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Modelos não lineares assimétricos com efeitos mistos
(Universidade Federal de São Carlos, 2019-08-02)
Pereira, Marcos Antonio Alves
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Russo-Novelli, Cibele Maria
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https://lattes.cnpq.br/1011098065426388
;
https://lattes.cnpq.br/4792032354955226
This work aims to develop asymmetric nonlinear regression models with mixed-effects, which provide alternatives to the use of normal distribution and other symmetric distributions, in order to avoid the sensitivity in the estimates to atypical observations and asymmetry. Nonlinear models with mixed-effects are explored in several areas of knowledge, especially when data are correlated, such as longitudinal data, repeated measures and multilevel data, in particular, for their flexibility in dealing with measures of areas such as biology and pharmacokinetics. However, there are difficulties in obtaining explicit estimators for the parameters in these models. At present, many studies have been developed with the family scale mixtures of skew-normal distribution (SMSN) that encompasses distributions with light and heavy tails, such as skew-normal, skew-Student-t, skew-contaminated normal and skew-slash, as well as symmetrical versions of these distributions. In this work, nonlinear regression models with mixed-effects are presented in which the random components have distributions belonging to the SMSN family. For the parameters estimation, a numerical solution via the EM algorithm and its extensions and Newton-Raphson algorithm is obtained. Analyzes for real data sets are performed with this new proposal, such as the study of drug kinetics in humans, as well as diagnostic analyzes, through residual analysis and influence diagnostics. Simulation studies are conducted to verify the maximum likelihood properties of the estimators.
Invasor (in)conveniente: o manejo de javali como política pública
(Universidade Federal de São Carlos, 2019-08-02)
Guillardi, Bruno Luiz
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Molina, Wagner de Souza Leite
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https://lattes.cnpq.br/5939243693407420
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https://lattes.cnpq.br/3785840214023786
This master thesis aims to demonstrate the implementation of wild boar management as a State Public Policy, especially in the state of São Paulo. Thus, we seek to explain the possible causes of the introduction and spread of wild boars (Sus scrofa) within the Brazilian territory, as well as the reasons that caused their demographic growth, a fact that has caused several economic, environmental and social damages throughout the country. Faced with this scenario, the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA) eventually released the management, via slaughter, as a way to try to control its proliferation. However, given the lack of resources (human and financial) of the Brazilian State, it was up to individuals and companies to take over the management of wild boars, ie, while the State would be responsible for legislation and supervision, people who wanted, for some reason. For this reason, controlling wild boars could, with proper authorization, do so. Initially, in the state of São Paulo, the person responsible for releasing and overseeing management was the State Secretariat of the Environment (SMA) through its regionalized departments. Subsequently, this changed, with IBAMA being in charge of the registration and accountability of managers, while SMA along with the police agencies would be responsible for enforcement. However, the problem lies in the changes in management laws that are being changed too much - sometimes by the state government, sometimes by the federal government -, showing that the perspectives of action of those who build the management policy, the state organs, compared to those who carry out the control, the managers are not the same. Therefore, the problem of wild boar spread may persist or even worsen. Thus, in this paper, besides just trying to demonstrate the possible beginning of the introduction of wild boars in Brazil and the probable damages caused by their proliferation, we tried to contribute with some considerations and considerations, presenting different perspectives, often conflicting, of the State legislator/inspectors and control agents, in order to better clarify the management of wild boar as a Public Policy.
