El ultrasonido terapéutico modifica las propiedades fisicoquímicas de los transportadores lipídicos nanoestructurados

Autores/as

  • Jefferson Potiguara de Moraes Departamento de Fisioterapia e Reabilitação, Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria – UFSM. Santa Maria/RS, Brasil. https://orcid.org/0000-0001-6460-5912
  • Luis Ulisses Signori Departamento de Fisioterapia e Reabilitação, Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria – UFSM. Santa Maria/RS, Brasil. https://orcid.org/0000-0001-7784-9940
  • Gustavo Orione Puntel Departamento de Fisioterapia e Reabilitação, Programa de Pós-Graduação em Ciências do Movimento e Reabilitação, Universidade Federal de Santa Maria – UFSM. Santa Maria/RS, Brasil. https://orcid.org/0000-0002-1641-9477
  • Bianca Vedoin Copês Rambo Departamento de Química, Programa de Pós-Graduação em Nanociências, Universidade Franciscana – UFN. Santa Maria/RS, Brasil. https://orcid.org/0009-0005-9770-3021
  • Thiago Durand Mussoi Departamento de Química, Programa de Pós-Graduação em Nanociências, Universidade Franciscana – UFN. Santa Maria/RS, Brasil. https://orcid.org/0000-0001-5231-566X
  • Camila Franco Departamento de Química, Programa de Pós-Graduação em Nanociências, Universidade Franciscana – UFN. Santa Maria/RS, Brasil. https://orcid.org/0000-0002-8793-6092
  • Virgínia Cielo Rech Departamento de Química, Programa de Pós-Graduação em Nanociências, Universidade Franciscana – UFN. Santa Maria/RS, Brasil. https://orcid.org/0000-0003-1330-8031

DOI:

https://doi.org/10.15343/0104-7809.202549e17162025P

Palabras clave:

Terapia por Ultrasonido, Sistemas de Liberación de Fármacos mediante Nanopartículas, Quercetina

Resumen

La quercetina posee un reconocido potencial terapéutico en la recuperación de lesiones musculoesqueléticas; sin embargo, presenta baja biodisponibilidad cuando administrada por vía oral. Su penetración cutánea puede ser mejorada mediante la aplicación tópica de transportadores lipídicos nanoestructurados cargados con quercetina (NLC-Q), en combinación con ultrasonido terapéutico pulsado (UTP). No obstante, diferentes intensidades de ultrasonido a 1 MHz podrían comprometer las propiedades fisicoquímicas de los NLC-Q, una interacción que aún no ha sido completamente evaluada. El objetivo de este estudio fue analizar los efectos de distintas intensidades del UTP (1 MHz) sobre las propiedades fisicoquímicas de un gel que contiene NLC-Q. Los NLC-Q fueron elaborados mediante el método de alta tasa de cizallamiento. El UTP (1 MHz, 5 minutos, ciclo de trabajo del 20%) se aplicó al gel a intensidades de 0,1, 0,2, 0,4 y 0,6 W/cm² SATA (intensidad espacial y temporal media). Se evaluaron las propiedades fisicoquímicas —pH, temperatura, tamaño medio de partícula, índice de polidispersión y concentración de quercetina encapsulada— antes y después de la aplicación de cada intensidad. Las intensidades de 0,1 y 0,2 W/cm² SATA no alteraron significativamente las propiedades de los NLC-Q. Sin embargo, las intensidades de 0,4 y 0,6 W/cm² SATA aumentaron el tamaño de las partículas en un 14% y 44%, respectivamente (P < 0,001), así como el índice de polidispersión en un 28% y 88% (P < 0,001). Intensidades superiores a 0,4 W/cm² SATA del UTP promovieron la inestabilidad de los NLC-Q en el gel, lo que podría comprometer su eficacia como sistema de administración tópica del principio activo.

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Citas

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Publicado

2025-06-27

Cómo citar

Moraes, J. P. de, Signori, L. U., Puntel , G. O., Rambo, B. V. C., Mussoi, T. D., Franco, C., & Rech, V. C. (2025). El ultrasonido terapéutico modifica las propiedades fisicoquímicas de los transportadores lipídicos nanoestructurados. O Mundo Da Saúde, 49. https://doi.org/10.15343/0104-7809.202549e17162025P

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