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- 3D bioprinting using tissue-derived bioinksPublication . Baptista, Camila Vilar; Palierse, Estelle3D bioprinting allows for the detailed creation of tissue-like structures using bioinks made from biomaterials and cells. Decellularized extracellular matrix (dECM), extracted from natural tissues, provides bioactivity that helps cells survive and respond specifically to the tissue. In this thesis, we decellularized pig skin to create a hydrogel at a concentration of 2.5 mg.ml-1. We tested it as a potential bioink for extrusion-based bioprinting. To check if the decellularization process was successful, we conducted biochemical assays. These tests showed that the key components of the extracellular matrix (ECM) were mostly preserved. The hydrogel showed shear-thinning behavior and gelation suitable for printing. However, its structural integrity was limited to two layers, which indicated weak mechanical stability. L929 fibroblasts remained alive and showed continued spreading at 24 hours and 72 hours. These results highlight the potential of porcine dECM bioinks and emphasize the need for strategies, such as biocompatible crosslinking, to enhance long-term mechanical support.
- O abuso de posição dominante no licenciamento de patentes essenciais a normasPublication . Duarte, Filipa Belo Morgado; Cunha, Sofia Oliveira PaisAs preocupações de natureza anticoncorrencial no âmbito do licenciamento de Patentes Essenciais a Normas (PEN) decorrem da característica de essencialidade inerente ao uso de tais patentes para a implementação de uma determinada norma técnica. A decisão jurisprudencial no caso Huawei v. ZTE representa uma mudança paradigmática, ao clarificar o papel do Direito da Concorrência, em particular o disposto no artigo 102.º do Tratado sobre o Funcionamento da União Europeia (TFUE), no contexto do licenciamento de PEN. Desde então, a Comissão Europeia tem empreendido esforços no sentido de regulamentar o processo de negociação do licenciamento destas patentes, considerando o complexo equilíbrio entre proporcionar uma remuneração justa aos titulares de patentes e evitar barreiras à entrada de novos concorrentes no mercado. Esta dissertação expõe os principais desafios, o caminho percorrido desde o caso Huawei v. ZTE e a proposta legislativa já avançada. Num volte-face inesperado, a Comissão Europeia comunicou recentemente a retirada da Proposta de Regulamento relativa a Patentes Essenciais a Normas. Tal decisão é um passo atrás, que reinstala uma incerteza jurídica indesejável e abre portas a condutas anticoncorrenciais.
- Accepting generative artificial intelligence in consulting services : an analysis of success factorsPublication . Herzog, Inessa; Lancastre, FilipaThe present study examines the success factors that influence the acceptance of Generative Artificial Intelligence (GenAI) among business consultants. While numerous research studies have developed and expanded models for general technology acceptance, there are still few studies that address the acceptance of GenAI in specific professional contexts such as the consulting industry. This work fills this research gap by developing a new model to investigate the acceptance factors of GenAI among business consultants. The model is based on established theories such as the Technology Acceptance Model (TAM), the Unified Theory of Acceptance and Use of Technology (UTAUT), and the Task-Technology Fit (TTF) model, which have been combined into a new conceptual framework. For empirical verification, a quantitative study was conducted with 147 business consultants to identify key success factors on the intention to use and acceptance of GenAI. The results show that the fit between technology and tasks (Task-Technology Fit, TTF), the expected performance improvement (Performance Expectancy, PE) and the Behavioural Intention (BI) play a crucial role in the acceptance of GenAI in the business consulting context. The study highlights the need amongst companies for targeted training, practical use cases, and a strategic integration of GenAI into existing workflows to promote sustainable acceptance. The results provide both theoretical and practical implications for consulting firms to support the successful implementation of GenAI
- Accounting for intangibles : the role of capitalized R&D in explaining market valuePublication . Mühlhäuser, Louis Otto Hanskarl; Pape, UlrichThis study investigates whether capitalizing research and development (R&D) expenditures enhances the value relevance of financial information in U.S. capital markets. While R&D is a key driver of firm innovation and long-term value, it is typically expensed under U.S. GAAP, limiting its visibility in financial statements. A standardized capitalization and amortization approach is applied to firm-level R&D data to assess its impact on the explanatory power of earnings–price regressions. Based on a panel of U.S. firms from 1994 to 2023, the analysis shows that capitalizing R&D consistently increases the informativeness of reported earnings, particularly in more recent years. The findings indicate that markets increasingly price R&D as an unrecognized asset and that failing to account for it distorts valuation signals. These findings contribute to ongoing debates in financial reporting and intangible valuation by providing long-run empirical evidence on the effects of R&D capitalization on the capital market. The results have implications for analysts, investors, and accounting standard setters, highlighting the need for more transparent treatment of intangible-related expenditures in financial reporting.
