Efectos Visuales de las Aceleraciones Positivas Simulados por Ordenador

El artículo describe la simulación por ordenador digital de los efectos visuales en el organismo humano sometido a aceleraciones prositivas en sentido craneocaudal. Los resultados obtenidos posibilitan la utilización de un método complementario para la evaluación de la tolerancia a las aceleraciones positivas.

Aplicações de QCM, EIS e SPR na investigação de superfícies e interfaces para o desenvolvimento de (bio)sensores

The use of the quartz crystal microbalance process, electrochemical impedance spectroscopy and surface plasmon resonance for characterizing thin films and monitoring interfaces is presented. The theorical aspects of QCM, EIS and SPR are introduced and the main application areas are outlined. Future prospects of the combined applications of QCM, EIS and SPR methods in the studies of interfacial processes at surfaces are also discussed.

Interfaces e organização da pesquisa no Brasil: da Química à Nanotecnologia

Nanotechnology can be viewed as a powerful tool, capable of shaping the chemistry of atoms and molecules, converting them into exciting nanosized and nanostructured materials, devices and machines. However, in pursuing this task, an exceptional ability is required to deal with complex inter- and multidisciplinary approaches, as imposed by the nanoscale. A new research organization framework, capable of promoting cooperative interactions in many complementary areas, including the industries, is demanded. In this sense, an interesting example are the nanotechnology networks and millenium institutes recently created in Brazil. The highlights and weakness of such cooperative research networks are discussed, in addition to relevant nanotechnology themes focusing on the special needs and resources from the developing nations.

Interfaces com a indústria

Brazilian chemical industries face several problems regarding Research, Development and Innovation (RDI). The present paper shows that simple cooperation between chemical industries and university laboratories can be a way to overcome some of the present difficulties. The work carried out at LABOCAT has several industrial interfaces. It involves, among other areas of RDI, the development of anti-HIV-protease (and other virus-related-protease) drugs, the establishment of new (industrial) chemical processes and the implementation of industrial (biodiesel and related) plants. A model based on the present so called RHAE programme is proposed in which, parallel to the fellowship awards of this programme, financing participation of Brazilian Agencies would cover process development.

A indústria de processamento químico no Brasil: suas motivações para pesquisa e desenvolvimento e suas interfaces com as políticas governamentais

As the Chemical Science is an experimental one a Chemical Industry require technical people in all its staff level: from Directors and Managers to Operators. This chemical and chemical engineering based education is the foundation of the innovate process and motivation. The paper discusses this and the role of Public Policies to improve the R&D and innovation in the Brazilian Chemical Industry.

GPRS/EDGE Session Tracing and Analysis in Abis and AGPRS Interfaces

Efficient problem solving in cellular networks is important when enhancing the network performance and liability. Analysis of calls and packet switched sessions in protocol level between the network elements is an important part of this process. They can provide very detailed information about error situations which otherwise would be difficult to recognise. In this thesis we seek solutions for monitoring GPRS/EDGE sessions in two specific interfaces simultaneously in such manner that all information important to the users will be provided in easily understandable form. This thesis focuses on Abis and AGPRS interfaces of GSM radio network and introduces a solution for managing the correlation between these interfaces by using signalling messages and common parameters as linking elements. ~: Finally this thesis presents an implementation of GPRS/EDGE session monitoring application for Abis and AGPRS interfaces and evaluates its benefits to the end users. Application is implemented as a part of Windows based 3G/GSM network analyser.

Brain-Computer Interfaces, Virtual Reality, and Videogames

Major challenges must be tackled for brain-computer interfaces to mature into an established communications medium for VR applications, which will range from basic neuroscience studies to developing optimal peripherals and mental gamepads and more efficient brain-signal processing techniques.

De interfaces tecnológicas e rascunhos de experiências

Discutem-se os efeitos de Internet sem fio, câmeras de vigilância, telas enormes de televisão em estações de metrô e tocadores de mp3 sobre a freqüentação dos espaços públicos, por meio da análise de alguns resultados do uso desses aparatos no cotidiano (e mesmo nas estratégias de planejamento) das cidades. Quando à experimentação do espaço arquitetônico (visível) faz-se somar uma rede (invisível) reconfiguradora de relações individuais e coletivas com os lugares, e o conceito de participação chega a uma condição limítrofe, exigindo perguntar até que ponto a materialidade da arquitetura é um componente necessário à transformação da experiência que está em curso.

