927 resultados para Development strategy


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RESUMO: O Líbano é um pequeno país na costa leste do Mar Mediterrâneo, com uma população de aproximadamente 4.350.000 pessoas, incluindo 1,5 milhões de refugiados, 400 mil dos quais são palestinos atendidos pela UNRWA (Agência das Nações Unidas de Socorro aos Refugiados da Palestina) (UNHCR, 2013; OMS, 2010a). Desde 2012, um excedente de 1.000.000 refugiados sírios cruzaram a fronteira com o Líbano, representando um aumento populacional de aproximadamente 25%. Além disso, entre 1975 e 1990, a violenta guerra civil pela qual o Líbano passou, destruiu grande parte da infra-estrutura do país, incluindo os serviços de saúde. O sector da saúde, mais especificamente os serviços de saúde mental, é majoritariamente privado. Serviços especializados em Saúde Mental estão disponíveis em três hospitais psiquiátricos privados, e em 4 unidades psiquiátricas de hospitais gerais, que estão localizados centralmente em torno da capital, Beirute. O Líbano é um dos dois únicos países da região que não tem uma Política de Saúde Mental e um dos seis países que não têm uma Legislação em Saúde Mental. Nos últimos anos, a Saúde Mental está sendo colocada no topo da agenda nacional, apesar das contínuas questões políticas e de segurança. Baseando-se nas informações acima, um projecto de estratégia em Saúde Mental, conduzido pelo Ministério da Saúde e apoiado pela OMS, foi escrito para servir como um guia para trabalhar em diferentes aspectos relacionados tanto em saúde mental quanto em organização dos serviços, revisão de legislação, financiamento e proteção dos direitos humanos básicos dos usuários do serviço. Esta tese descreve o processo pelo qual o projecto de estratégia nacional de Saúde Mental foi desenvolvido, seus principais componentes, os próximos passos a serem tomados para a sua implementação, os desafios e as oportunidades para implementá-lo e propõe alguns passos iniciais a serem tomados em primeiro lugar.----------ABSTRACT: Lebanon is a small country on the eastern shore of the Mediterranean Sea with a population of approximately 4,350,000 including 1,500,000 refugees, 400,000 of whom are Palestinians served by UNRWA (the United Nations Relief and Works Agency for Palestine Refugees) (UNHCR, 2013; WHO, 2010a). Since 2012 an excess of 1,000,000 Syrian refugees have crossed the border into Lebanon accounting for approximately 25% increase in the population. In addition, from 1975 to 1990 Lebanon underwent a violent civil war that had also destroyed much of the country infrastructure including health services. The health sector, more so the mental health services, is mostly private. Specialized Mental Health services are available at three private mental hospitals, and 4 psychiatric units within general hospitals, which are located centrally around the capital, Beirut. Lebanon is one of only two countries of the region that does not have a Mental Health policy and one out of the six countries that does not have a Mental Health legislation. In recent years, Mental Health is getting placed higher on the national agenda despite the ever continuing political and security issues. Based on the above, A Mental Health strategy draft, lead by the Ministry of Health and supported by WHO, was written to serve as a guide to work on different aspects related to Mental Health from service organization, to the revision of legislation, financing and the protection of the basic human rights of service users. This thesis describes the process through which the national Mental Health draft strategy was developed, its main components, the next steps to be taken for its implementation, the challenges and the opportunities to implementing it and proposes a few initial steps to be taken first.

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A foremost dispute that persists on the contemporary world’s agenda is change. The on-going social/technological/economic changes create a competitive and challenging environment for companies to endure. To benefit from these changes, world economies partially depend on emerging Small and Medium Enterprises (SMEs) and their adaptability skills, and subsequently the development of an integrated capability to innovate has become the prime strategy for most of SMEs to subsist and grow. However, innovation and change are always somewhat bonded to an inherent risk development, which subsequently brings on the necessity of a revision of risk management approaches in innovative processes, whose importance SMEs tend to disregard. Additionally, little efforts have been made to improve and create empirical models, metrics and tools to assist SMEs managing latent risks in their innovative projects. This work seeks to present and discuss a solution to support SMEs in engaging on systematic risk management practices, which consists on an integrated risk assessment and response support web-based tool - Spotrisk® - designed for SMEs. On the other hand, an inherent subjectivity is linked with risk management and identification processes, due to uncertainty trait of its nature, for each individual perceives situations according to his own idiosyncrasy, which brings complications in normalizing risk profiles and procedures. This essay aims to bring insights concerning the support in decision-making processes under uncertainty, by addressing issues related with the risk behavior character among individuals. To address such issues, subjects of neuroscience or psychology are explored and models to identify such character are proposed, as well as models to improve presented tool. This work attempts to go beyond the restrictive aim of endeavoring on technical improvement dissertation, and in embraces an exploratory conceptualization concerning micro, small and medium businesses’ traits regarding risk characters and project risk assessment tools.

