...内酯和羰基铁粉复合材料的表面表征,Polymer Composites - X-MOL

来自 : www.x-mol.com/paper/1328815785 发布时间：2021-03-25

In tissue engineering applications, various synthetic biodegradable polymers have got attention due to their excellent physical as well as biological properties. Polycaprolactone (PCL) has been identified as one of the best biocompatible polymers, which have wide applications in biomedical engineering. The surface properties of PCL have limited its utilization in tissue engineering. The researchers have also focused on the development of the PCL blends to enhance the surface characteristics. In the present study, carbonyl iron powder (CIP) reinforced PCL blends were fabricated by the solvent cast 3D printing (SC‐3DP) technique. The characterization techniques such as X‐ray diffraction, atomic force microscopy, and surface energy measurement by contact angle were used. The surface free energy of all the surfaces with their polar components was determined by Owens Wendt method. The fibroblasts cell responses were also examined for the assessment of biological properties. The results revealed that the increase in the percentage of CIP in the PCL matrix enhanced the value of surface free energy. The CIP reinforcement influenced the topography and surface roughness of the prepared composites. The change in surface properties affected the cell interactions on the surfaces, as investigated by cell viability test. The cell adhesion and viability were improved at a lower percentage of CIP.
2020年11月17日在本研究中,通过溶剂浇铸3D打印(SC-3DP)技术制造了羰基铁粉(CIP)增强的PCL共混物。使用了诸如X射线衍射,原子力显微镜和通过接触角测量表面能等表征技...溶剂浇铸3D打印组织工程用聚己内酯和羰基铁粉复合材料的表面表征; Jasvinder Singh, Pulak Mohan Pandey, Tejinder Kaur, Neetu Singh; Polym. Compos.; Polymer Composites; X-MOL在组织工程应用中，各种合成的可生物降解的聚合物因其出色的物理和生物学特性而受到关注。聚己内酯（PCL）被认为是最好的生物相容性聚合物之一，在生物医学工程中具有广泛的应用。PCL的表面性质限制了其在组织工程中的利用。研究人员还专注于PCL共混物的开发以增强表面特性。在本研究中，通过溶剂浇铸3D打印（SC-3DP）技术制造了羰基铁粉（CIP）增强的PCL共混物。使用了诸如X射线衍射，原子力显微镜和通过接触角测量表面能等表征技术。所有表面及其极性成分的表面自由能均通过Owens Wendt方法确定。还检查了成纤维细胞反应，以评估其生物学特性。结果表明，PCL基质中CIP百分比的增加提高了表面自由能的值。CIP增强影响了所制备复合材料的形貌和表面粗糙度。通过细胞活力测试研究，表面性质的变化影响了表面上的细胞相互作用。在较低的CIP百分比下，细胞粘附力和生存能力得到改善。结果表明，PCL基质中CIP百分比的增加提高了表面自由能的值。CIP增强影响了所制备复合材料的形貌和表面粗糙度。如细胞活力测试所调查，表面性质的变化影响了表面上的细胞相互作用。在较低的CIP百分比下，细胞粘附力和生存能力得到改善溶剂浇铸3D打印组织工程用聚己内酯和羰基铁粉复合材料的表面表征,Polymer Composites