目的研究改性后的医用聚丙烯材料的细胞毒性。
Objective to study on the cytotoxicity of modified PP membrane.
研究了聚- L -乳酸(PLLA)软骨组织工程支架的制备、改性及细胞相容性。
The preparation, modification, and cytocompatibility of poly-L-lactic acid (PLLA) scaffold for cartilage tissue engineering were studied.
对原始壳聚糖载体进行改性，提高其转染效率和对于呼吸道细胞的靶向性。
The original chitosan carrier is modified to improve the transfection efficiency and the targeted property to respiratory cells.
细胞培养实验结果表明：经丝素蛋白或丝素肽改性后，聚氨酯膜的生物相容性明显提高且处理效果是稳定的。
The results of cell culture test showed that polyurethane membranes modified with SF and SP had good biological compatibility and stability.
本文讨论了羊毛纤维在经过化学改性后，羊毛纤维角质鳞片细胞、细胞膜复合物、皮质细胞层的变化。
This paper describes the changes of cortex scale cell and cell membrane complex in chemically modified wool fibres.
环氧化合物改性后脱细胞真皮基质的拉伸强度大幅度提高，收缩温度也相应提高。
And the acellular dermal matrix modified by epoxy compound is improved a lot in tensile strength and a certain increase in shrinkage temperature.
细胞实验结果表明改性后形成的二氧化钛凝胶层能促进细胞在材料表面的伸展和早期黏附。
Results showed that there was not much change on surface topography after modification, just the colour of titanium sheet surface changed from argentite to aureate.
目前，细胞相容性聚合物的表面改性方法主要有：等离子体改性、接枝改性等方法。
To date, plasma and grafting has become main methods of surface modification of polymers.
采用冷冻干燥和热交联法对脱细胞血管基质进行改性，并进行组织学观察及力学性能测定。
Meanwhile, the mechanics capability of the vessel was measured. The endothelial cells isolated from umbilical cord vein were seeded on the acellular matrix scaffolds by tissue culture in vitro.
用改良的考马斯亮蓝法对硅片和改性后的硅片进行了蛋白质吸附研究，并采用荧光显微镜观察了胎鼠海马神经细胞在改性前后硅表面的黏附行为。
The amount of adsorbed protein on original and modified silicon surfaces was measured by a Coomassie brilliant blue protein assay. Cell adhesion behavior was then assessed by fluorescence microscopy.
并通过改性表面对成纤维细胞黏附与增殖的影响来验证其生物活性。
Then we evaluated its bioactivity by measuring the effects of modified surface on fibroblast attachment and proliferation.
解决了无机或有机材料的纳米改性而非活体细胞的改性的缺陷。
The method solves the defect of nano modification of inorganic or organic materials rather than the modification of living cells.
戊二醛改性后脱细胞真皮基质的收缩温度大大提高，但是抗撕裂能力减弱；
The acellular dermal matrix modified by glutaraldehyde increased in shrinkage temperature while tear resistance declined;
采用明胶及多聚赖氨酸对三者进行表面预处理，MTT法比较三者表面改性后犬血管平滑肌细胞的黏附生长情况。
The growth of SMCs was also assayed on the 3 scaffolds after they were pretreated with gelatin or Poly-1-lysine.
采用明胶及多聚赖氨酸对三者进行表面预处理，MTT法比较三者表面改性后犬血管平滑肌细胞的黏附生长情况。
The growth of SMCs was also assayed on the 3 scaffolds after they were pretreated with gelatin or Poly-1-lysine.
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