso, Frank José
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Penteado, Rosângela Aparecida Dellosso
;
https://lattes.cnpq.br/4061946080136286
With the technological evolution and the increasing utilization of the Internet, companies and governmental institutions have been looking for modern solution to replace and improve their legacy systems. These kind of solutions require high investments, being able to use the reengineering process in these cases. A maner to modify these systems is through reengineering of their interfaces, by wrapping of their logic. This technique preserves the native environment of system and its functionalities, reducing in time and cost the reengineering process. To support the migration of legacies systems in a general way, there is an Interface Reengineering Process (IRP), whose accomplish the wrapping of its functionalities and connect them with a new user Web interface. This Web interface connects itself with the identified components of the legacy system following the special resources that they offer. The IRP is summarized by the study of the interface and logic of the system. In this way, it possible to accomplish the system organization for the wrapping to be done, which is composed by the legacies functionalities covered by a new software layer. This new layer makes possible the communication with the new user interface, which has developed according to the usability criteria. The systems used as case studies were developed using Delphi environment, with or without object orientation characteristics. In this work only systems developed without object orientation characteristics are presented in details. With the use of the new process proposed here, the interface can be developed in any paradigm, while the legacy code remains as the original, simplyfing the system maintenance.
Análise de métodos para avaliação da qualidade de calçadas
(Universidade Federal de São Carlos, 2003-09-09)
Aguiar, Fabíola de Oliveira
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Ferreira, Marcos Antonio Garcia
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https://lattes.cnpq.br/2643134259454260
This dissertation presents the results obtained with the use of different methodologies for the evaluation of the quality of urban pedestrian spaces. The choice of the methodologies was based on a bibliographic review, and those methodologies that best suited the brazilian cities reality were selected. The methodologies were applied in a case study for the evaluation of a pedestrian environment in the city of São Luis, Maranhão. Although each methodology require the collection of a different set of data, the effort to gather all the necessary information was not very great. The analysis showed that the selected methodologies can be easily applied and that, even though they use different quality indicators, the results were virtually identical. It was verified that, according to the applied methodologies, the quality of the pedestrians environment is average, and the results really reflect the conditions of the study area.
Proposta de um teste de exercício submáximo, com a utilização de banco e cadência livre
(Universidade Federal de São Carlos, 2003-09-09)
Karsten, Marlus
;
Lima, Walter Celso de
;
https://lattes.cnpq.br/0799726119601477
;
https://lattes.cnpq.br/2183320690087782
This study aims to evaluate the functional capacity of old people or chronic degenerative disease (CDD) patients using sub-maximum tests. The sub-maximum tests, which use a step as ergometer, usually have two features that makes difficult its usage by the considered subjects (old people or CDD patients): the cadence is constant and the step height is not proportional to their physical condition. Thus, the intention is to develop and validates a test to functional capacity evaluation of 60 to 69 years old subjects, using a 15 centimeters step height as ergometer and self-paced. The self-paced step test (SPST) was compared to six-minute walk text (6MWT) in a sample (12 male; 35 female) from Itajaiaçu River region population. Reliability in both tests was evaluated; the SPST required time for cardiovascular, breath, and comfort alterations were compared to 6MWT alterations and it was established a performance correlation (functional capacity) of the subjects in both tests. Each test was performed two times for the subjects (test/re-test) and the second time data were used to comparison between tests. The cardiovascular parameters (heart rate HR and arterial blood pressure BP), the breath parameters (arterial oxygen saturation SpO2), and the comfort parameters (pain perception in the inferior members DOR and effort perception SSE), were measured and used in the statistical analysis that includes: F test, Student T test, Wilcoxon Test, all of them with significance level p ≤ 0.05; the Pearson s correlation was used in reliability and validation evaluation. The most important results were: between the two SPST and 6MWT measures were found a good correlation and no statistical difference was found in significance level p ≤ 0.05; comparing the second measures of the tests no statistical difference was found between BP and SpO2 averages. The HR had a different behavior between tests, with p=0.0436 in the 5th minute and p=0.0121 in 6th minute. DOR have show p=0.0018 in 4th minute and p=0.0007 in 6th, and the SSE had p=0.1638 in 4th minute and p=0.0003 in the 6th minute. The r values (correlation coefficient) were equal or bigger than 0.7 for HR, BP, SpO2 (5th and 6th minute) and for functional capacity (4th to 6th min). The results show that the evaluation tests are reliable and that SPST validation was found for the studied subjects. Besides, it is possible to conclude that in the 4th min test the SPST reached a similar effect to 6MWT.
