204 research outputs found

    The COVID-19 pandemic and the growing need to train engineers aligned to the sustainable development goals

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    © 2020, Emerald Publishing Limited. Purpose: Considering the requirements of sustainable development regarding professionals training and the challenges evidenced during Coronavirus disease (COVID-19) pandemic, this study aims to contribute to the debates regarding the need to insert sustainability into engineering education in the current context. Design/methodology/approach: For this, the literature about sustainability in engineering education was considered, and the need for sustainability insertion in the context of the COVID-19 pandemic was debated. It is important to emphasize that this debate was based on the authors’ experience regarding sustainability research and teaching. Findings: The current moment unveiled companies’ financial management problems, constantly evidenced by media. In this sense, the interest of engineering students in business management may lead them to believe that companies’ survival depends only on financial aspects, neglecting environmental and social aspects. This study is characterized as a reminder to academic staff in the field of engineering to continue valuing the principles of sustainable development with their students during the COVID-19 pandemic. Originality/value: The need to make engineering students understand the importance of social projects in the current period is emphasized. The training of professionals to consider all the sustainability aspects even during crisis moments is evidenced now and should be used as a learning lesson for the future

    Evaluation of lean practices in warehouses: an analysis of Brazilian reality

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    © 2020, Emerald Publishing Limited. Purpose: This article aims to investigate the most applied lean warehouse practices in Brazilian warehouses. Design/methodology/approach: To perform this research, three phases were conducted: a literature review, a multiple case study, and an analysis of lean warehouses practices implementation by an engineering committee. Thus, both qualitative and quantitative approaches were used. Additionally, the study has an applied nature, with an exploratory and descriptive character. Findings: Results showed that regardless of the type of criterion used, the most implanted practices are those that do not involve investments in technology. On the other hand, practices like RFID and Cross Docking systems were not found in any of the operations, which shows numerous possibilities for improvement. Originality/value: The main contribution of this article is to initiate a debate about the management and productivity of Brazilian warehouses, a theme still little explored by the academic community despite the importance that the logistic scenario represents for Brazil as an emerging country and leader in Latin America, participating actively in several global supply chains

    Critical analysis of organizational change process: evidences from a steel company

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    © 2020, Emerald Publishing Limited. Purpose: The purpose of this paper is to evaluate the main factors that influence the organizational change in a steel company. Design/methodology/approach: The methodological procedures used were literature review and survey. The literature review allowed the listing of 24 factors and these factors were grouped into three constructs (Behavioral Aspects, Cultural Aspects and Management Aspects). The survey allowed the quantification of each factor based on information provided by employees who work in the mentioned company. The data collected were analyzed using the Partial Least Squares-Structural Equation Modeling technique. Findings: For the Behavioral Aspects, the following factors were validated: fear of the unknown; insecurity and anxiety; stress and feeling of suffering. For the Cultural Aspects the following factors were validated: multiculturalism in the company; low degree of risk acceptance and low performance acceptance; excessive concerns about consensus. Finally, for the Management Aspects, the following factors were validated: lack of clarity in communications; lack of alignment of goals; lack of leadership engagement. Originality/value: The results are valuable for the company studied and for other managers interested in subject. The findings presented here can broaden the debate about this topic and contribute with professionals that wish to evaluate the mentioned factors

