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Advanced micromorphology study of microbial films grown on Kefir loaded with Açaí extract.
Micron ( IF 2.5 ) Pub Date : 2020-06-18 , DOI: 10.1016/j.micron.2020.102912
Robert S Matos 1 , Glenda Q Ramos 2 , Henrique D da Fonseca Filho 3 , Ştefan Ţălu 4
Affiliation  

In this work, an advanced analysis of the 3D surface microtexture of the microbial films grown on Kefir loaded with Açaí extract was performed. Atomic force microscopy was used to characterize the 3D surface microtexture data in correlation with the stereometric analyses to allow a better understanding of the surface micromorphology consistent with ISO 25178−2: 2012. Two new parameters, fractal succolarity and fractal lacunarity, have been inserted for a quantitative approach to microtexture. The results revealed that the morphology was affected by the increase of the Açaí concentration in biofilms, as well as the fractal succolarity and lacunarity. Adhesive bacteria of the genus Lactobacillus were observed for the lowest concentrations of Açaí. Moreover, it was found that the surface of the biofilms has shown saturation when the concentration has changed from 4 to 6 % of Açaí. These results are of great interest in the characterization of surfaces with promising application like skin dressing.



中文翻译:

在装有阿萨伊提取物的开菲尔上生长的微生物膜的高级微形态学研究。

在这项工作中,对在装有阿萨伊提取物的开菲尔上生长的微生物膜的 3D 表面微观结构进行了高级分析。原子力显微镜用于表征与立体分析相关的 3D 表面微观纹理数据,以便更好地了解符合 ISO 25178-2: 2012 的表面微观形态。已插入两个新参数,分形糖化度和分形空隙度,用于微观纹理的定量方法。结果表明,形态受生物膜中阿萨伊浓度增加以及分形糖化度和空隙度的影响。乳酸杆菌属的粘附细菌观察到最低浓度的 Açaí。此外,发现当 Açaí 的浓度从 4% 变为 6% 时,生物膜表面已显示出饱和状态。这些结果在表征具有前景应用(如皮肤敷料)的表面方面非常有趣。

更新日期:2020-06-18
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