Cuidado em saúde mental infantojuvenil na atenção básica à saúde: práticas, desafios e perspectivas
(Universidade Federal de São Carlos, 2019-08-02)
Fernandes, Amanda Dourado Souza Akahosi
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Matsukura, Thelma Simões
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https://lattes.cnpq.br/5611215381682164
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https://lattes.cnpq.br/7901666626822625
In recent years, a growing global investment in health guidelines has been identified, so that all professionals, especially those working in the field of Primary Health Care (ABS), have been invited to intervene in suffering. Thus, a sustainable relationship between mental health and ABS actions has been fundamental for advancing health reform proposals and psychiatric reform in Brazil, although the few studies focused on this level of care show a number of weaknesses. To this end, the objectives of this research were to: - Identify the implications of child and adolescent mental health care developed in ABS and conceptions of child and adolescent mental health from the perspective of the managers of the Health Units team of seven municipalities in the State of São Paulo; and to understand in depth the reality of mental health in ABS in order to reveal the challenges, perspectives and potentials in this level of health care. Regarding the specific objectives, we sought to identify a) the practices of care in the field of child and adolescent mental health offered by the Health Units, b) with the network and intersectoral care has been proposed and developed, c) how the access has been given of children and adolescents in psychic suffering in ABS, and d) whether the Health Unit responds to public policies for children and adolescents and mental health. This is a quantitative qualitative study based on two studies. In the first study, two forms and a questionnaire were applied with 53 managers of ABS Health Units from seven municipalities in the State of São Paulo - Brazil. Study II, is an ethnography, developed in a periphery of evident vulnerability, in one of the Health Units involved in the first Study. In this Study II, the insertion of the researcher in the field involved the observation and participation in the activities carried out by the Health Unit, the mapping and recognition of the territory attached to the Unit, as well as the dialogue with technicians, users and other actors involved with childhood and adolescence. The results of study I pointed out that the conception of most ABS professionals about child and adolescent mental health is close to the precepts present in psychosocial care, however, this understanding is not related to the recognition of children and adolescents in psychic suffering, with the care actions proposed by the services, and also in practices that involve network and intersectoral care, which is based on the specialty and referrals. The results from Study II have shown that when there is some form of care, it occurs under the perspective of health problems, being predominantly biomedical and curative, and there are no actions that aim to reach children and adolescents in psychic suffering, even in the face of the obvious demand in a territory of extreme vulnerability, marked by drug trafficking, violence, exclusion and social inequality. It is also identified in the results of Study II that, in the absence or insufficiency of the State, drug trafficking is present in the mediation and management of the daily relations of the population, including their relationship with health equipment. Moreover, much of the specificity and field of child and adolescent mental health was being re-dimensioned during the course of ethnography, as well as the role of ABS, as a territorial equipment, fundamental in the process of deinstitutionalization, and was re-signified. Beyond the limits of the current reality, the extreme need for attention to this population and also the powers in the possibilities of expansion of care in the territory have been revealed, which reaffirms the fundamental role of ABS in child-minded mental health care.
Habituação das respostas cardiovasculares ao estresse de restrição em ratos
(Universidade Federal de São Carlos, 2019-08-02)
Benini, Ricardo
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Crestani, Carlos Cesar
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https://lattes.cnpq.br/1117432571971568
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https://lattes.cnpq.br/3972492902132382
Habituation refers to any decrease in physiological and behavioral responsiveness to a repeated stimulus, while sensitization is a hyperresponsiveness trigger by the same stimulus or other stimuli. Although the habituation of neuroendocrine responses to stress is well described in the literature, a progressive reduction of cardiovascular responses during repeated exposure to the same aversive stimulus is still controversial. Therefore, in the present study we have tested the hypothesis that cardiovascular responses habituate during repeated exposure to restraint stress in rats, and this effect is influenced by the length, frequency and number of aversive sessions; exposure to other stressors and physical training; as well as the sex, age and lineage of the animals. The habituation of corticosterone response to repeated restraint stress was also evaluated. We observed that serum corticosterone increase was decreased during stress and the recovery period of the 10th restraint session when compared to the response during an acute session. Regarding cardiovascular responses, a faster heart rate (HR) return was observed at baseline during the post-stress period of the 10th 60-min restraint stress session in male and female adult Wistar rats, in elderly Wistar rats, and in Holztman adult rats. Daily 120-minute sessions decreased blood pressure and HR values during the recovery of the 10th session in adult Wistar rats. Adolescent Wistar rats presented a reduction in HR response during the 10th restraint session. Spontaneously hypertensive rats (SHR) and Long-Evans did not show any sign of habituation of cardiovascular responses to restraint stress. Regarding the frequency, tachycardia during the 10th session was increased in adult Wistar rats submitted to 60 minutes of restraint presented on alternate days, and decreased in rats submitted to the protocol of 5 daily sessions followed by 2 days of rest. Exposure to other chronic stressors including chronic varied stress and social isolation stress as well as a treadmill physical training protocol inhibited the process of habituation of the HR response observed during the 10th session of 60 minutes of restraint stress. The chronic varied stress and social isolation also facilitated the responses of, respectively, blood pressure and HR to restraint stress. These results provide evidence of habituation of cardiovascular responses after repeated exposure to restraint stress, and this effect is dependent on duration, frequency and number of exposures; besides being influenced by the sex, period of the life and lineage of the animals. The habituation process was also inhibited by exposure to other chronic stressors and by physical training.
