Citation: Jia Wang, Li Hua Zhu, Jing Li, He Qing Tang. Antioxidant activity of polyaniline nanofibers[J]. Chinese Chemical Letters, ;2007, 18(8): 1005-1008. doi: 10.1016/j.cclet.2007.05.056 shu

Antioxidant activity of polyaniline nanofibers

Department of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Huazhong University of Science and Technology, Wuhan 430074, China

Received Date: 11 April 2007

Fund Project: This work was partly supported by the grant from the National Natural Science Foundation of China (no. 20677019). The Center of Analysis and Testing of Huazhong University of Science and Technology is thanked for characterizing PANI.

Well-confined uniform polyaniline (PANT) nanofibers were synthesized by using photo-assisted chemical oxidative polymerization of aniline in the presence of different dopant acids, and the radical scavenging ability of the produced PANI nanofibers was determined by the DPPH assay. It was found that the antioxidant activity of PANI nanofibers was higher than conventional PANI, and increased with decreasing of averaged diameter of the nanofibers. The enhanced antioxidant activity was concerned with increased surface area of PANI nanofibers.
- Polyaniline nanofibers,
- Dopant acids,
- Antioxidant activity,
- DPPH radical
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