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A machine learning approach for enhanced glucose prediction in biosensors

Abreu, António; Oliveira, Daniela dos Santos; Vinagre, Inês; Cavouras, Dionisios; Alves, Joaquim A.; Pereira, Ana I.; Moreira, Felismina T. C.

The detection of glucose is crucial for diagnosing diseases such as diabetes and enables timely medical intervention. In this study, a disposable enzymatic screen-printed electrode electrochemical biosensor enhanced with machine learning (ML) for quantifying glucose in serum is presented. The platinum working surface was modified by chemical adsorption with biographene (BGr) and glucose oxidase, and the enzyme ...

Date: 2025   |   Origin: Biblioteca Digital do IPB

Preface "Advances in tourism, technology and systems: selected papers from ICOT...

Abreu, António; Carvalho, João Vidal; Liberato, Dália; Castanho, Rui Alexandre


5th international conference on quality innovation and sustainability (ICQIS 20...

Morgado, Teresa; Galvão, Ivan; Abreu, António; Calado, João Manuel Ferreira; Sá, José

The conference themes, which address novel and advanced topics on Sustainability, Quality, and Innovation, focused on eight Special Sessions, namely, "Circular Economy and Waste Management – New Approaches, Innovative Technologies, and Business Models", "Failure Prevents: Reliability, Proactivity and Practice, "Lean, TRIZ methodologies Applied to Sustainability Management", "Modelling and Simulation: A way to p...


The Use of Social Networks as a Strategic Tool: The Case of Cuca Monga Discos a...

Lobo, Rafaela; Martins, Susana; Carvalho, Milena; Abreu, António; Castro, Maria João; Santos, Eleonora; Branca, Ana

The increased presence of brands and organizations on digital social networks has led to the need to understand and characterize their strategies and engagement with the public. The present study is an exploratory-descriptive investigation based on a literature review and the analysis of alternative metrics with the general objective of knowing how the publisher Cuca Monga Discos used TikTok between 2019 and 20...

Date: 2024   |   Origin: IC-online

The Influence of Business Cycles on Corporate Performance: Evidence from Outdoo...

Santos, Eleonora; Abreu, António; Pinto, Agostinho Sousa; Carvalho, Milena; Martins, Susana

Tourism contributes substantially to economies and employment opportunities. In recent years, sustainable tourism has gained prominence, seeking to harmonize economic growth with environmental preservation and social equity. This concept revolves around minimizing tourism’s environmental impact while maximizing local community benefits. Consequently, assessing the economic sustainability of tourism firms become...

Date: 2024   |   Origin: IC-online

Social Networks and Digital Influencers in the Online Purchasing Decision Process

Angélico Gonçalves, Maria José; Adriana José de Oliveira; Abreu, António; Mesquita, Anabela

The growth in the use of social networks has been evident, reaching 3.8 billion users in 2020, representing 49% of the world’s population (https://wearesocial.com/uk/blog/2020 /01/digital-2020-3-8-billion-people-use-social-media (accessed on 19 September 2024)) [1]. This scenario has driven the emergence of new digital platforms, revolutionized the way we communicate [2], and given popularity to social networks...


Preface "Advances in tourism, technology and systems: selected papers from ICOT...

Abreu, António; Carvalho, João Vidal; Liberato, Pedro; Cerón Monroy, Hazael


Preface "Advances in tourism, technology and systems: selected papers from ICOT...

Carvalho, João Vidal; Abreu, António; Liberato, Dália; Díaz Rebolledo, José Angel


Users’ perception of satisfaction of the eletronic information system – SEI in ...

Camarinha, Ana Paula; Abreu, António; Júnior, Marcelo Tenório Matos; Cardoso, Ivone

Public institutions in Brazil have undergone a major process of digitization of their procedures and services following the precepts of Industry 4.0. In this scenario, Instituto Feral da Rondônia - IFRO sought to increase its efficiency with the adoption of the Electronic Information System - SEI, adopted in 2017. The following investigation sought to know the perception of satisfaction of users of the system t...


Adoption of Telemedicine during the COVID-19 pandemic in Ibero-America: A Syste...

Pinto, Agostinho Sousa; Abreu, António; Costa, Eusébio; Paiva, Jerónimo; Vieira, Laís

The outbreak of COVID-19 caused a major international public health crisis and led to the imposition of social distancing measures to contain the spread of the virus. In this context, the use of telehealth skyrocketed as the only way to deliver healthcare to patients during a lockdown was remotely. The countries of Latin America and the Iberian Peninsula were severely hit by the pandemic and the prospects and c...


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