Identificação taxonômica, potencial agrícola e biotecnológico de bactérias endofíticas e rizosféricas associadas a Paspalum atratum e P. notatum
(Universidade Federal de São Carlos, 2019-08-02)
Paula, Ailton Ferreira de
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Fávero, Alessandra Pereira
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https://lattes.cnpq.br/4329892306148506
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Lacava, Paulo Teixeira
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https://lattes.cnpq.br/8947678349043750
The genus Paspalum belongs to the family Poaceae and has several species native to Brazil. The Germplasm Bank of Paspalum of Embrapa Pecuária Sudeste has about 450 accessions of 50 species. Among the conserved accessions, two were chosen for this study: BGP 26 of P. notatum (potential as a lawn) and BGP 308 of P. atratum (potential as a forage ). To date, both endophytic and rhizospheric microbiological diversity for these two accessions were unknown, as well as the potential of these bacteria for promoting the plant growth (BPPG). The objective of this study was to evaluate the endophytic and rhizospheric bacterial community of P. atratum and P. notatum, in order to (1) identify in vitro the potential of these microorganisms in the promotion of plant growth by biological nitrogen fixation (BNF), phosphate solubilization (FS), indol-acetic acid (IAA) production and antagonistic ability. (2) Select the best isolates for the in vivo plant growth promotion test in the BGP 308 accession, with different phosphate sources treatments and no add of nitrogen in the soil. As for the in vitro tests, the BNF was tested in a nitrogen-free semi-solid culture medium, the FS was tested in nutrient agar medium supplemented with insoluble phosphate and the IAA was tested in the medium 10% Tryptin + L-tryptophan. In the antagonism test, Bipolaris sp. spores were streaked onto Potato Dextrose Agar agar medium and the bacterial isolate was inoculated onto the stria. In the molecular identification the 16S gene was used and the sequences were compared in the Classifier software. Eight isolates with potential for BNF, FS and IAA were in vivo evaluated in BGP 308. The soil was prepared with three sources of phosphate plus phosphate control without phosphate. The plants had the morphological descriptors measured and the dry matter was submitted to the near infrared spectrometer (NIRS) for chemical determination of each treatment. Analysis of variance, t-Test and Principal Component Analysis were generated in the Statistical Analysis System software. Two hundred and thirteen bacterial isolates (97 BGP 26 and 118 BGP 308) were purified. The total of 54 isolates presented potential for BFN, FS and IAA. These isolates were submitted to molecular identification and the antagonism test. Seven bacterial genera were found: Bacillus, Enterobacter, Microbacterium, Micrococcus, Pantoea, Pseudomonas and Rhizobium. The isolates 50 (Pseudomonas spp.) and 53 (Bacillus spp.) presented antagonistic activity against Bipolaris sp.. In the in vivo test the results showed BPPG, the most promising isolates were 103 (Enterobacter spp.), 110 (Enterobacter spp.) and 458 (Pseudomonas spp.). With this work, it was possible to know the bacterial community for the two accessions in question and to obtain new isolates with potential for Plant growth-promoting.
$L^2$ estimates for the operators $ \bar\partial $ and $ \bar\partial_b $
(Universidade Federal de São Carlos, 2019-08-02)
Coacalle, Joel Rogelio Portada
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Raich, Andrew Seth
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Hoepfner, Gustavo
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https://lattes.cnpq.br/7742503790793940
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https://lattes.cnpq.br/4153627834860786
The purpose of this work is to establish sufficient conditions for closed range estimates on $(0,q)$-forms, for some fixed $q$, $1 \leq q \leq n-1$, for $\bar\partial_b$ in both $L^2$ and $L^2$-Sobolev spaces in embedded, not necessarily pseudoconvex CR manifolds of hypersurface type. The condition, named weak $Y(q)$, is both more general than previously established sufficient conditions and easier to check. Applications of our estimates include estimates for the Szeg\"o projection as well as an argument that the harmonic forms have the same regularity as the complex Green operator. We use a microlocal argument and carefully construct a norm that is well-suited for a microlocal decomposition of form. We do not require that the CR manifold is the boundary of a domain. Finally, we provide an example that demonstrates that weak $Y(q)$ is an easier condition to verify than earlier, less general conditions.
