High-Resolution 3D Printing Fabrication of a Microfluidic Platform for Blood Plasma Separation.

High-Resolution 3D Printing Fabrication of a Microfluidic Platform for Blood Plasma Separation.
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DOI:
10.3390/polym14132537
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发表时间:
2022-06-22
期刊:
影响因子:
5
通讯作者:
--
中科院分区:
工程技术3区
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--
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增材制造技术是一种新兴的快速成型方法,它能够通过逐层方法通过一步制造工艺创建复杂的几何形状。用这种方法实现的简化制造为更有效的工业生产开辟了道路,并在生物医学设备等许多领域中应用。在生物医学中,血液是临床分析的黄金标准生物流体。然而,血细胞在许多测试程序中产生分析干扰;因此,在血液样品的分析测试之前将血浆与血细胞分离是重要的。在这项研究中,定制的树脂配方与高分辨率3D打印方法相结合,用于实现操作血浆分离模块化设备的快速原型优化方法。通过迭代过程,设计并制造了17种不同的原型,打印时间为5至12分钟。通过比色分析对最终设备进行了评估,验证了这种制造方法用于从全血中分离血浆的定性评估。这里使用的3D打印方法证明了这种微流体技术将为血浆分离生物医学设备市场带来的巨大贡献。
Additive manufacturing technology is an emerging method for rapid prototyping, which enables the creation of complex geometries by one-step fabrication processes through a layer-by-layer approach. The simplified fabrication achieved with this methodology opens the way towards a more efficient industrial production, with applications in a great number of fields such as biomedical devices. In biomedicine, blood is the gold-standard biofluid for clinical analysis. However, blood cells generate analytical interferences in many test procedures; hence, it is important to separate plasma from blood cells before analytical testing of blood samples. In this research, a custom-made resin formulation combined with a high-resolution 3D printing methodology were used to achieve a methodology for the fast prototype optimization of an operative plasma separation modular device. Through an iterative process, 17 different prototypes were designed and fabricated with printing times ranging from 5 to 12 min. The final device was evaluated through colorimetric analysis, validating this fabrication approach for the qualitative assessment of plasma separation from whole blood. The 3D printing method used here demonstrates the great contribution that this microfluidic technology will bring to the plasma separation biomedical devices market.
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