Efeito alelopático de Andira humilis Mart.ex Benth. e de Anacardium humile Mart. na germinação e no crescimento de Lactuca sativa L. e de Raphanus sativus L
(Universidade Federal de São Carlos, 2003-09-11)
Periotto, Fernando
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Lima, Maria Inês Salgueiro
;
https://lattes.cnpq.br/2171993314203162
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Perez, Sonia Cristina Juliano Gualtieri de Andrade
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https://lattes.cnpq.br/9973185407856723
Atividade alelopática de extratos aquosos de Aristolochia esperanzae O. Ktze e Ocotea odorifera (Vell) Rohwer na germinação e crescimento de Lactuca sativa L. e Raphanus sativus L.
(Universidade Federal de São Carlos, 2003-09-11)
Gatti, Ana Beatriz
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Lima, Maria Inês Salgueiro
;
;
Perez, Sonia Cristina Juliano Gualtieri de Andrade
;
https://lattes.cnpq.br/9973185407856723
The objective of this work was analyze the effects of aqueous extracts of Aristolochia esperanzae organs in the germination and early growth of lettuce and radish. All the prepared extracts obeyed the ratio of 100g of plant material + 300 mL of distilled water to produce an extract 100% concentrated. This extract was diluted with distilled water to produce final concentrations of 75, 50 and 25%. In the germination tests the extracts of leaf, stem, root, fruit and flower, with concentration of 100, 75, 50, 25% were evaluated. In the seedlings growth, extracts of leaf, stem and root were used in the concentration of 100 and 50%. In the germination tests, four replicates of 30 seeds were distributed in Petri dishes with two filter paper moistened with 5 mL of the extracts, dried during 12 hours and moistened again with 4,5 mL of distilled water. In the first test, the rate and germination percentage was evaluated. In the growth test, the seeds were previously germinated (2-4mm root length) and transferred to plastic boxes containing the filter paper or coconut fiber, moistened with the extracts. The aerial part height, root length, dry mass and the presence of abnormalities in the seedlings were evaluated. Both tests were maintained at constant temperature (27ºC). The obtained results showed that the leaf extracts affected strongly the germination percentage and all the extracts, in different concentrations, delayed the germination of lettuce and radish seeds. In the growth test could be verified that the stem and root extracts caused abnormalities in the seedlings. The seedlings grown in filter paper presented bigger growth inhibition in relation to seedlings from coconut fiber. The extract concentration was the main responsible for the incentive or inhibition caused on lettuce and radish seedlings growth.