Creche: proposta de curso presencial e a distância para atuar com alunos com Transtorno do Espectro Autista
(Universidade Federal de São Carlos, 2019-08-05)
Garcia, Rafael Vilas Boas
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Denari, Fátima Elisabeth
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https://lattes.cnpq.br/5575213011914394
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https://lattes.cnpq.br/8516732611799388
Brazilian laws throughout educational history present the inclusion of people with disabilities as a challenge to be overcome in quality education for all. However, there are notes in the literature indicating that teacher education and conditions in school practices are not suitable for it, especially in day care centers. Thus, this research aimed to elaborate, develop and evaluate the results of a training course for daycare teachers for practices for students with Autistic Spectrum Disorder in the presential and distance modalities. It is hypothesized that an individualized didactic model that incorporates fundamental aspects for teacher education for inclusive education is possible to replicate in differentiated and effective educational models for use by/for teachers. To this, a qualitative research was conducted, applied nature and with exploratory objectives in person and, then, in a distance education model. Nine teachers from a day care center in a city in the interior of the state of São Paulo participated in these training sessions, in person and 25 teachers from another city in a distance education model. For teaching, in both formations, the Personalized Instruction System (PSI) was used as a didactic model, organized and adapted according to the educational model of education, and a selection of contents based on the social view of disabilities. MOODLE was used for distance education, using the same resources used in classroom training, however, adapted according to the nature of the educational model. The results indicated that the didactic model PSI proved to be effective for the training of daycare teachers from both perspectives of the educational models (presential and distance education). The use of this model, as well as respecting the quality steps for distance education pointed out in the literature represented a dropout number of only 7% in the distance education model evasion. Literature data point to a number ranging from 40% to 60%. Finally, it is concluded that the elaboration of a course based on the knowledge of teachers' demand, the use of multimedia resources, the division of contents into small stages and progressive evaluations of the student-teacher repertoire represents an important resource for teacher training for inclusion of children with ASD, both in person face-to-face and in the distance education model.
Investigação das propriedades ópticas e fotocatalíticas de materiais a base de fosfato de prata
(Universidade Federal de São Carlos, 2019-08-05)
Pereira, Wyllamanney da Silva
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Longo, Elson
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https://lattes.cnpq.br/9848311210578810
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https://lattes.cnpq.br/8206011538570093
The semiconductor-based photocatalytic degradation of synthetic dyes has been considered a promising approach in wastewater treatment. The main objective in this doctoral thesis was the investigation on structural, morphological, optical and photocatalytic of silver phosphate-based materials. Thus, silver phosphate (Ag3PO4), Ag3-2xCuxPO4 (x = 0.00, 0.01, 0.02, 0.04 and 0.08) solid solutions and silver pyrophosphate (Ag4P2O7) were synthesized by the chemical coprecipitation method (CP) at room temperature. Ag4P2O7 was also prepared by decomposing the silver (I) diamine complex by both CP at 90 °C and hydrothermal methods, conventional (CH) and microwave (MH), at 100, 120 e 140 °C. In addition, silver bromide and silver phosphate composites (AgBr/Ag4P2O7) with different Br/P molar ratios were prepared by using the in situ anion-exchange method at room temperature. For Ag3-2xCuxPO4 (x = 0.00, 0.01, 0.02, 0.04 and 0.08) solid solutions, the results showed that the body centered cubic phase was successfully obtained. The increase in the concentration of Cu2+ ions was able to reduce the average particle size as well as decrease the photocatalytic activity of the pyrophosphates in the degradation of rhodamine B under visible light irradiation. Ag4P2O7 with hexagonal phase, synthesized by the CP, was active in the degradation of RhB and 6G rhodamine by presenting velocity constants of 0.057 and 0.184 min-1, respectively. In relation to the decomposition of silver (I) diamine complex, the synthesis conditions employed in CP, CH and MH methods (from 100 to 120 ° C) influenced the morphological aspects of Ag4P2O7 microparticles; however, the photoluminescence emissions of these materials were similar. Finally, the increase of Br/P molar ratio in AgBr/Ag4P2O7 composites affected in the degradation of RhB. A more detailed study on the structural, morphological and photocatalytic stability was performed for the composite with the highest Br/P molar ratio.
