Dayana Lizethe Guzmán Sierra

Dayana Lizethe Guzmán Sierra
University of Aveiro | UA · Division of Materials Engineering

Master of biomedical materials and devices
PhD Student


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Dayana Lizethe Guzmán Sierra currently works at CICECO-Centre for Research in Ceramics and Composite Materials, University of Aveiro. Dayana does research in Electronic Engineering and Biomedical Engineering. Their current project is "Flexible piezoelectric Bionanocomposites for biomedical sensors". She is interested in green and stretchable electronics for biomedical and sustainable applications.
Additional affiliations
June 2018 - April 2021
University of Aveiro
  • Research Associate
  • Research fellow
January 2009 - March 2015
Universidad Distrital Francisco José de Caldas
Field of study
  • Electronics Engineering


Publications (4)
The Front Cover shows a flexible functional biocomposite film composed of chitosan biopolymer and BaTiO3 particles, which was prepared by environmentally benign methodologies. This film is flexible, and its elasticity can be tailored by the addition of BaTiO3 particles. The dielectric permittivity increases with the barium titanate content. The evi...
There is currently a demand for flexible biomedical sensors. Characteristics as soft, thin, elastic, flexible and comfortable to the contact with skin should be matched with performance and ultimately made of sustainable, and biocompatible materials. In this work, chitosan as a flexible biodegradable polymeric matrix was combined with ferroelectric...
Full-text available
Objective To design a diagnostic support system for sleep apnoea and hypopnoea syndrome (SAHS) using moving average based on knowledge, able to identify SAHS episodes from a respiratory polygraphy (RP) database. Methods An analysis was made of data obtained from a public database, that included the RP signals, nasobucal airflow, thoracoabdominal m...
Full-text available
Resumen Objetivo Diseñar un sistema de apoyo diagnóstico para el síndrome de apneas-hipopneas del sueño (SAHS) utilizando conocimientos basados en media móvil, capaz de identificar episodios de SAHS a partir de una base de datos de poligrafía respiratoria (PR). Métodos Se analizaron las señales de poligrafía respiratoria (flujo aéreo nasobucal, m...


Question (1)
Solvene®200/P200 is a polymer with ferroelectric properties, it is distributed in grains and I need to find the process (solvents, temperature conditions) to form thick films. I just have the specifications sheet of the product. Does anyone have work with this product?
Thank you!
Dayana G.


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