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Acquisition Protocol and Comparison of Myoelectric Signals of the Muscles Innervated by the Ulnar, Radial and Medial Nerves for a Hand Orthoses 

Bermeo Varón, Leonardo Antonio; Villarejo Mayor, John J.; Arcos, Edgar F.; Quiguanás López, Diana Maritza; Bravo, Andrea A.; Perez Plaza, Vanessa (Springer, 2020-03-03)
This paper proposes a protocol for obtaining surface myoelectric signals in muscles of the upper limb for characterization of hand movement patterns. To characterize the movement patterns, the magnitude of the signal from ...
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Thermal Effect by Applying Laser Heating in Iron Oxide Nanoparticles Dissolved in Distilled Water 

Bermeo Varón, Leonardo Antonio; Loiola, Bruna R.; da Silva Abreu, Luiz A.; Lamien, Bernard; da Silva, Nilton Pereira; da Silva, Nilton Pereira; Silva dos Santos, Dilson (Springer, 2019-09-25)
Due to their physical properties and biocompatibility, iron oxide nanoparticles have received particular attention in recent years for the localized hyperthermia therapy, where they are targeted to an organ, tissue or tumor ...
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Parametric simulated study of High Intensity Focused Ultrasound (HIFU) for treatment of cancer 

de los Ríos, Laura; Bermeo Varón, Leonardo Antonio; Coelho de Albuquerque Pereira, Wagner (Begell House Inc., 2018-03)
High Intensity Focused Ultrasound (HIFU) is an acoustic therapy that is having a great progress in clinical applications, especially applied in cancer treatment. Focused ultrasound may be used to generate highly localized ...
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Estimation of the temperature field in laser-induced hyperthermia experiments with a phantom 

Lamien, Bernard; Orlande, Hélcio Rangel Barreto; Bermeo Varón, Leonardo Antonio; Rodrigo, Leite Queiroga Basto; Enrique Eliçabe, Guillermo; Silva Dos Santos, Dilson; Machado Cotta, Renato (Taylor and Francis Ltd, 2018-12-31)
Background: One of the challenges faced during the hyperthermia treatment of cancer is to monitor the temperature distribution in the region of interest. The main objective of this work was to accurately estimate the ...
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Comparison of Attenuation Coefficient Estimation in High Intensity Focused Ultrasound Therapy for Cancer Treatment by Levenberg Marquardt and Gauss-Newton Methods 

de Los Ríos Cárdenas, Laura; Bermeo Varón, Leonardo Antonio; de Albuquerque-Pereira, Wagner Coelho (Springer, 2020-03-03)
Hyperthermia using High-Intensity Focused Ultrasound (HIFU) is an acoustic therapy used in clinical applications to destroy malignant tumors of bone, breast, brain, kidney, pancreas, prostate, rectum and testicle. This ...
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Mechanical Pain Assessment Through Parameters Derived from Photoplethysmographic (PPG) Signals: A Pilot Study 

Ramírez Mena, Andrés David; Bermeo Varón, Leonardo Antonio; Molano Valencia, Rodolfo; Argüello Prada, Erick Javier (Springer, 2020-03-03)
Based on the fact that pain modulates the contour of the photoplethysmographic (PPG) signal, several authors have used PPG-derived parameters, like the amplitude of the PPG signal (PPGA) and the variations of the inter-pulse ...
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Real-time temperature estimation with enhanced spatial resolution during MR-guided hyperthermia therapy 

Pacheco, César C.; Barreto Orlande, Hélcio Rangel; Colaço, Marcelo José; Dulikravich, George S.; Bermeo Varón, Leonardo Antonio; Lamien, Bernard (Taylor and Francis Ltd., 2020-04-17)
In this article, the temperature of biological tissues is estimated during hyperthermia therapy, while accounting for uncertainties in the bioheat transfer problem and in the available measurements. A state estimation ...
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Estimation of Electrical Conductivity from Radiofrequency Hyperthermia Therapy for Cancer Treatment by Levenberg Marquardt Method 

López Perez, Jorge Iván; Serna Maldonado, Rafael Daniel; Bermeo Varón, Leonardo Antonio; Castillo García, Javier Ferney (Springer, 2020-03-03)
Introduction: The radiofrequency hyperthermia is a technique that by induction of the electromagnetic waves produces the heating in the biological tissues. The increase in body temperature in a range of 40 °C to 46 °C ...
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Red de telemedicina con tecnologÍa UMTS/GPRS HSPA+ 3G para zonas de difÍcil acceso 

Bermeo Varón, Leonardo Antonio; Abonia Peña, Oscar E. (International Institute of Informatics and Systemics, IIIS, 2018-03-01)
Una red de telemedicina es un sistema que permite realizar procedimientos médicos y clínicos como exámenes, diagnósticos y supervisión de tratamientos, que utiliza recursos informáticos como servidores, computadores, equipos ...
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Sensitivity Study in High Intensity Focused Ultrasound Therapy for Cancer 

Cárdenas, Laura de Los Ríos; Bermeo Varón, Leonardo Antonio; Pereira, Wagner Coelho de Albuquerque (Springer, 2019-09-25)
Hyperthermia using High Intensity Focused Ultrasound (HIFU) is an acoustic therapy used in clinical applications to destroy malignant tumors of bone, breast, brain, kidney, pancreas, prostate, rectum and testis. This ...

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Bermeo Varón, Leonardo Antonio (10)
Lamien, Bernard (3)Abonia Peña, Oscar E. (1)Arcos, Edgar F. (1)Argüello Prada, Erick Javier (1)Barreto Orlande, Hélcio Rangel (1)Bravo, Andrea A. (1)Castillo García, Javier Ferney (1)Coelho de Albuquerque Pereira, Wagner (1)Colaço, Marcelo José (1)... View MoreSubjectHyperthermia (4)Cancer (2)High Intensity Focused Ultrasound (2)Parameter estimation (2)3G (1)Active orthoses (1)Autonomic nervous system (1)Biological tissues (1)Biology (1)Computational time (1)... View MoreDate Issued2020 (5)2018 (3)2019 (2)Has File(s)Yes (10)

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