O desenvolvimento profissional de uma professora de Biologia de um grupo de pesquisa: um estudo de caso
(Universidade Federal de São Carlos, 2003-09-11)
Calzolari Neto, Anselmo João
;
Freitas, Denise de
Proposição de valores de referência para concentração de metais e metalóides em sedimentos limnicos e fluviais da bacia hidrográfica do Rio Tietê, SP
(Universidade Federal de São Carlos, 2003-09-12)
Nascimento, Marcos Roberto Lopes do
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Mozeto, Antonio Aparecido
;
https://lattes.cnpq.br/6594211224864538
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https://lattes.cnpq.br/7346670090999065
This project represents the first efforts in Brazil in the proposition and establishment of reference concentration values for metals and metalloids in limnic and fluvial sediments. The selected study site is the Tietê River basin (São Paulo State, southeast region), a watershed which is under significative environmental impact and degradation since the onset of the Brazilian revolution at early-midd 50 s. In order to consolidate the analytical values 1,100 analyses were performed encompassing 95 sampling points in 29 municipalities, from the upper stream parts of the river down to its mouth at the Paraná River, covering an extension of approximate 800 km. Sediment samples were collected in small streams and rivers as closest as possile to their upper reaches, as well as in rivers and reservoirs in locations minimally affected by human contamination. Samples were initially sieved for separation of the particles <63 µm, dryed at 50°C, and extracted with a mixture of strong acid solution (HNO3, HF, HClO4 and HCl). Chemical analyses were performed by induced coupled plasma atomic emission spectrometry for Cr, Ti, Zn and V, and via atomic absorption spectrometry using conventional flame for Co, Cu, Ni and Pb, graphite furnace for Cd and Ag, hydride generation for As and Se, and cold vapor for Hg. U and Th were analysed by molecular absorption spectrophotometry using the chromogenic reagent Arsenazo III. The reference concentrations determined by this study showed significant differences with respect to the assumed global geological reference for some elements; differences were also detected among the concentrations of the same element from different basin regions and are attributed to differences in regional geochemical characteristics. As a consequence of these lithological variations, four different sets of reference concentration values are proposed valid to the different regions of the studied basin. This study also presents application of different sediment quality classification models and potential ecological risk index for Bariri, Billings, Rasgão, Barra Bonita and Promissão reservoirs.
Planejamento urbano e conservação ambiental. Estudo de caso: Goiânia-GO
(Universidade Federal de São Carlos, 2003-09-12)
Mota, Luciana Costa
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Cavalheiro, Felisberto
;
https://lattes.cnpq.br/0158443345380578
The main objective of this work is contribute to Goiânia city environmental planning, with special focus in fragile (sensitive) areas, in valley areas. We started with biophysical characterization of the area, identifying and delimitating, in the Urban Zone (ZU) and Expanded Urban Zone (ZEU), fragile (sensitive) areas (areas with medium and high Natural Erosion Potential PNE and/or areas related to the hidrological cycle - floodplans). We also identified federal and municipal (county) regulations, and the proposals of Goiânia Director Plans for valley areas. Then we evaluated their adequability, foccusing environmental conservation. Finally, based on actual diagnosis of land use in valley areas, Environmental Protected Zones I (ZPA-I) associated to hidrography and the fragile (sensitive) areas within these areas, we evaluated the applicability of laws and plans for valley areas during (along) the city development and grow. Evaluating Legal rules and planning guidelines, we identified that since 1960, permanent preservation areas with at minimum 50 meters from the river flood height, should receive land uses compatible with environmental conservation (recreational, cultural, environmental education, park etc). ZU e ZEU presented 40.73% of areas with medium and high PNE in valley areas, representing 59.69% of valley areas, and 22.01% of that are legally protected by ZPAs-I. The ZPas-I represent 14.62% of ZU and ZEU (49.22% of it are represented by areas of medium and high PNE) and have only 44.21% of natural vegetation which 10.71% are within properties. Properties areas already occuppy 26.62% of ZPAs-I. In valley areas only 34.81% are vegetated, and in valley areas legally protected by ZPAs-I, 47.46% have natural vegetation. In valleys´s fragile areas 31.66% are vegetated. When those areas are protected by ZPAs-I, vegetated areas increase to 40.71%. The floodplans (within valley and legally protected by ZPAs-I) are 56.54% covered by vegetation which 13.88% are within properties. The results evidenciated that valley areas are structurally and functionally fragile (sensitive) and municipal plans and legal regulations for these areas are adequated. However, regulations measurements for buffer zones (ZPAs-I) usually don´t cover all fragille areas (areas with medium and high PNE). Finnaly the study identified insufficient urban instruments (Director Plans and land use regulations) to efectivelly protect fragile areas during (along) the city development and grow. Even dough, fragile areas within valleys, legally protected by ZPAs-I, presented better environmental conservation conditions than the others fragile areas.