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The development of human cell models that recapitulate hepatic functionality allows the study of metabolic pathways involved in toxicity and disease. The increased biological relevance, cost-effectiveness and high-throughput of cell models can contribute to increase the efficiency of drug development in the pharmaceutical industry. Recapitulation of liver functionality in vitro requires the development of advanced culture strategies to mimic in vivo complexity, such as 3D culture, co-cultures or biomaterials. However, complex 3D models are typically associated with poor robustness, limited scalability and compatibility with screening methods. In this work, several strategies were used to develop highly functional and reproducible spheroid-based in vitro models of human hepatocytes and HepaRG cells using stirred culture systems. In chapter 2, the isolation of human hepatocytes from resected liver tissue was implemented and a liver tissue perfusion method was optimized towards the improvement of hepatocyte isolation and aggregation efficiency, resulting in an isolation protocol compatible with 3D culture. In chapter 3, human hepatocytes were co-cultivated with mesenchymal stem cells (MSC) and the phenotype of both cell types was characterized, showing that MSC acquire a supportive stromal function and hepatocytes retain differentiated hepatic functions, stability of drug metabolism enzymes and higher viability in co-cultures. In chapter 4, a 3D alginate microencapsulation strategy for the differentiation of HepaRG cells was evaluated and compared with the standard 2D DMSO-dependent differentiation, yielding higher differentiation efficiency, comparable levels of drug metabolism activity and significantly improved biosynthetic activity. The work developed in this thesis provides novel strategies for 3D culture of human hepatic cell models, which are reproducible, scalable and compatible with screening platforms. The phenotypic and functional characterization of the in vitro systems performed contributes to the state of the art of human hepatic cell models and can be applied to the improvement of pre-clinical drug development efficiency of the process, model disease and ultimately, development of cell-based therapeutic strategies for liver failure.

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Quinta dos Termos, a Portuguese winery, currently faces the need to expand internationally due to difficulties in distributing its current production in Portugal. This work project will analyze the firm’s characteristics, its development in the Portuguese market and the value proposition it offers. A market analysis will also be performed prior to evaluating the internationalization need of Quinta dos Termos. The Canadian market will be assessed as an opportunity to expand internationally by evaluating factors supporting that strategy; namely the market attractiveness, the most adequate implementation plan and a competitive analysis to better understand the success expectations in the market.

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In recent years it has been noticed the progressive disappearance of vernacular sustainable building technologies all over the world mainly due to a strong urban rehabilitation process with modern technologies not compatible with ancient knowledge. Simultaneously new dwellings are needed all over the world and in this sense it was decided to study an ecological and cost-controlled building technology of monolithic walls that can combine the use of low carbon footprint materials, such as earth, fibres and lime using an invasive species: giant reed cane (Arundo Donax). This paper explains the development of this building technology through testing diverse prototypes.

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Conventional molecular techniques for detection and characterization of relevant nucleic acid (i.e. DNA) sequences are, nowadays, cumbersome, expensive and with reduced portability. The main objective of this dissertation consisted in the optimization and validation of a fast and low-cost colorimetric nanodiagnostic methodology for the detection of single nucleotide polymorphisms (SNPs). This was done considering SNPs associated to obesity of commercial interest for STAB VIDA, and subsequent evaluation of other clinically relevant targets. Also, integration of this methodology into a microfluidic platform envisaging portability and application on points-of-care (POC) was achieved. To warrant success in pursuing these objectives, the experimental work was divided in four sections: i) genetic association of SNPs to obesity in the Portuguese population; ii) optimization and validation of the non-cross-linking approach for complete genotype characterization of these SNPs; iii) incorporation into a microfluidic platform; and iv) translation to other relevant commercial targets. FTO dbSNP rs#:9939609 carriers had higher body mass index (BMI), total body fat mass, waist perimeter and 2.5 times higher risk to obesity. AuNPs functionalized with thiolated oligonucleotides (Au-nanoprobes) were used via the non-cross-linking to validate a diagnostics approach against the gold standard technique - Sanger Sequencing - with high levels of sensitivity (87.50%) and specificity (91.67%). A proof-of-concept POC microfluidic device was assembled towards incorporation of the molecular detection strategy. In conclusion a successful framework was developed and validated for the detection of SNPs with commercial interest for STAB VIDA, towards future translation into a POC device.