Amorfização e cristalização da liga fe68cr8mo4nb4b16: caracterização através de técnicas avançadas de microscopia eletrônica
(Universidade Federal de São Carlos, 2019-08-05)
Coimbrão, Diego Davi
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Zepon, Guilherme
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https://lattes.cnpq.br/7924187202036614
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Botta Filho, Walter José
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https://lattes.cnpq.br/8956458007749112
Stainless steels of the different classes can have their composition modified through the addition of boron, aiming to obtain both amorphous phases and the controlled formation of borides. The formation of amorphous phase and the controlled formation of borides have the objective to optimize surface properties, specifically, the corrosion resistance and the wear resistance. Depending on the system, the composition and the processing route, borides can be formed in different stages, such as, during solidification by precipitation from solid crystalline phases or during the crystallization of an amorphous matrix. In each case, borides with different crystalline structures and different compositions can be formed. This present project had the objective to produce, via different processing routes, a new Fe-based alloy with composition, Fe68Cr8Mo4Nb4B16, and to characterize the phases formed through the techniques of x-ray diffraction, electron diffraction, EDS, EELS and ASTAR. The alloy with microstructure near the equilibrium was produced by arc melting, and from this master alloy, amorphous alloys were produced by rapid solidification by the melt-spinning technique. Detailed microstructural characterization was performed in all conditions of processing; in the crystalline alloy produced by arc melting, in the amorphous alloys produced by melt-spinning and in the partially and fully crystallized alloys produces by controlled heat treatments of the amorphous ribbons. For the alloys crystallized from the amorphous phase, the results indicated the formation of phases, different from the equilibrium, and also different sequences of formation. Specifically, the amorphous alloys crystallize in the following sequence: [am + Chi-phase + M23B6] → [am + Chi-phase + M23B6 + Fe-alpha] → [Fe-alpha + MB + M2B tetragonal + M2B orthorobic + M3B2 + MB2 + M23B6]. Finally, the Fe68Cr8Mo4Nb4B16 alloys processed by the different routes were characterized electrochemically in acidic and alkaline media, indicating outstanding high corrosion resistance of the new glassy alloy, justified by the amorphous nature and the presence of corrosion resistant alloying elements such as chromium and molybdenum.
A agroecologia e seus espaços de produção acadêmica na UFSCar
(Universidade Federal de São Carlos, 2019-08-06)
Almeida, Adriane Herrmann Corrêa de
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Martins, Rodrigo Constante
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https://lattes.cnpq.br/6617183095074852
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https://lattes.cnpq.br/4348336905295469
Research in agroecology has grown in the last decades, there has been an increase in the number of undergraduate, technical and postgraduate courses in universities, as well as the creation of research lines in agricultural development centers. The search for alternatives that may respond to the socio-environmental crisis in which we live in is latent. In this sense, the present research aims to describe and analyze the role of scientific research in agroecology at the Federal University of São Carlos (UFSCar). To accomplish this goal, we will present an extensive documental research on the scientific production about agroecology in the mentioned university, interpreting it and showing points of consonances and dissonances. Our method is based on descriptive statistics and semi-structured interviews with prominent researchers. Our main sources of data are the Directory of Research Groups in Brazil and Lattes Platform, both maintained by National Council for Scientific and Technological Development (CNPq). The temporal delimitation of the research covers the period from 1992 to 2018. Among the results and conclusions of the study is the identification that, although research in agroecology is still emerging in UFSCar, it has a strong character of university extension, with networks of researchers establishing themselves beyond the traditional boundaries of academic production.
Superfícies mínimas e a teoria min-max de Almgren--Pitts
(Universidade Federal de São Carlos, 2019-08-07)
Viveiros, Anderson Felipe
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Marques, Fernando Codá dos Santos Cavalcanti
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https://lattes.cnpq.br/4688693754938462
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Barreto, Alexandre Paiva
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https://lattes.cnpq.br/3369766702725474
First, we introduce the basic concept of minimal surfaces and develop some results in the general theory of minimal surfaces. In the second part, we are interested in the Simon-Smith Min-Max approach to prove the existence of minimal surfaces in compact tridimensional riemannian manifolds (COLDING; DE LELLIS, 2003). This is done using the concept of varifolds, object studied in Geometric Measure Theory. In the third part, we consider min-max minimal surfaces in tridimensional manifolds and we prove some rigidity results under the hypothesis of positive scalar and Ricci curvatures (MARQUES; NEVES, 2012). An important tool here is the so called Ricci flow.
