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Nanoscale surface dynamics of spatial patterns of polymeric bilayered particles loaded with essential oil
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2022-08-02 , DOI: 10.1002/jemt.24216 Robert Saraiva Matos 1 , Ítalo Carvalho da Costa 2 , Heloisa David Yasumura 3 , Sidney Gomes de Azevedo 4 , Edgar Aparecido Sanches 4 , Henrique Duarte da Fonseca Filho 2, 3
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2022-08-02 , DOI: 10.1002/jemt.24216 Robert Saraiva Matos 1 , Ítalo Carvalho da Costa 2 , Heloisa David Yasumura 3 , Sidney Gomes de Azevedo 4 , Edgar Aparecido Sanches 4 , Henrique Duarte da Fonseca Filho 2, 3
Affiliation
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Gelatin/PCL bilayered particles loaded with Piper nigrum essential oil was synthesized aiming to access their morphological and surface dynamic patterns. Atomic force microscopy (AFM) was applied to investigate the 3D morphology and multifractal aspects of the particles surface. The AFM maps revealed spherical surfaces and well dispersed particles, besides a rougher surface on the loaded system. Minkowski functionals showed that shape of the rough peaks was similar in the unloaded and loaded systems; however, the presence of deep valleys on the loaded particles revealed their rougher pattern. Multifractal analysis revealed that unloaded and loaded particles presented multifractal behavior with different surface dynamics. The loaded surface presented a greater width of the multifractal spectrum and smaller difference of fractal dimensions, confirming their more vertically growing. These results can be useful in the development of novel polymeric-based particles loaded with essential oil. Their unique surface dynamics can provide enhanced physical properties and performance in emerging biotechnological applications.
中文翻译：
载有精油的聚合物双层颗粒空间模式的纳米级表面动力学
装载有黑胡椒的明胶/PCL 双层颗粒合成精油的目的是为了了解它们的形态和表面动态模式。应用原子力显微镜 (AFM) 来研究颗粒表面的 3D 形态和多重分形方面。AFM 图显示了球形表面和分散良好的颗粒，此外加载系统上的表面更粗糙。Minkowski 泛函表明，在未加载和加载的系统中，粗糙峰的形状相似；然而，加载粒子上存在的深谷揭示了它们更粗糙的模式。多重分形分析表明，未加载和加载的粒子呈现出具有不同表面动力学的多重分形行为。加载的表面呈现出更大的多重分形光谱宽度和更小的分形维数差异，证实了它们更垂直地增长。这些结果可用于开发负载精油的新型聚合物基颗粒。它们独特的表面动力学可以在新兴的生物技术应用中提供增强的物理特性和性能。
更新日期：2022-08-02
中文翻译：
载有精油的聚合物双层颗粒空间模式的纳米级表面动力学
装载有黑胡椒的明胶/PCL 双层颗粒合成精油的目的是为了了解它们的形态和表面动态模式。应用原子力显微镜 (AFM) 来研究颗粒表面的 3D 形态和多重分形方面。AFM 图显示了球形表面和分散良好的颗粒，此外加载系统上的表面更粗糙。Minkowski 泛函表明，在未加载和加载的系统中，粗糙峰的形状相似；然而，加载粒子上存在的深谷揭示了它们更粗糙的模式。多重分形分析表明，未加载和加载的粒子呈现出具有不同表面动力学的多重分形行为。加载的表面呈现出更大的多重分形光谱宽度和更小的分形维数差异，证实了它们更垂直地增长。这些结果可用于开发负载精油的新型聚合物基颗粒。它们独特的表面动力学可以在新兴的生物技术应用中提供增强的物理特性和性能。
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