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This work project explores how a male luxury (fashion) brand (subsidiary) that is associated with a luxury car brand (parent company) should develop its communication strategy in order to increase awareness in Europe. For this purpose a quantitative research was conducted. The aim was to find out whether the company in question had low brand awareness among European luxury consumers. Hereafter, a qualitative research revealed important insights in regard to luxury communication among male luxury consumers. Both the results of the research and the recommendations of luxury experts laid the foundation for the development of a solution-oriented communication strategy. The result of the analysis crystallizes the importance of the shared heritage and the synergistic effects, of which the subsidiary should make vast use when communicating.

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Neurological disorders are a major concern in modern societies, with increasing prevalence mainly related with the higher life expectancy. Most of the current available therapeutic options can only control and ameliorate the patients’ symptoms, often be-coming refractory over time. Therapeutic breakthroughs and advances have been hampered by the lack of accurate central nervous system (CNS) models. The develop-ment of these models allows the study of the disease onset/progression mechanisms and the preclinical evaluation of novel therapeutics. This has traditionally relied on genetically engineered animal models that often diverge considerably from the human phenotype (developmentally, anatomically and physiologically) and 2D in vitro cell models, which fail to recapitulate the characteristics of the target tissue (cell-cell and cell-matrix interactions, cell polarity). The in vitro recapitulation of CNS phenotypic and functional features requires the implementation of advanced culture strategies that enable to mimic the in vivo struc-tural and molecular complexity. Models based on differentiation of human neural stem cells (hNSC) in 3D cultures have great potential as complementary tools in preclinical research, bridging the gap between human clinical studies and animal models. This thesis aimed at the development of novel human 3D in vitro CNS models by integrat-ing agitation-based culture systems and a wide array of characterization tools. Neural differentiation of hNSC as 3D neurospheres was explored in Chapter 2. Here, it was demonstrated that human midbrain-derived neural progenitor cells from fetal origin (hmNPC) can generate complex tissue-like structures containing functional dopaminergic neurons, as well as astrocytes and oligodendrocytes. Chapter 3 focused on the development of cellular characterization assays for cell aggregates based on light-sheet fluorescence imaging systems, which resulted in increased spatial resolu-tion both for fixed samples or live imaging. The applicability of the developed human 3D cell model for preclinical research was explored in Chapter 4, evaluating the poten-tial of a viral vector candidate for gene therapy. The efficacy and safety of helper-dependent CAV-2 (hd-CAV-2) for gene delivery in human neurons was evaluated, demonstrating increased neuronal tropism, efficient transgene expression and minimal toxicity. The potential of human 3D in vitro CNS models to mimic brain functions was further addressed in Chapter 5. Exploring the use of 13C-labeled substrates and Nucle-ar Magnetic Resonance (NMR) spectroscopy tools, neural metabolic signatures were evaluated showing lineage-specific metabolic specialization and establishment of neu-ron-astrocytic shuttles upon differentiation. Chapter 6 focused on transferring the knowledge and strategies described in the previous chapters for the implementation of a scalable and robust process for the 3D differentiation of hNSC derived from human induced pluripotent stem cells (hiPSC). Here, software-controlled perfusion stirred-tank bioreactors were used as technological system to sustain cell aggregation and dif-ferentiation. The work developed in this thesis provides practical and versatile new in vitro ap-proaches to model the human brain. Furthermore, the culture strategies described herein can be further extended to other sources of neural phenotypes, including pa-tient-derived hiPSC. The combination of this 3D culture strategy with the implemented characterization methods represents a powerful complementary tool applicable in the drug discovery, toxicology and disease modeling.

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Internationalization is becoming an essential factor for today’s society, determinant for the development not only for individuals but also for Higher Education Institutions. This dissertation aims to advise Nova SBE on how to attract Canadian students. It will also help to understand the current trends and students’ behaviors on studying abroad and based on that provide different. For this to become possible, it was developed a qualitative research in order to understand the main insights on what makes Canadian students to study abroad. The biggest obstacle for students studying abroad is the lack of financial funds, which makes scholarships a requirement for students to consider this possibility. In what concerns the study of Nova SBE, it was mentioned that there is a lack of attention and care by the faculty staff in order to help the students integrate in the university and the city.

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Tese de Doutoramento em Ciências da Saúde

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Tese de Doutoramento em Biologia Molecular e Ambiental (área de especialização em Biologia Celular e Saúde).

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Tese de Doutoramento em Engenharia Civil

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Tese de Doutoramento em Biologia Molecular e Ambiental - Especialidade em Biologia Celular e Saúde

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Dissertação de mestrado em Bioengenharia