Estudo das propriedades estruturais e desenvolvimento de eletrodos modificados de novas porfirinas polimetaladas
(Universidade Federal de São Carlos, 2003-09-12)
Dinelli, Luís Rogério
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Batista, Alzir Azevedo
;
https://lattes.cnpq.br/6469642481998660
In this work we synthetisized and characterized different polymetallated pophyrins, using as precursors 5,10,15,20-piridilporphyrin and [RuCl2(CO(DMF)(PPh3)2], cis-[RuCl2(bipy)(dppb)] and mer-[RuCl3(dppb)(H2O)] as peripherical componds. The internal metals into de macrocyclic porphyrin were Co(II), Ni(II), Cu(II) and Zn(II). These complexes were characterized by several techciques such as, absorptional spectroscopy in the visible, utraviole and near infrared region, vibracional spectroscopy, cyclic voltammetry, X-ray crystallography and elemental analyses of carbon, hydrogen and nitrogen. Modified electrode was obtained using the porphyrin {Co(II)-[RuCl2(dppb)]4} by cyclic voltammetry. The modified electrode was obtained in carbon vitreos and the proposed mechanism for the formation of the film was consolidated with the existence of the intervalence transition in the near infrared, which one was attributed to intervalence transition Ru(II) → Ru(III). Such modified electrode was used for the determination, using the technique of cyclic voltammetry, of hydroquinone, 1,4-benzoquinone, dopamine, catecol, ascorbic acid and paracetamol. Dopamine and paracetamol were also analyzed in commercial medicines. Dopamine was determined in the µmol concentrations range usin squere wave voltammetry technique. The X-ray structure of to the porphyrin {Ni(II)-[RuCl3(dppb)]4} was determined. Modified electrode, obtained with the pophyron {H2-TPyP[RuCl3(dppb)]4} using the same procedure, was used as potenciometric sensor for pH measures. Langmuir-Blodgett films were obtained with the porphyrin {H2-TPyP[RuCl3(dppb)]4.
Obtenção de biovitrocerâmicas por cristalização controlada do vitro 1Na2O.2CaO.3SiO2
(Universidade Federal de São Carlos, 2003-09-16)
Guanabara Júnior, Paulo
;
Rodrigues, Ana Candida Martins
;
https://lattes.cnpq.br/4499231813051400
Glass-ceramics used as implant in tissue attachment bioactive classification type, show better mechanical strength than related glasses or ceramics, but without significant bioactivity loss. It was not analysed the bioactivity of a glass-ceramic from glasses with chemical composition 1Na2O. 2CaO. 3SiO2 (1N2C3S). This type of glass that does not possess phosphate in its composition, has its bioactive behavior known of literature in the glass phase and fully crystallized phase. With the objective to use such glass-ceramics as bioactive implant, the bioactivity was analysed in the range between glass 1N2C3S and the crystal. For this purpose sample of glass-ceramics were made with several crystallized fractions, by controlled crystallization, through thermal treatments in the range of 570oC to 700oC. These glass-ceramics were exposed to a solution that simulates the fluid of the body (SBF-K9) for several periods of time. The rate of hydroxycarbonateapatite (HCA) formation was determined using Fourier transform infrared spectroscopy (FTIR). The simultaneous mechanisms of performance were observed; a non-phosphat bioactive crystal phase 1N2C3S and the phosphorus ions in solid solution which are released from the structure promoting a HCA layer formation, already indicated in previous studies, of glass-ceramics compositions in vitro tests. All the glassceramics showed the formation of a well-developed HCA layer on its surface at less than 100 hours exposure time.
Modelo de ferramenta para avaliação e diagnóstico das organizações de aprendizagem
(Universidade Federal de São Carlos, 2003-09-22)
Hallgren, Nadir Ramos de Almeida
;
Alliprandini, Dário Henrique
This work was elaborated from a bibliography review in which were extracted elements explored and used by the researcher in the context of a new perspective that served as base for the proposal of an integrated and ample pattern about learning organizations. With this new pattern the researcher elaborated a tool in order to use it as a reference for initiatives in companies, both for valuation or diagnosis and for implementation guide of this management pattern. The function of the mentioned pattern, which was called FADOA, is to become a great facilitator of practical and/or strategic use for companies and for people who study the theme, especially, because of its capacity to evidence a very synthetic and very simple classification index of the company development level from the complex universe of the learning organizations. Since the beginning of this work there was preoccupation about simplifying without reducing, in other words, to transform a complex thing in a simple one without promoting a linear and poor reduction, following the orientation of the anthropologist LÉVI-STRAUSS (1990) and always considering that the scientific explanation is not the way of the complex fact to the simple one, but the trail to make complexity more intelligible. The pattern was put into practice and it was successful at the company called Caterpillar do Brasil Ltda.
