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Preliminary study of coating 3D Printed Polymeric Gyroid structures using ‘Dragon’s blood’ extract as a potential delivery system

机译:使用“龙血”提取物作为潜在的递送系统来涂覆3D打印的聚合型甲状腺结构的初步研究

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Additive manufacturing is increasing its applications in the field of pharmaceuticals. The aim of this work was to explore the feasibility of using two methods of coating drugs in 3D printed polymeric gyroid-type. 3D printed gyroid structures were coated by two different methods using the Amazonian herbal remedy, “Sangre de Drago” (dragon’s blood). The coating methods employed were direct perfusion and dip coating. A standard stereolithography resin was used to manufacture the 3D gyroid structures. The analysis of the influence of coating methods was carried out with image processing. The results show a non-linear relationship between porosity and the dragon’s blood coated area. The maximum coating was obtained using the perfusion approach, at 70 % of porosity. Meanwhile, with the dip coating, the maximum coating appears at 90 %. We expect this proof-of-concept evaluation to have a potential application in tissue regeneration or defect repair.
机译:增材制造正在增加其在制药领域的应用。这项工作的目的是探讨在3D打印的聚合物螺旋体类型中使用两种涂覆药物的方法的可行性。使用亚马逊草药“ Sangre de Drago”(龙血),通过两种不同的方法对3D打印的回旋结构进行了涂层处理。所采用的涂覆方法是直接灌注和浸涂。使用标准的立体光刻树脂来制造3D陀螺结构。通过图像处理对涂布方法的影响进行了分析。结果表明,孔隙率与龙血覆盖面积之间存在非线性关系。使用灌注方法在孔隙率为70%时获得最大涂层。同时,使用浸涂,最大涂层出现在90%处。我们希望这种概念验证评估在组织再生或缺损修复中具有潜在的应用前景。

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