Search Results - "Paiva, Joana S"

Beat-ID: Towards a computationally low-cost single heartbeat biometric identity check system based on electrocardiogram wave morphology by Paiva, Joana S, Dias, Duarte, Cunha, João P S

“…In recent years, safer and more reliable biometric methods have been developed. Apart from the need for enhanced security, the media and entertainment sectors…”
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An automatic method for arterial pulse waveform recognition using KNN and SVM classifiers by Pereira, Tânia, Paiva, Joana S., Correia, Carlos, Cardoso, João

“…The measurement and analysis of the arterial pulse waveform (APW) are the means for cardiovascular risk assessment. Optical sensors represent an attractive…”
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Cognitive Impact and Psychophysiological Effects of Stress Using a Biomonitoring Platform by Rodrigues, Susana, Paiva, Joana S, Dias, Duarte, Aleixo, Marta, Filipe, Rui Manuel, Cunha, João Paulo S

“…Stress can impact multiple psychological and physiological human domains. In order to better understand the effect of stress on cognitive performance, and…”
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Stress among on-duty firefighters: an ambulatory assessment study by Rodrigues, Susana, Paiva, Joana S, Dias, Duarte, Cunha, João Paulo S

“…Stress at work has been broadly acknowledged as a worldwide problem and has been the focus of concern for many researchers. Firefighting, in particular, is…”
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Single Particle Differentiation through 2D Optical Fiber Trapping and Back-Scattered Signal Statistical Analysis: An Exploratory Approach by Paiva, Joana S, Ribeiro, Rita S R, Cunha, João P S, Rosa, Carla C, Jorge, Pedro A S

“…Recent trends on microbiology point out the urge to develop optical micro-tools with multifunctionalities such as simultaneous manipulation and sensing…”
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Fabrication of Multimode-Single Mode Polymer Fiber Tweezers for Single Cell Trapping and Identification with Improved Performance by Rodrigues, Sandra M, Paiva, Joana S, Ribeiro, Rita S R, Soppera, Olivier, Cunha, João P S, Jorge, Pedro A S

“…Optical fiber tweezers have been gaining prominence in several applications in Biology and Medicine. Due to their outstanding focusing abilities, they are able…”
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Optical fiber-based sensing method for nanoparticle detection through supervised back-scattering analysis: a potential contributor for biomedicine by Paiva, Joana S, Jorge, Pedro A S, Ribeiro, Rita S R, Sampaio, Paula, Rosa, Carla C, Cunha, João P S

“…In view of the growing importance of nanotechnologies, the detection/identification of nanoparticles type has been considered of utmost importance. Although…”
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Forecasting COVID-19 Severity by Intelligent Optical Fingerprinting of Blood Samples by Faria, Simão P., Carpinteiro, Cristiana, Pinto, Vanessa, Rodrigues, Sandra M., Alves, José, Marques, Filipe, Lourenço, Marta, Santos, Paulo H., Ramos, Angélica, Cardoso, Maria J., Guimarães, João T., Rocha, Sara, Sampaio, Paula, Clifton, David A., Mumtaz, Mehak, Paiva, Joana S.

“…Forecasting COVID-19 disease severity is key to supporting clinical decision making and assisting resource allocation, particularly in intensive care units…”
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Supervised learning methods for pathological arterial pulse wave differentiation: A SVM and neural networks approach by Paiva, Joana S., Cardoso, João, Pereira, Tânia

“…•The arterial pulse pressure waveform (APW) provides an adequate description of the arterial system behaviour..•The development of techniques based on the…”
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Optical fiber tips for biological applications: From light confinement, biosensing to bioparticles manipulation by Paiva, Joana S., Jorge, Pedro A.S., Rosa, Carla C., Cunha, João P.S.