- Achilles and the future of data economy : building trust and financial viability for data protection and monetizationPublication . Forte, João Domingos Mesquita Patena; Xavier, RuteThis thesis explores the viability of Achilles, a privacy-tech startup that combines personal data protection with the option to monetize anonymized user data. While digital platforms profit immensely from personal information, most users remain unaware that their data has market value or that they could benefit from it directly. Achilles addresses this imbalance by offering privacy tools alongside monetization features, aiming to empower individuals in the data economy. To assess adoption potential, a mixed-methods approach was employed: a quantitative survey of 241 respondents (focused on the 174 under-30 segment), 40 qualitative interviews, and an A/B branding experiment were conducted. The study evaluates user willingness to monetize data, preferred compensation models, trust barriers, and effective branding and acquisition strategies. Results show that only 7.5% of young users would not install an app like Achilles. While trust remains a major barrier, referrals and transparent design significantly improve perceptions. Branding tests revealed that bold, modern design (Achilles) beats traditional, conservative branding (DataGuardian) even though it enhances trust. The findings suggest that Achilles can gain traction through referral marketing, trust-based partnerships, and educational content. With the right strategy, Achilles has the potential to transform users from passive data sources into active participants in the digital economy.
- Acidentes de trabalho em teletrabalhoPublication . Pina, Afonso Morais de Sousa; Costa, Ana Cristina RibeiroO desenvolvimento das tecnologias de informação e comunicação, exponencialmente acelerado pela necessidade de evitar fontes de contágio, na senda da pandemia de COVID-19, obrigou as empresas a adaptarem-se a esta nova realidade, tornando o teletrabalho numa modalidade atrativa e muito utilizada no panorama laboral. Apesar de o teletrabalho apresentar alguns benefícios tanto para empregadores, ao permitir a redução de custos operacionais, como para trabalhadores, ao facilitar a conciliação entre a vida profissional e pessoal, é inegável que a legislação em vigor não é capaz de responder aos desafios desta modalidade, em especial no que concerne a caracterização dos acidentes sofridos no contexto do teletrabalho. Nestes termos, com o presente trabalho, propomo-nos a abordar os diferentes conceitos que compõem o acidente de trabalho tradicional – nomeadamente o local de trabalho, o tempo de trabalho e o nexo causal – e a sua aplicação, adaptando-os à realidade do teletrabalho. Para tal, analisaremos doutrina e jurisprudência de outros ordenamentos jurídicos, na tentativa de identificar e dissecar as incompatibilidades que o atual regime de reparação de acidentes de trabalho apresenta. Adicionalmente, procuraremos, também, proporcionar uma perspetiva diferente da questão da privacidade, posta em crise pela obrigatoriedade do consentimento às visitas domiciliárias, e a eventual introdução de soluções alternativas, como a autorresponsabilização do teletrabalhador.
- Acordos intermédios : em especial, a sua relevância na negociação de contratos entre empresasPublication . Amaro, Ricardo Costa; Antunes, Ana Filipa dos Santos MoraisOs acordos intermédios são instrumentos de regulação e sistematização dos direitos e deveres das partes nas etapas preliminares da formação de um contrato entre empresas. Estes são celebrados num contexto de estratificação negocial, um modelo de formação negocial mais adequado às atuais exigências da contratação entre empresas. Estando em causa um produto da autonomia privada, os acordos intermédios podem caracterizar-se por conteúdos e designações muito diversos, em função do âmbito da vinculação que as respetivas partes outorgantes pretenderam assumir. Esta dissertação procurará analisar a importância dos acordos intermédios nas diferentes etapas de formação dos contratos entre empresas e precisar a sua eficácia vinculativa.
