Reduction of thrombotic and inflammatory complications of polystyrene-block-polyisoprene-block-polystyrene (SIS) with one-step electrospinning
Reduction of thrombotic and inflammatory complications of polystyrene-block-polyisoprene-block-polystyrene (SIS) with one-step electrospinning
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通过一步静电纺丝减少聚苯乙烯-嵌段-聚异戊二烯-嵌段-聚苯乙烯(SIS)的血栓和炎症并发症
DOI:
10.1080/09205063.2019.1707943
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发表时间:
2019-12
期刊:
影响因子:
--
通讯作者:
Yin Jinghua
中科院分区:
文献类型:
--
作者:
Wang Haozheng;Ma Zhifang;Liu Jingchuan;Shi Qiang;Yin Jinghua
Abstract Polystyrene-block-polyisoprene-block-polystyrene (SIS) has been used as biomaterials due to its soft and stable properties under physiological conditions. However, the thrombotic and inflammatory complications caused by SIS restrain its application as blood-contacting implant. To overcome this problem, the hydrophilic core-shell structured SIS-based microfiber with antioxidant encapsulation is fabricated with one-step reactive electrospinning. We demonstrate that the phase separation of SIS and acylated Pluronic F127 (F127-DA) components and crosslinking during electrospinning renders the microfiber blood compatible and stable under physiological condition; the encapsulation of 2-O-d-glucopyranosyl-l-ascorbic acid (AA-2G) in microfiber and subsequent release of AA-2G detoxifies the excess reactive oxygen species (ROS). The microfibers are nontoxic to cells and promote the fast growth and proliferation of human umbilical vein endothelial cells (HUVECs) in the presence of ROS; the thrombotic and inflammatory complications are effectively reduced with implant evaluation in vivo. Therefore, our work paves a new way to improve the biocompatibility of SIS, making it a promising candidate for blood contact materials.
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DOI:
10.1007/s10856-015-5628-7
发表时间:
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期刊:
Journal of materials science. Materials in medicine
影响因子:
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发表时间:
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Vascular Disease Prevention
影响因子:
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