Uma proposta de formação colaborativa sobre o ensino de ciências: a importância da reflexão para o desenvolvimento profissional docente
(Universidade Federal de São Carlos, 2019-08-07)
Gomes, Bruna Cristina Carvalho
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Zanon, Dulcimeire Aparecida Volante
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https://lattes.cnpq.br/1811225448261362
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https://lattes.cnpq.br/9789261043573293
The current sociocultural reality requires that people possess knowledge about various subjects, that they are able to analyze causes and effects and they can position themselves in the face of social debates. On the other hand, Brazilian education presents several types of problems, including the shortcomings of teacher education and the constant challenge of learning, with oneself and with others. The training of citizens with values and the knowledge necessary for critical participation can be promoted through the relations between Science, Technology and Society (STS) in science teaching, from the early years of elementary school and it becomes a great ally to children's literacy and development of children. To achieve this aim, teachers must understand their theoretical and methodological assumptions for the development of thematic activities with their students. Due to the relevance of teacher training, a partnership was established between the researcher and an experienced first year teacher of Elementary School with the objective of analyzing the results of a collaborative training proposal, based on the reflection about science teaching in the STS perspective for professional teacher development. Thus, this research was based on the following question: What are the contributions of a proposal of collaborative training based on reflection on the teaching of science in the STS perspective for professional teacher development? For the constitution of the collaborative work, eight meetings were held with discussion of theoretical references on reflective teacher and STS teaching approach, as well as for the planning and development of a teaching situation, from this perspective, about planetary system. The following instruments were used to compile data: transcription of the videos of the meetings, written records of the questionnaires (initial and final), records of the professional trajectories and the diaries of the researcher and the teacher. By characterizing it as a qualitative research, we opted for the discursive textual analysis, in which the texts were: separated by their meanings, categorized, analyzed and interpreted. Thus, three categories of analysis were identified. The first one covers all the situations in which there was the reflection on the practice itself in the teaching of Sciences. The second one refers to the discussions related to the theoretical reference about reflexive teacher and the teaching of sciences emphasizing STS, that is, reflection on the relation theory and practice. The third covers a discussion concerning reflection on the teaching profession. In summary, we consider that the collaborating teacher had the opportunity to analyze and reflect on the practice itself as well as the conditions of the teaching system to which it belongs, identifying factors that affect its methodological choices. Among the contributions of the formative proposal, we highlight the recognition of the learning process of teaching as a “continuum” throughout the career; the importance of interaction with peers to favor the attribution of meaning to new experiences, as well as previous experiences. We also emphasize the promotion of reflections in a systematic, rigorous and disciplined way that requires the valorization of attitudes of both parties and favors professional teacher development.
Adesão à terapia antirretroviral, autoeficácia e qualidade de vida relacionada à saúde em pessoas vivendo com HIV/AIDS
(Universidade Federal de São Carlos, 2019-08-08)
Bomfim, Isabella Gerin de Oliveira
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Santos, Sigrid de Sousa dos
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https://lattes.cnpq.br/0475600621927610
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Napoleão, Anamaria Alves
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https://lattes.cnpq.br/8539664594837249
Introduction: AIDS remains a major public health issue. There was control of new cases of HIV infection in the second half of the 1990s and a new increase with peak in 2010. This increase is probably due to the risk behavior in the population, the existence of undiagnosed individuals and a low adherence to antiretroviral therapy . The management of antiretroviral therapy aims to offer recommendations for preventing transmission, treating infection and improving quality of life. It is a dynamic, complex, multifactorial process that is comprehensive and difficult to measure, and there are several ways described and validated to measure adherence to antiretroviral therapy (ART), with different applications. Objective: To assess adherence and risk factors associated with adherence to antiretroviral treatment in people living with HIV / AIDS. Methods: Descriptive cross-sectional study. Adult individuals diagnosed with HIV / AIDS using antiretroviral therapy for at least three months in SAE of São Carlos city were included. RESULTS: A total of 220 patients were evaluated, of which 58% were men, with a mean age of 43 years, 41% with a primary education, 26% men who have sex with men - MSM, 55% in the AIDS stage, 91% with more than one year of follow-up. Adherence to antiretrovirals in the sample studied was 62%. The factors associated with adherence in the univariate analysis were living alone, to be a man who has sex with men, not having an active sex life, do not smoke, having a CD4 count greater than 350 cels / mm3, having an undetectable HIV1 plasma load, having no history of treatment interruption and having a score greater than 101 on the Self-efficacy Expectation Scale. Factors associated with adherence in the multivariate regression analysis were do not smoke, having no active sex life, and undetectable last viral load test. Conclusion: The results may contribute to the identification of groups at higher risk of nonadherence to ART and emphasize the need for investment in measures that promote greater adherence to treatment.