Desenvolvimento de procedimentos automáticos para a determinação de 3-hidroxibutirato, glicose e colesterol em soro de sangue animal empregando multicomutação em fluxo
(Universidade Federal de São Carlos, 2003-09-23)
Pires, Cherrine Kelce
;
Reis, Boaventura Freire dos
;
https://lattes.cnpq.br/7619359855870896
In the present work, in flow injection systems were developed for the determination of important metabolic parameters, such as 3-hydroxybutyrate, glucose and cholesterol in animal blood serum. The analysis modules were developed based on the multicommutation concept, whose main characteristics favor the processing of many samples. For this, three-way solenoid valves were used, as discreet commutation devices, for the intermittent addition of samples and reagents, controlled by a microcomputer equipped with a commercial electronic interface (PCL-711S). The control and data acquisition programs were written in Quick BASIC 4.5. The proposed methods are based on enzymatic reactions. For these, the enzymes were immobilized in glass beads and packed in mini-columns of acrylic (15 x 5 mm i.d.). The determination of 3-hydroxybutyrate was based on the reduction of nicotinamide adenine dinucleotide (NAD+), forming NADH, which was monitored at 340 nm. The analytical curve of the proposed system presented a linear dependence on concentration for concentrations between 25 and 150 mg L-1, an analytical frequency of 60 determinations per hour, relative standard deviation of 1.4% (n=17), estimated for a sample containing 75 mg L-1 of 3-hydroxybutyrate, and a detection limit of 2 mg L-1. Other observed favorable aspects were low reagent consumption of NAD+ (0.9 mg) and 3-hydroxybutyrate dehydrogenase (8 µg), and 200 µL of sample per determination. Another analysis module was developed for glucose determination using chemiluminescence detection. The glucose was oxidized by glucose oxidase to gluconic acid and hydrogen peroxide. The hydrogen peroxide formed reacted with the luminol, in the presence of the catalyst hexacyanoferrate (III), producing a blue luminescence at a wavelength around 420 nm. The analytical curve of the proposed system was linear for concentrations between 50 and 600 mg L-1, showed a relative standard deviation <3.0% (n=20) for a sample containing 300 mg L-1 of glucose, a detection limit of 14.0 mg L-1, and an analytical frequency of 60 determinations per hour. The sample, hexacyanoferrate (III) and luminol consumption was 46 µL, 10.0 mg and 0.2 mg per determination, respectively. To conclude this work, the determination of cholesterol was proposed. The esters of cholesterol were hydrolyzed by cholesterol esterase to free cholesterol and fatty acid. The free cholesterol was oxidized by cholesterol oxidase to cholestenone and hydrogen peroxide. The hydrogen peroxide reacted with luminol and hexacyanoferrate (III), being detected by chemiluminescence. The proposed system presented an analytic frequency of 40 determinations per hour, relative standard deviation of 2.3% (n=20) for a sample containing 75 mg L-1 of cholesterol, a linear dependence in the concentration range of 25 and 125 mg L-1, and an estimated detection limit of 3.7 mg L-1. The reagent consumption was 0.22 mg of luminol and 2.75 mg of hexacyanoferrate (III) per determination. Once the best analysis conditions were found, a set of samples was analyzed using the three proposed systems. Applying the t test among the results obtained with the proposed systems and those obtained with the manual procedures of analysis (kit), no significant difference was observed at the 95% confidence level.
Reiki: um estudo localizado sobre alternativas, ideologia e estilo de vida
(Universidade Federal de São Carlos, 2003-09-23)
Babenko, Paula de Campos
;
Cardoso, Marina Denise