UHMWPE fiber were treated by chromic acid etching and chemical vapor depositing polypyrrole (PPy).

采用铬酸刻蚀和化学气相沉积聚吡咯处理了超高相对分子质量聚乙烯(UHMWPE)纤维。

Factors affecting the activity of urease in PPy film were studied and activation energy of the ferment was determined.

研究了聚合条件对酶活性的影响，并测定了掺杂于聚吡咯中的脲酶的活化能等动力学参数。

The result shows that the release of 5-fu from the PPy film depends on the electrochemical REDOX process of the PPy film.

结果表明药物自膜中的释放是由聚吡咯膜的电化学氧化还原过程决定的。

The results show that PPy films have good biocompatibility and they can accelerate cell growth under electrical stimulation.

本文研究聚吡咯膜对大鼠肝细胞体外培养的生物兼容性和促进其生长的作用。

The effects of preparation parameters of PPy nanowire modified electrodes on electrochemical sensor performance were studied.

首次研究了制备聚吡咯纳米线修饰电极的电化学参数和溶液参数对传感器性能的影响。

The REDOX process and degeneration of polypyrrole (PPY) in solutions with various PH have been studied by in situ time-resolved Raman spectroscopy.

对不同pH值溶液中聚毗咯的电化学氧化还原行为进行了现场时间分辨拉曼光谱研究。

Conclusion the Ppy films have good biocompatibility and the ti disk coated with the Ppy film can accelerate osteoblast proliferation and differentiation with positive electrical stimulation.

结论聚吡咯涂层具有良好的生物相容性，并且在阳极电刺激作用下对成骨细胞的增殖和分化有明显的促进作用。

Polypyrrole(PPy) is a typical conducting polymer with many advantages such as ease of preparation, special electronic and electrochemical properties, harmlessness and good environmental stability.

聚吡咯（PPy）属于典型的本征态导电高分子，具有容易制备、无毒害和良好的环境稳定性等优点。