- Adaptation of artificial intelligence in marketing for the automotive industryPublication . Ohanisian, Jerar; Xavier, RuteThe automotive industry is experiencing a dynamic shift due to rapid environmental changes. Organizations are adopting innovative solutions to navigate these extreme shifts successfully. Since 2023, Nissan and several other organizations have adopted a new business model to change their approach to the market, hoping to have more connectivity with the customer. The new business model is being adopted in Sweden as a demo market to prove its sustainability and effectiveness in a sustainable market. This research explores the new business model in detail, focusing on how the organization is collecting and segmenting customer data and building the customer database. Most importantly, it explains how implementing Artificial intelligence and Big data will enhance this approach. Building big data infrastructure will offer various benefits, including <Velocity, Veracity, Value, Variety, Volume.= meanwhile, implementing article intelligence will increase the marketing effects, making it more effective, cost-efficient, and reliable. Furthermore, AI and big data will play a significant role in collecting customer data, building segmentation for target audience based on demographic, psychographic, and behavioral patterns, while also aligning the target audience taking into account the market shifts and evolving customer needs.
- Adapting to challenges : Sanner’s strategic journey through a period of crisesPublication . Hahn, Jakob; Cardeal, NunoThis dissertation examines the adaptive strategies introduced by the Sanner Group during a period of crises, including the climate crisis, the Covid-19 pandemic and the Russo-Ukrainian war, which illustrates the growing impact of such crises on corporate strategy development. Following a pedagogical research approach, the constructed case study examines how Sanner, global market leader for desiccant closures and effervescent tablet packaging, adapted to changing environments by exploiting dynamic capabilities. Extensive research was conducted to analyse the impact of the crises on the business and its strategic responses. Additional evidence was gathered through interviews with the company's management team, which offered insights into the internal processes driving adaptive strategies. The teaching notes provide a structured proposal for effective knowledge transfer, enabling instructors to enhance students' understanding of related theoretical concepts through application to the case example. The findings indicate that Sanner effectively recognized and interpreted external developments by continuously monitoring the macroeconomic environment. Based on this, the company was able to take timely strategic action and leverage valuable resources and capabilities, facilitated by its organizational adaptability. As a result, Sanner not only managed the immediate crises successfully, but also engaged in a strategic renewal, which improved the company's resilience and competitiveness. The work thus highlights the critical role of dynamic capabilities in mitigating the adverse effects of crises and achieving long-term organizational success.
- Adoção de inteligência artificial em empresas portuguesas : estudo de caso com Augusta LabsPublication . Silva, Inês Sousa e; Andrade, António Manuel Valente deA Inteligência Artificial está a transformar o mundo empresarial, evidenciando um elevado potencial para gerar valor significativo nas organizações. No entanto, barreiras à sua adoção e implementação continuam persistentes. Em Portugal, estas limitações são evidentes, dada a menor maturidade do ecossistema de IA face a outros contextos internacionais. Neste cenário, a terceirização de serviços de IA, com recurso a fornecedores especializados, surge como uma estratégia capaz de ultrapassar as dificuldades e impulsionar a criação de valor nas empresas. A presente dissertação de mestrado pretende responder a duas questões de investigação: (1) Como a terceirização de IA contribui para a geração de valor nas empresas? (2) Quais as tecnologias de IA adotadas por empresas portuguesas e em que contextos organizacionais são implementadas? Para este propósito, foi realizado um estudo de caso com a Augusta Labs, uma startup portuguesa especializada em soluções de IA. Recorreu-se a entrevistas com o seu cofundador, uma semiestruturada e uma estruturada, e a fontes de dados secundários da empresa. Este estudo conclui que a adoção de IA em empresas portuguesas é mais comum entre grandes organizações com maior maturidade digital, que integram a IA na sua estratégia. As tecnologias de GenAI, combinadas com NLP, são as mais utilizadas, especialmente para melhorar a interação entre humanos e máquinas. A terceirização de serviços de IA constitui uma solução eficaz para as empresas superarem barreiras à adoção de IA, permitindo às empresas reduzir custos e acelerar a implementação da tecnologia.