    Searching for sterile neutrinos in ice

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    Oscillation interpretation of the results from the LSND, MiniBooNE and some other experiments requires existence of sterile neutrino with mass 1\sim 1 eV and mixing with the active neutrinos Uμ02(0.020.04)|U_{\mu 0}|^2 \sim (0.02 - 0.04). It has been realized some time ago that existence of such a neutrino affects significantly the fluxes of atmospheric neutrinos in the TeV range which can be tested by the IceCube Neutrino Observatory. In view of the first IceCube data release we have revisited the oscillations of high energy atmospheric neutrinos in the presence of one sterile neutrino. Properties of the oscillation probabilities are studied in details for various mixing schemes both analytically and numerically. The energy spectra and angular distributions of the νμ\nu_\mu-events have been computed for the simplest νs\nu_s-mass, and νsνμ\nu_s - \nu_\mu mixing schemes and confronted with the IceCube data. An illustrative statistical analysis of the present data shows that in the νs\nu_s-mass mixing case the sterile neutrinos with parameters required by LSND/MiniBooNE can be excluded at about 3σ3\sigma level. The νsνμ\nu_s- \nu_\mu mixing scheme, however, can not be ruled out with currently available IceCube data.Comment: 41 pages, 16 figures. Accepted for publication in JHEP. Minor changes from the previous versio

    Specific isoforms of the ubiquitin ligase gene <em>WWP2 </em>are targets of osteoarthritis genetic risk via a differentially methylated DNA sequence

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    Background Transitioning from a genetic association signal to an effector gene and a targetable molecular mechanism requires the application of functional fine-mapping tools such as reporter assays and genome editing. In this report, we undertook such studies on the osteoarthritis (OA) risk that is marked by single nucleotide polymorphism (SNP) rs34195470 (A &gt; G). The OA risk-conferring G allele of this SNP associates with increased DNA methylation (DNAm) at two CpG dinucleotides within WWP2. This gene encodes a ubiquitin ligase and is the host gene of microRNA-140 (miR-140). WWP2 and miR-140 are both regulators of TGFβ signaling. Methods Nucleic acids were extracted from adult OA (arthroplasty) and foetal cartilage. Samples were genotyped and DNAm quantified by pyrosequencing at the two CpGs plus 14 flanking CpGs. CpGs were tested for transcriptional regulatory effects using a chondrocyte cell line and reporter gene assay. DNAm was altered using epigenetic editing, with the impact on gene expression determined using RT-qPCR. In silico analysis complemented laboratory experiments. Results rs34195470 genotype associates with differential methylation at 14 of the 16 CpGs in OA cartilage, forming a methylation quantitative trait locus (mQTL). The mQTL is less pronounced in foetal cartilage (5/16 CpGs). The reporter assay revealed that the CpGs reside within a transcriptional regulator. Epigenetic editing to increase their DNAm resulted in altered expression of the full-length and N-terminal transcript isoforms of WWP2. No changes in expression were observed for the C-terminal isoform of WWP2 or for miR-140. Conclusions As far as we are aware, this is the first experimental demonstration of an OA association signal targeting specific transcript isoforms of a gene. The WWP2 isoforms encode proteins with varying substrate specificities for the components of the TGFβ signaling pathway. Future analysis should focus on the substrates regulated by the two WWP2 isoforms that are the targets of this genetic risk

    Technological innovation management: understanding difficulties in an emerging country to enhance manufacturers performance

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    Purpose: This study aims to discuss the difficulties faced by two large Brazilian industrial companies in technological innovation management. Design/methodology/approach: Initially, a literature review is carried out using meta-synthesis technique to consolidate an expanded and detailed framework that complemented and dialoged with the difficulties presented by Oslo Manual. The difficulties presented in this framework were used as an instrument to conduct two case studies. Findings: There were several findings, especially the adherence to the structured framework and the identification of short-term management and inflexibility of the regulatory environment as relevant difficulties for both companies. Originality/value: The understanding of these difficulties can contribute to optimizing manufacturers performance in innovation processes. Although only two companies were analyzed, their magnitude and relevance in the sectors they belong to should be highlighted. The information presented here can greatly contribute to expanding the debates about the management of innovation by companies in emerging countries

    Business models towards SDGs: the barriers for operationalizing Product-Service System (PSS) in Brazil

