具有增强亲水性和抗凝性能的聚对苯二甲酸乙二醇酯-洋甘菊油共混物的制备和表征。

IF 4.4 3区 医学 Q2 ENGINEERING, BIOMEDICAL
Progress in Biomaterials Pub Date : 2020-09-01 Epub Date: 2020-06-21 DOI:10.1007/s40204-020-00133-4
Maie A Fadel, Nagwa A Kamel, Mirhane M Darwish, Salwa L Abd El-Messieh, Kamal N Abd-El-Nour, Wafaa A Khalil
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引用次数: 8

摘要

制备了不同浓度(50、100和200µL)洋甘菊油(CAO)的聚对苯二甲酸乙二醇酯(PET)共混膜。研究了油对PET介电性能、结构性能和表面性能的影响。通过接触角测量来评价共混膜的润湿性。通过体外血小板表面粘附和凝血评估来评价新共混物在血液接触应用中的行为。研究结果表明,接触角测量值的减小表明,PET- cao共混物在100µL时的润湿性比纯PET增强。共混物的衰减全反射-傅里叶变换红外光谱证实了聚合物基体中存在洋甘菊油,并表明它们之间存在相互作用。当含油量达到100µL时,介电常数ε′值随含油量的增加而减小。另一方面,当油含量增加到100 μ L时,介电损耗ε″值增加,然后减小。血液部分凝血活素时间(PTT)的延迟将验证PET-CAO混合物的抗凝性能。结果表明,浓度为100µL的PET-CAO共混物可被认为是一种有前途的血液接触应用候选材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation and characterization of polyethylene terephthalate-chamomile oil blends with enhanced hydrophilicity and anticoagulant properties.

New blend films based on polyethylene terephthalate (PET) with different concentrations (50, 100 and 200 µL) of chamomile oil (CAO) were prepared. The effect of oil on the dielectric properties, structural and surface properties of PET was studied. The wettability of the blend films was evaluated by contact angle measurements. In vitro platelet adhesion on the surface and coagulation assessment were conducted to evaluate the behavior of the new blends for blood contact applications. Results of the study indicate that the wettability of PET-CAO blends up to 100 µL has been enhanced relative to the pure PET as indicated by the decrease in contact angle measurements. The attenuation total reflection-Fourier transform infrared spectra of the blends confirmed the presence of chamomile oil in the polymer matrix and suggested the presence of interaction between them. The permittivity ε' values decreased by increasing oil content upto 100 µL. On the other hand, the values of dielectric loss ε″ were found to increase by increasing oil content to 100 µL after which it decreased. The delay in partial thromboplastin time (PTT) of the blood would validate the anti-coagulant property of PET-CAO blends. The results demonstrated that the PET-CAO blends with concentration of 100 µL could be considered as a promising candidate material in blood contact application.

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来源期刊
Progress in Biomaterials
Progress in Biomaterials MATERIALS SCIENCE, BIOMATERIALS-
CiteScore
9.60
自引率
4.10%
发文量
35
期刊介绍: Progress in Biomaterials is a multidisciplinary, English-language publication of original contributions and reviews concerning studies of the preparation, performance and evaluation of biomaterials; the chemical, physical, biological and mechanical behavior of materials both in vitro and in vivo in areas such as tissue engineering and regenerative medicine, drug delivery and implants where biomaterials play a significant role. Including all areas of: design; preparation; performance and evaluation of nano- and biomaterials in tissue engineering; drug delivery systems; regenerative medicine; implantable medical devices; interaction of cells/stem cells on biomaterials and related applications.
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