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Updated: Jan 31, 2026

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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
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Modelo de ratón para la sensibilidad de la medición de fluidos con electrodos textiles
Bryan Piper1,2, Md Saiful Hoque1,2, Nasim Montazeri Ghahjaverestan2,3
1University of Toronto, Toronto, Canada.
Biomedical engineering online
|January 29, 2026
Resumen
Este estudio desarrolló un sensor textil no invasivo para medir el líquido torácico en ratones, mostrando potencial para el control de la insuficiencia cardíaca a pesar de una sensibilidad limitada a pequeños cambios de líquido.
Área de la Ciencia:
- Ingeniería Biomédica
- Monitorización Fisiológica
- Tecnología Vestible
Sus antecedentes:
- La insuficiencia cardíaca es una causa importante de muerte, y la congestión de líquidos complica el manejo.
- Los métodos actuales de monitorización en el hogar, como las mediciones de peso diarias, carecen de sensibilidad.
- Las técnicas de monitorización invasivas no son prácticas para el uso rutinario.
Objetivo del estudio:
- Introducir y evaluar un método novedoso y no invasivo para detectar cambios en el volumen de líquido torácico.
- Evaluar la utilidad de los electrodos secos basados en textiles para la espectroscopia de bioimpedancia.
- Explorar la viabilidad de esta tecnología para monitorizar la progresión de la insuficiencia cardíaca.
Principales métodos:
- Se utilizaron electrodos secos basados en textiles para la espectroscopia de bioimpedancia en un modelo de ratón.
- Se recopilaron datos de bioimpedancia en 256 frecuencias (3-1000 kHz) durante infusiones controladas de líquido torácico.
- Se calcularon los volúmenes de líquido total, extracelular e intracelular y se normalizaron con respecto a la línea de base.
Principales resultados:
- No se observaron diferencias estadísticamente significativas en los volúmenes de líquido normalizados entre las etapas de infusión (p > 0,05).
- Se encontraron correlaciones moderadas entre las mediciones de impedancia y el peso (r²=0,33) y la longitud (r²=0,34) de los animales.
- Existió una fuerte correlación entre la longitud y el peso del animal (r²=0,81).
Conclusiones:
- Los electrodos secos basados en textiles muestran ser prometedores para la medición no invasiva del volumen de líquido torácico en ratones.
- La sensibilidad actual del sensor a pequeños cambios de líquido es limitada y requiere una mayor refinación.
- El desarrollo continuo de estos sensores podría conducir a herramientas prácticas para la monitorización no invasiva de la insuficiencia cardíaca.
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