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Citation: Du Xin-Zhen, Wang Ya-Rong, Lü Wei-Hua, Sun Yan-Chun, Teng Xiu-Lan, Hou Jing-Guo. Association of Polyoxyethylene n-octylphenol Ether with β-cyclodextrin[J]. Acta Physico-Chimica Sinica, ;2004, 20(11): 1376-1379. doi: 10.3866/PKU.WHXB20041118 shu

Association of Polyoxyethylene n-octylphenol Ether with β-cyclodextrin

1.
Department of Chemistry, Northwest Normal University, Lanzhou　730070

Received Date: 22 April 2004
Available Online: 15 November 2004

Association of polyoxyethylene n-octylphenol ether(OP) with β-cyclodextrin(β-CD) was investigated using OP as a fluorescent probe. The results show that the n-octyl with phenyl ring was entrapped into the cavity of β-CD. 1-bromo-naphthaline (BN) was further employed as a phosphorescent probe to monitor the binding site of OP and the spatial effect of OP on BN. The n-octyl chain of OP was located in the cavity of β-CD in a compressed manner. As a result, the binding strength of BN to the β-CD cavity occupied by OP decreases due to the geometric considerations.
- β-cyclodextrin;Polyoxyethylene n-octylphenol ether;Nonionic surfactant;Fluorescence;Phosphorescence
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