The results show that MWNTs functionalized with hydroxyl and carboxyl groups form an efficient matrix for the growth of HAp crystals.

• 实验表明:经过浓硝酸氧化处理之后,多壁碳纳米管的端口被打开并在缺陷处引入大量的羟基与羧基,这是原位合成复合材料的基础;