Metabolomics-based studies assessing exercise induced alterations of the human metabolome: a systematic review
(Universidade Federal de São Carlos, 2019-08-09)
Sakaguchi, Camila Akemi
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Nieman, David Christopher
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Signini, Étore De Favari
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Abreu, Raphael Martins de
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Catai, Aparecida Maria
Influence of surface treatments on corrosion resistance properties of ultrafine grained titanium alloys for biomedical applications
(Universidade Federal de São Carlos, 2019-08-09)
Pérez, Diego
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Moreira, Alberto
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https://lattes.cnpq.br/6360362248108490
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Botta Filho, Walter José
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https://lattes.cnpq.br/8956458007749112
Titanium and its alloys are used as biomaterials because their excellent combination of high corrosion resistance, low modulus of elasticity and biocompatibility. However, titanium and its alloys cannot meet all the clinical requirements. In this sense, in order to improve the electrochemical and bioactive properties, this thesis aims to evaluate the effect of the severe plastic deformation as well as the surface modification treatments on the corrosion resistance and bioactivity of titanium alloys (α' + β) and (β). The titanium alloys, Ti13Nb13Zr (α' + β) and Ti35Nb7Zr5Ta (β), were deformed by the high-pressure torsion (HPT) method. Afterward, surface modification treatments, such as the anodization and chemical treatments, were carried out both in samples non-deformed and deformed by HPT. Finally, corrosion and bioactivity tests were performed in simulated body fluid (SBF). The tests were performed on samples with treated surfaces compared with non-treated surfaces in the deformed and undeformed conditions. The samples’ microstructures were analyzed by confocal laser microscopy (CLM), scanning electron microscopy (SEM) and X-ray diffraction (XRD). Hardness tests were also performed after the HPT process. On the other hand, surface modification treatments, and the formation of apatite in bioactivity assays were evaluated by scanning electron microscopy (SEM), with chemical analyzes carried out by dispersive energy spectroscopy (EDS) and phase identification by X-ray diffraction (XRD). In general, the corrosion resistance of the titanium alloys improved with the anodization treatment. Apatite deposits were observed on Ti13Nb13Zr alloy samples, in the conditions non-deformed and deformed by HPT. The Ti35Nb7Zr5Ta appears to have a lower apatite-formation ability compared to Ti13Nb13Zr.
Cultura e transformação: entre casas e coisas no mundo Xavante
(Universidade Federal de São Carlos, 2019-08-09)
Andrade, Marcos Vinicius de Almeida
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Cohn, Clarice
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https://lattes.cnpq.br/1714080901123094
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https://lattes.cnpq.br/3062561498527611
In the past decades, public policies in the most diverse areas have been formulated for indigenous peoples. These policies, often engendered by imperatives of national development, are not always congruent with the singularities of these peoples. This paper proposes an anthropological research about the situation found among the Xavante indigenous people, in which the construction of housing promoted by political programs like PNHR and MCMV causes a lot of criticism and questioning by part of the supposed benefited ones, putting in evidence a complex entanglement of relations that are produced from the Xavante modes of inhabiting the enviroment. From an ethnographic case, audiovisual productions and literature review on the Xavante, this research is intended to highlight the multiple relationships established between these people and the myriad of beings who co-inhabit the world, presenting as houses, bodies and things are related to culture and historical transformations, serving to operationalize reflections about themselves and others.
Desenvolvimento de filmes de amido incorporados com cera de abelha por casting contínuo
(Universidade Federal de São Carlos, 2019-08-09)
Luchesi, Bruno Ribeiro
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Moreira, Francys Kley Vieira
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https://lattes.cnpq.br/7156680316782417
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Marconcini, José Manoel
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https://lattes.cnpq.br/5373845785326215
Starch films appear as an alternative to problematic non-biodegradable plastic films; however, they have low water resistance and require the addition of a hydrophobic component to be viable substitutes for non-biodegradable films. Beeswax is a biodegradable and hydrophobic substance, mostly composed of esters, hydrocarbons and fatty acids. In this context, the objectives of this work were to reduce the interaction of corn starch films with water through the incorporation of different levels of beeswax and evaluate the surface hydrophobicity and the water vapor permeation properties of these films. The films were obtained via continuous casting to establish a pre-pilot processing scenario. The application of continuous casting to obtain the starch/beeswax films resulted in a productivity, at least, 50 times greater compared to the conventional bench casting reported in the literature. Advanced scanning electron microscopy images showed the immiscibility of the beeswax domains and the starch matrix, sufficient to alter the interaction of light with the films, reducing their transparency and clarity and increasing their opacity. In addition, these domains induced the starch matrix to crystallize even with the reduced crystallinity of the wax in the domains. The interaction between the wax and the starch, suggested by ATR-FTIR, directly influenced the properties of the films. The tensile strength was reduced by 39%, the maximum and at break elongation were reduced by 60% and 58%, respectively, while the elastic modulus increased by 327% with the wax content. Finally, the addition of increasing levels of beeswax increased surface hydrophobicity by 100% and reduced the water vapor permeability of the films by 200%, reaching the goal of making them less susceptible to the effect of moisture.
