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Citation: ZHU Jun, QIAN Jun-Hong, GUO Rong. Interaction of Cephanone with Triton X-100 Aggregates[J]. Acta Physico-Chimica Sinica, ;2005, 21(03): 234-238. doi: 10.3866/PKU.WHXB20050302 shu

Interaction of Cephanone with Triton X-100 Aggregates

1.
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou　225002

Received Date: 15 July 2004
Available Online: 15 March 2005

The effects of cephanone on the surface activity and aggregation behavior of Triton X-100 molecule were studied by the methods of surface tension and fluorescence, respectively. The binding constant between cephanone and Triton X-100 micelles was determined by the method of steady state fluorescence. The location of cephanone in Triton X-100 micelles was investigated through nuclear magnetic spectroscopy (NMR). The results showed that the surface activity of Triton X-100 decreased with the increase of cephanone concentration. With the increase of Triton X-100 concentration, the binding constant between cephanone and Triton X-100 micelles decreased, but the distribution coefficient of cephanone between Triton X-100 micelles and water continuous phase kept being invariable. The results of ¹H-NMR showed that cephanone was located around the polar group of Triton X-100 micelle.
- Cephanone; Triton X-100; Surface activity; Aggregation number;Binding constant; Distribution coefficient
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