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    © 2020 Informa UK Limited, trading as Taylor & Francis Group. Sustainable development requires the creation and development of new business models. Sharing economy will maximize the use of a product by several people, while it enables the reduction of natural resource consumption. In this sense, Product-Service Systems (PSS) can greatly contribute to achieving the Sustainable Development Goals, published by the United Nations. In this context, the present study aims to analyse the barriers associated with the operationalization of PSS business models in Brazil. Nineteen barriers listed in the literature supported a questionnaire used in a survey of Brazilian researchers. Data analysis was performed through Hierarchical Cluster Analysis, descriptive statistics and TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution). TOPSIS is used for comparative ordering of barriers in terms of intensity. The results showed that there are many barriers observed in the Brazilian scenario for the operationalization of PSS; those related to the resistance to change to the mentioned business models and the lack of necessary skills to manage them stood out. These findings can be used to enhance the debates about PSS in the Brazilian context

    Brazilian logistics practitioners' perceptions on sustainability: an exploratory study

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    © 2020, Emerald Publishing Limited. Purpose: Confronting globalization, logistics systems need to achieve greater efficiency in processes to be competitive. Competitiveness is not related only to economic aspects; companies need to perform their activities aligned to the triple bottom line concept. In this context, the main objective of this research is to analyze how Brazilian professionals think about sustainable logistics through an exploratory study. Design/methodology/approach: A set of 33 indicators, compiled from a literature review, was used to develop a research instrument applied in a survey of 50 professionals working with logistics processes in Brazilian companies. First, the Cronbach's alpha was run to verify the questionnaire reliability. Respondents were grouped through cluster hierarchical analysis, and their answers were analyzed through TOPSIS technique. Findings: The results from the sample analysis showed that Brazilian professionals think in the three dimensions of TBL when considering sustainable logistics systems; however, social aspects are relegated to a second level of importance when compared with environmental and economic indicators. In addition, it is possible to highlight that most important environmental aspects are directly related to economic objectives. Originality/value: There are few studies examining sustainable logistics system in Brazilian companies that consider the purpose mentioned by evidencing originality in the same way as this current study. The results presented here can contribute to amplifying debates in the theme

    Analysis of sustainability insertion in materials selection courses of engineering undergraduate programmes

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    Purpose: This study aims to analyse how the materials selection courses of engineering undergraduate programmes can be better aligned with the United Nations Sustainable Development Goals (SDGs). Design/methodology/approach: Initially, a content analysis was performed in 39 materials selection course descriptions from 40 engineering undergraduate programmes of Brazilian higher education institutions, and subsequently, Delphi method procedures were conducted with professors that teach or have taught the course and are knowledgeable in the subject of sustainability. Findings: Considering the analysed course descriptions, it was shown that most of the materials selection courses do not consider or present little emphasis on sustainability aspects. Regarding the Delphi method, eight items were evidenced to consider sustainability aspects in the analysed courses. Originality/value: This study contributes to the debates about sustainability insertion in engineering undergraduate programmes. More specifically, the findings presented consolidated information that professors and coordinators can use to align materials selection courses with the SDGs better

    COVID-19 and the targets of SDG 8: reflections on Brazilian scenario

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    Purpose: This paper aims to present reflections on the COVID-19 pandemic impacts in the search for the targets of Sustainable Development Goal 8 (SDG 8) disseminated by the United Nations. These reflections are made considering the Brazilian scenario. Design/methodology/approach: As this paper is a viewpoint, several information presented here are based on authors’ opinion. However, to enhance the information basis and present examples, a bibliographic research was also conducted. Findings: Analyzing the targets of SDG 8 and the probable crisis in the Brazilian economy as a consequence of the pandemic, the authors believe that this crisis will impact the achievement of these targets. Practical implications: The reflections presented here can contribute with the debates about the search for decent work in Brazil. It is worth to remember that the development of actions aligned with SDG 8 targets generates more than only economic gains, as these contribute for building a more just, egalitarian and inclusive society. Originality/value: This viewpoint calls attention to issues that demand urgent public policies; otherwise, these issues can generate losses to an entire generation of Brazilians
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