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La quiralidad óptima mejora las interacciones inducidas por fluctuaciones de largo alcance en fluidos activos

Hashem Fatemi1, Hamidreza Khalilian1, Jalal Sarabadani1

  • 1School of Quantum Physics and Matter, Institute for Research in Fundamental Sciences (IPM), Tehran, 19538-33511, Iran.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
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La materia activa quiral se autoorganiza a través de las interacciones de las partículas. Quiralidad

Palabras clave:
sustancia activa quiralcomportamiento colectivoInteracciones inducidas por las fluctuacionesOptimización inducida por la geometríaFormación de la estructura

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Área de la Ciencia:

  • Física de la materia blanda
  • La materia activa
  • Estudios de la quiralidad

Sus antecedentes:

  • Comprender la autoorganización de la materia activa quiral es la clave.
  • Las fuerzas inducidas por la fluctuación impulsan la formación de estructuras en sistemas activos.
  • El papel de la quiralidad en estas fuerzas es poco explorado.

Objetivo del estudio:

  • Investigar las fuerzas efectivas inducidas por la fluctuación entre intrusos en fluidos activos quirales.
  • Determinar cómo la forma de la partícula influye en las interacciones quirales.
  • Regímenes de fuerza de mapa a través de la quiralidad, la propulsión y la separación de intrusos.

Principales métodos:

  • Investigación teórica de las fuerzas inducidas por la fluctuación efectiva.
  • Análisis de las interacciones intruso-fluido en sistemas quirales activos.
  • Mapeo de regímenes de fuerza basados en propiedades y separación de partículas.

Principales resultados:

  • El impacto de la quiralidad en las interacciones es dependiente de la forma.
  • Para las partículas circulares, el aumento de la relación rotación-propulsión suprime la interacción.
  • Las partículas parecidas a varas exhiben una formación espontánea de vórtice alrededor de los intrusos en un ángulo quiral óptimo.

Conclusiones:

  • Las interacciones de materia activa quiral son sintonizables por la forma y la quiralidad de las partículas.
  • La formación de vórtices en sistemas de partículas tipo barra ofrece nuevos principios de autoensamblaje.
  • Los hallazgos proporcionan información para el diseño y el control de sistemas autoensamblados activos.