“…The tip of an optical fiber has been considered an attractive platform in Biology. The simple cleaved end of an optical fiber can be machined, patterned and/or…”
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iLoF: An intelligent Lab on Fiber Approach for Human Cancer Single-Cell Type Identification by Paiva, Joana S., Jorge, Pedro A. S., Ribeiro, Rita S. R., Balmaña, Meritxell, Campos, Diana, Mereiter, Stefan, Jin, Chunsheng, Karlsson, Niclas G., Sampaio, Paula, Reis, Celso A., Cunha, João P. S.

“…With the advent of personalized medicine, there is a movement to develop “smaller” and “smarter” microdevices that are able to distinguish similar cancer…”
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Wearable Biomonitoring Platform for the Assessment of Stress and its Impact on Cognitive Performance of Firefighters: An Experimental Study by Rodrigues, Susana, Paiva, Joana S, Dias, Duarte, Pimentel, Gonçalo, Kaiseler, Mariana, Cunha, João Paulo S

“…Stress is a complex process with an impact on health and performance. The use of wearable sensor-based monitoring systems offers interesting opportunities for…”
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Spontaneous Fluctuations in Sensory Processing Predict Within-Subject Reaction Time Variability by Ribeiro, Maria J, Paiva, Joana S, Castelo-Branco, Miguel

“…When engaged in a repetitive task our performance fluctuates from trial-to-trial. In particular, inter-trial reaction time variability has been the subject of…”
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Psychophysiological Stress Assessment Among On-Duty Firefighters by Rodrigues, Susana, Dias, Duarte, Paiva, Joana S., Cunha, Joao P. S.

“…Firefighting is a hazardous profession commonly exposed to high stress that can interfere with firefighter's health and performance. Nevertheless, on-duty…”
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Author Correction: iLoF: An intelligent Lab on Fiber Approach for Human Cancer Single-Cell Type Identification by Paiva, Joana S., Jorge, Pedro A. S., Ribeiro, Rita S. R., Balmaña, Meritxell, Campos, Diana, Mereiter, Stefan, Jin, Chunsheng, Karlsson, Niclas G., Sampaio, Paula, Reis, Celso A., Cunha, João P. S.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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(INVITED)Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups by Jorge, Pedro A.S., Carvalho, Inês A., Marques, Filipe M., Pinto, Vanessa, Santos, Paulo H., Rodrigues, Sandra M., Faria, Simão P., Paiva, Joana S., Silva, Nuno A.

“…The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices. In…”
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Changes in ST, QT and RR ECG intervals during acute stress in firefighters: A pilot study by Paiva, Joana S., Rodrigues, Susana, Cunha, Joao Paulo Silva

“…Firefighting is a stressful occupation. The monitoring of psychophysiological measures in those professionals can be a way to prevent and early detect cardiac…”
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iLoF: a blood‐based optical fingerprinting tool for Alzheimer’s disease screening by Mumtaz, Mehak, Faria, Simão, Santos, Paulo, Carpinteiro, Cristiana, Pinto, Vanessa, Rodrigues, Sandra, Marques, Filipe, Rocha, Sara, Sampaio, Paula, Paiva, Joana S.

“…Background The high cost and invasiveness of state‐of‐the‐art ATN diagnostic methods underscore the need for alternative approaches for Alzheimer's Disease…”
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Optical fiber-based sensing method for nanoparticle detection through supervised back-scattering analysis: a potential contributor for biomedicine by Paiva, Joana S, Jorge, Pedro A.S, Ribeiro, Rita S.R, Sampaio, Paula, Rosa, Carla C, Cunha, Joao P.S

“…Background: In view of the growing importance of nanotechnologies, the detection/identification of nanoparticles type has been considered of utmost importance…”
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Beat-to-beat ECG features for time resolution improvements in stress detection by Axman, Dustin, Paiva, Joana S., de La Torre, Fernando, Cunha, Joao P. S.

“…In stress sensing, Window-derived Heart Rate Variability (W-HRV) methods are by far the most heavily used feature extraction methods. However, these W-HRV…”
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