O processo de elaboração do luto e as respostas ocupacionais no cotidiano de mães enlutadas
(Universidade Federal de São Carlos, 2019-08-09)
Dahdah, Daniel Ferreira
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Joaquim, Regina Helena Vitale Torkomian
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https://lattes.cnpq.br/7719481657895650
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https://lattes.cnpq.br/5331569022443995
INTRODUCTION: Bereavement is a process that occurs with the loss, by death, of a significant person. This is a painful experience that leads to the need to adapt to the new situation. Maternal bereavement becomes peculiar because it reverses the expected cycle of life, generating feelings of guilt and shame, accompanied by grief and the feeling of having failed in the role of mother. Occupations change during the bereaved process, as their constituent elements - doing, being, becoming and belonging – are affected, causing a crisis in maternal daily life. AIM: To understand the bereaved mothers’ occupations in their everyday life. METHOD: A cross-sectional, exploratory and qualitative study that used the Oral History technique, in the biographical narrative modality. The inclusion of the participants came from a group of mutual aid and selection, by the “snowball” technique. Ten mothers are included in the study. The data were generated from three collection instruments: field diary, timeline, and semi-structured interview. The results were categorized and analyzed by content analysis using deductive and inductive methods. RESULTS: In the field diary, the main topics addressed in the mutual help group were recorded. The timeline allowed us to visualize the “birthday reactions” and to identify, chronologically, the mothers' experience during the dates associated with bereavement. From the interviews, six categories emerged: The notification of the death of the son; The experience of motherhood before and after the death of the son; The meanings constructed by mothers after the death of their son; The future; Religiosity and spirituality helping to coping with bereavement; and, Occupational responses in the face of changes imposed on the everyday lives of bereaved mothers after the death of their sons. From the results, it was possible to systematize the occupational responses in the daily lives of bereaved mothers. DISCUSSION: Triangulation was used as a methodological strategy to broaden the understanding of the studied phenomenon. Identified that mothers perceived their personal and spiritual growth, found meaning and benefits in loss, did the changes in identity necessary to continue life. Also, they regain familiarity with their surroundings and was able to live authentically in everyday lives, enabling them to felt happy again. The results reaffirmed the bereavement process as a singular and individual experience, however, intensely permeated by social aspects, and mainly related to social and emotional support for coping with the bereavement. The study contributed to the understanding of the process of adaptation to bereavement through the occupational responses in maternal everyday life. Thus, depending on the form, purpose, and meaning of the occupational responses presented after to the death of the son, it was possible to categorize them into adaptive strategies that help the mother to adapt occupationally in everyday life. Besides, they support the reconstruction of meanings in response to bereavement and changes in everyday life and occupations. They also allow revisions about themselves, about desires, priorities, and the continuity of life in the world profoundly modified by the reality of the son's death. CONCLUSION: The occupational therapist, by identifying the elements of the bereavement adaptation process, assists the mothers in the reconstruction of the occupational meanings, in the encounter with the familiarity of the environment and in the accomplishment of the necessary changes for the continuity of life, repositioning in practical and emotional terms the absence of the deceased son in everyday life.
Etnografia de uma lei: o ensino de história e cultura afro-brasileira e indígena
(Universidade Federal de São Carlos, 2019-08-12)
Santos, Tamires Cristina dos
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Cohn, Clarice
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https://lattes.cnpq.br/1714080901123094
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https://lattes.cnpq.br/9141182153364129
The Law and Directives for the Brazilian Educational System (Lei de Diretrizes e Bases da Educação Nacional/LDB), promulgated on December 20, 1996, which establishes national educational guidelines for the contents of the curricula of the public and private schools network in Brazil, was amended by Law 10.639/2003 and subsequently by Law 11.645/2008, establishing respectively the obligation to teach and learn about the History and Culture of Afro-Brazilian, African and Indigenous Peoples of Brazil in Basic Education. This ethnographic research sought to establish a dialogue with different agents who, directly or indirectly, were part of the process that established the law 11.645. From the fieldwork carried out at SECADI / MEC with its Technicians in Educational Affairs, documents collected in the MEC, and conversations with Indigenous leaderships, the aim was to learn about different discourses and practices that are mobilized around the law.
Resolubilidade contínua e singularidades removíveis para a equação divergente
(Universidade Federal de São Carlos, 2019-08-12)
Biliatto, Victor Sandrin
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Moonens, Laurent
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https://lattes.cnpq.br/0480536204428583
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Picon, Tiago Henrique
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https://lattes.cnpq.br/7853908129934448
In this text we study some results obtained by Nguyen Cong Phuc and Monica Torres in the paper "Characterizations of the Existence and Removable Singularities of Divergence-measure Vector Fields" regarding the characterisation of solutions and removable singularities of the equation div F = u, where u is a measure and F is a continuous or Lp vector field. To perform this study, the text presents definitions and properties on divergence-measure vector fields, Hausdorff measures, Sobolev capacity and functions of bounded variation.