O núcleo de estudos em Filosofia e Saúde da Fundação Educacional Serra dos Órgãos: interfaces na formação médica

Nos últimos anos, inúmeros problemas surgiram na área da saúde em decorrência, sobretudo, dos avanços ocorridos no campo das biotecnociências. Percebendo-se a exigüidade de espaço, no atual currículo médico, para a discussão de muitas dessas questões, alunos e professores da Fundação Educacional Serra dos Órgãos (FESO) propuseram a criação do Núcleo de Estudos em Filosofia e Saúde (NEFISA), espaço destinado a fomentar o debate, o ensino e a pesquisa sobre os assuntos que tenham sua emergência na interface da Filosofia com a Medicina e a Saúde. O escopo do presente artigo é apresentar o trabalho desenvolvido no NEFISA-FESO.

Meio ambiente e saúde no Programa PET-Saúde: interfaces na atenção básica

A degradação ambiental vem modificando nosso cenário de forma acelerada, interferindo negativamente no processo saúde-doença. É essencial discutir a temática saúde ambiental com profissionais de saúde, sendo o Programa PET-Saúde um facilitador, e as unidades de Estratégia de Saúde da Família (ESF) um excelente cenário. Propõe-se analisar a percepção de profissionais de saúde e usuários sobre a temática em duas unidades de ESF (Botucatu/SP) e sensibilizá-los por meio de discussões teóricas e vivências. Foram entrevistados 45 profissionais e 36 usuários, sendo 21 indicados pelos agentes comunitários de saúde como tendo boa relação com o meio ambiente e 15 indicados por não apresentarem boa relação com o mesmo. Aplicou-se o referencial da metodologia qualitativa, utilizando-se o Discurso do Sujeito Coletivo. Todos demonstraram ter consciência dos problemas ambientais e de saúde e o que poderia ser feito para melhorar a situação, mas são raras as ações realizadas nas unidades. Reforça-se a necessidade de capacitar equipes em Saúde Ambiental, estimulando a adoção de práticas transdisciplinares que superem as práticas assistencialistas e caminhem no sentido da promoção, além de empoderar a população para lutar e ser responsável por um meio ambiente mais equilibrado, melhorando a qualidade de vida.

Research and development of III-V semiconductor surfaces for improved device interfaces

This thesis is devoted to understanding and improving technologically important III-V compound semiconductor (e.g. GaAs, InAs, and InSb) surfaces and interfaces for devices. The surfaces and interfaces of crystalline III-V materials have a crucial role in the operation of field-effect-transistors (FET) and highefficiency solar-cells, for instance. However, the surfaces are also the most defective part of the semiconductor material and it is essential to decrease the amount of harmful surface or interface defects for the next-generation III-V semiconductor device applications. Any improvement in the crystal ordering at the semiconductor surface reduces the amount of defects and increases the material homogeneity. This is becoming more and more important when the semiconductor device structures decrease to atomic-scale dimensions. Toward that target, the effects of different adsorbates (i.e., Sn, In, and O) on the III-V surface structures and properties have been investigated in this work. Furthermore, novel thin-films have been synthesized, which show beneficial properties regarding the passivation of the reactive III-V surfaces. The work comprises ultra-high-vacuum (UHV) environment for the controlled fabrication of atomically ordered III-V(100) surfaces. The surface sensitive experimental methods [low energy electron diffraction (LEED), scanning tunneling microscopy/spectroscopy (STM/STS), and synchrotron radiation photoelectron spectroscopy (SRPES)] and computational density-functionaltheory (DFT) calculations are utilized for elucidating the atomic and electronic properties of the crucial III-V surfaces. The basic research results are also transferred to actual device tests by fabricating metal-oxide-semiconductor capacitors and utilizing the interface sensitive measurement techniques [capacitance voltage (CV) profiling, and photoluminescence (PL) spectroscopy] for the characterization. This part of the thesis includes the instrumentation of home-made UHV-compatible atomic-layer-deposition (ALD) reactor for growing good quality insulator layers. The results of this thesis elucidate the atomic structures of technologically promising Sn- and In-stabilized III-V compound semiconductor surfaces. It is shown that the Sn adsorbate induces an atomic structure with (1×2)/(1×4) surface symmetry which is characterized by Sn-group III dimers. Furthermore, the stability of peculiar ζa structure is demonstrated for the GaAs(100)-In surface. The beneficial effects of these surface structures regarding the crucial III-V oxide interface are demonstrated. Namely, it is found that it is possible to passivate the III-V surface by a careful atomic-scale engineering of the III-V surface prior to the gate-dielectric deposition. The thin (1×2)/(1×4)-Sn layer is found to catalyze the removal of harmful amorphous III-V oxides. Also, novel crystalline III-V-oxide structures are synthesized and it is shown that these structures improve the device characteristics. The finding of crystalline oxide structures is exploited by solving the atomic structure of InSb(100)(1×2) and elucidating the electronic structure of oxidized InSb(100) for the first time.

