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Activación de Biomateriales con Plasma a Baja Temperatura y sus Efectos sobre la Estabilidad a lo Largo del Tiempo y
Piotr Trębacz1, Mateusz Pawlik2,3, Aleksandra Kurkowska2,3
1Department of Small Animal Surgery and Anesthesiology, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland.
Materials (Basel, Switzerland)
|February 13, 2026
Resumen
La activación por plasma a baja temperatura (LTP) mejora la mojabilidad de los implantes metálicos, pero depende del tiempo. La posterior esterilización por vapor reduce significativamente la LTP
Área de la Ciencia:
- Ciencia de Biomateriales
- Ingeniería de Superficies
- Tecnología de Dispositivos Médicos
Sus antecedentes:
- La activación por plasma a baja temperatura (LTP) mejora la mojabilidad y el rendimiento biológico de los implantes metálicos.
- No se comprenden bien la estabilidad de las modificaciones superficiales inducidas por plasma y su interacción con la esterilización.
Objetivo del estudio:
- Evaluar los efectos de la activación por LTP y la esterilización por vapor en la mojabilidad de los implantes metálicos.
- Evaluar la estabilidad temporal de la mojabilidad de la superficie después de estos tratamientos.
Principales métodos:
- Se probaron muestras de Ti6Al4V y aleación de cobalto-cromo (lámina y fabricadas aditivamente).
- Se aplicó activación por LTP, esterilización por vapor o ambas.
- Se midió la mojabilidad de la superficie utilizando ángulos de contacto de sangre canina durante cinco días.
Principales resultados:
- La activación por LTP aumentó significativamente la mojabilidad para todos los materiales, pero este efecto disminuyó con el tiempo.
- La esterilización por vapor por sí sola mejoró moderadamente la mojabilidad con efectos estables.
- El tratamiento combinado (esterilización después de la activación) atenuó y perdió rápidamente la mejora de la mojabilidad inducida por plasma.
Conclusiones:
- La activación por LTP es eficaz para mejorar la mojabilidad de los implantes, pero depende del tiempo.
- La esterilización por vapor impacta negativamente la mojabilidad inducida por LTP, especialmente cuando se aplica después de la activación.
- Optimizar el momento de la activación por LTP o los métodos de esterilización/almacenamiento para mantener los beneficios de la modificación de la superficie.
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