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826 results on '"Maciel Filho, Rubens"'

1. Predicting mortality of cancer patients using artificial intelligence, patient data and blood tests

Author

Martins, Tiago D., Maciel-Filho, Rubens, Montalvão, Silmara A. L., Gois, Gabriele S. S., Al Bannoud, Mohamad, Ottaiano, Gabriel Y., Anhaia, Thaizy R. A., Almeida, Millene E. A., Ferreira, Monique R. M., Martinelli, Beatriz M., Fernandes, Maria C. G. L., Huber, Stephany C., Ribeiro, Daniel, Teixeira, Júlio C., Carvalheira, José B. C., Lima, Carmen S. P., Andreollo, Nelson A., Etchebehere, Maurício, Zambon, Lair, Ferreira, Ubirajara, Tincani, Alfio J., Martins, Antônio S., Coy, Cláudio S. R., Seabra, José C. T., Mussi, Ricardo K., Tedeschi, Helder, and Anninchino-Bizzacchi, Joyce M.

Published
2024
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6. Chemical Engineering Teaching in COVID-19 Times: Successfully Adapting a Capstone Design Course to a Remote Format

Author

Khouri, Nadia G., Fontana, Michelli, Dias, Igor L. R., Maciel, Maria R. W., Maciel Filho, Rubens, and Mariano, Adriano P.

Abstract

The coronavirus COVID-19 pandemic required educational institutions to adapt face-to-face to remote teaching. This study reports the experience in the first semester of 2020 for a Chemical Engineering Capstone Design Course at the University of Campinas in Brazil. In this course, senior year students develop a group project, in which they simulate a chemical plant and evaluate its technoeconomic feasibility. In 2020, the groups were proposed to design a process to replace diesel fuel from the bus fleet in Campinas city with renewable fuel DME. Because of the pandemic, several adaptations were needed: the theoretical classes became asynchronous, group meetings were online, a commercial simulator was replaced by an open access one, and the schedule was extended by 2 weeks. Despite that, the students had a great performance, comparable to face-to-face. To assess student satisfaction, a questionnaire was used. The course met the expectations of most of the students who also recommended keeping it in the remote format or merging it with face-to-face teaching. Therefore, these changes made it possible to apply new teaching dynamics and tools that could be used in the future to improve the course quality.

Published
2021
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8. A competency-based chemical engineering curriculum at the University of Campinas in Brazil

Author

Franco, Luís Fernando Mercier, da Costa, Aline Carvalho, de Almeida Neto, Ambrósio Florêncio, Moraes, Ângela Maria, Tambourgi, Elias Basile, Miranda, Everson Alves, de Castilho, Guilherme José, Doubek, Gustavo, Dangelo, José Vicente Hallak, Fregolente, Leonardo Vasconcelos, Lona, Liliane Maria Ferrareso, de La Torre, Lucimara Gaziola, Alvarez, Luz Adriana, da Costa, Mariana Conceição, Martinez, Patricia Fazzio Martins, Ceriani, Roberta, Zemp, Roger Josef, Vieira, Roniérik Pioli, Maciel Filho, Rubens, Vianna, Sávio Souza Venâncio, Bueno, Sonia Maria Alves, Vieira, Melissa Gurgel Adeodato, and Suppino, Raphael Soeiro

Published
2023
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30. Effect of designed pore size on electrochemical, wear, and tribocorrosion behavior of additively manufactured Ti-6Al-4V lattice structures

Author

Ministerio de Ciencia e Innovación (España), Sao Paulo Research Foundation, Longhitano, G.A., García, Ignacio M., Arenas, M. A., Damborenea, Juan de, Maciel Filho, Rubens, Conde del Campo, Ana, Ministerio de Ciencia e Innovación (España), Sao Paulo Research Foundation, Longhitano, G.A., García, Ignacio M., Arenas, M. A., Damborenea, Juan de, Maciel Filho, Rubens, and Conde del Campo, Ana

Abstract

The advent of additive manufacturing has been a disruptive technology in various fields, including medicine. One of the main causes of orthopedic implant failure is the mismatch between the implant material and the bone, causing bone resorption and aseptic loosening. In this regard, the use of additively manufactured lattice structures as orthopedic implant material has several advantages, such as producing a material with an adequate stiffness match with bone. Nevertheless, its behavior in service is not fully understood: the human body is a complex environment, and an orthopedic implant material is subjected to corrosion, wear, and tribocorrosion. In this work, Ti-6Al-4V solid and lattice structured samples were designed with pore sizes of 500, 700, and 900 µm and produced by PBF-EB. Microstructural and geometrical characterization was made on produced samples. The effect of pore sizes was analyzed under corrosion, wear, and tribocorrosion conditions, and compared with solid bulk samples. During corrosion tests, porous samples presented pitting attacks at high potentials, as the solid samples did not. The porous and solid samples presented similar behaviors under wear and tribocorrosion, with abrasive and adhesive wear as the predominant mechanism, and no statistical difference in the specific wear rates was found.

Published
2024

38. Combining artificial neural networks and hematological data to diagnose Covid-19 infection in Brazilian population

Author

Martins, Tiago D., primary, Martins, Sandra D., additional, Montalvão, Silmara, additional, Al Bannoud, Mohamad, additional, Ottaiano, Gabriel Y., additional, Silva, Letícia Q., additional, Huber, Stephany C., additional, Diaz, Tassiana S. P., additional, Wroclawski, Carolina, additional, Filho, Cyrillo Cavalheiro, additional, Maciel-Filho, Rubens, additional, and Annichino-Bizzacchi, Joyce M., additional

Published
2023
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