A SOA-based Framework for Multi-Devices and Multi-Platform User Interfaces

This thesis reports investigations on applying the Service Oriented Architecture (SOA) approach in the engineering of multi-platform and multi-devices user interfaces. This study has three goals: (1) analyze the present frameworks for developing multi-platform and multi-devices applications, (2) extend the principles of SOA for implementing a multi-platform and multi-devices architectural framework (SOA-MDUI), (3) applying and validating the proposed framework in the context of a specific application. One of the problems addressed in this ongoing research is the large amount of combinations for possible implementations of applications on different types of devices. Usually it is necessary to take into account the operating system (OS), user interface (UI) including the appearance, programming language (PL) and architectural style (AS). Our proposed approach extended the principles of SOA using patterns-oriented design and model-driven engineering approaches. Synthesizing the present work done in these domains, this research built and tested an engineering framework linking Model-driven Architecture (MDA) and SOA approaches to developing of UI. This study advances general understanding of engineering, deploying and managing multi-platform and multi-devices user interfaces as a service.

Adopting the Vaadin Java framework to rebuild VTT’s Web Interfaces and Database Applications

With the growth in new technologies, using online tools have become an everyday lifestyle. It has a greater impact on researchers as the data obtained from various experiments needs to be analyzed and knowledge of programming has become mandatory even for pure biologists. Hence, VTT came up with a new tool, R Executables (REX) which is a web application designed to provide a graphical interface for biological data functions like Image analysis, Gene expression data analysis, plotting, disease and control studies etc., which employs R functions to provide results. REX provides a user interactive application for the biologists to directly enter the values and run the required analysis with a single click. The program processes the given data in the background and prints results rapidly. Due to growth of data and load on server, the interface has gained problems concerning time consumption, poor GUI, data storage issues, security, minimal user interactive experience and crashes with large amount of data. This thesis handles the methods by which these problems were resolved and made REX a better application for the future. The old REX was developed using Python Django and now, a new programming language, Vaadin has been implemented. Vaadin is a Java framework for developing web applications and the programming language is extremely similar to Java with new rich components. Vaadin provides better security, better speed, good and interactive interface. In this thesis, subset functionalities of REX was selected which includes IST bulk plotting and image segmentation and implemented those using Vaadin. A code of 662 lines was programmed by me which included Vaadin as the front-end handler while R language was used for back-end data retrieval, computing and plotting. The application is optimized to allow further functionalities to be migrated with ease from old REX. Future development is focused on including Hight throughput screening functions along with gene expression database handling

Sincronización del electroencefalograma en respuesta a estímulos visuales coloreados

Tesis (Maestría en Ciencias con Especialidad en Fisiología Medica) UANL

La percepción social de la comunidad académica y estudiantil en el proceso de comunicación y aprendizaje en la tutoría: caso Facultad de Artes Visuales de la Universidad Autónoma de Nuevo León.

Tesis (Maestría en Ciencias de la Comunicación con acentuación en Nuevas Tecnologías) UANL, 2014.