Effect of surfactants on the spectrofluorimetric properties of zearalenone

被引：17

作者：

Appell, Michael ^{[1
]}

Bosma, Wayne B. ^{[2
]}

机构：

[1] ARS, USDA, Natl Ctr Agr Utilizat Res, Peoria, IL 61604 USA

[2] Bradley Univ, Dept Chem & Biochem, Peoria, IL 61625 USA

来源：

JOURNAL OF LUMINESCENCE | 2011年 / 131卷 / 11期

关键词：

Fluorescence; Zearalenone; Mycotoxin; Binding constant; Surfactant; MODULATED PHOTOPHYSICS; FLUORESCENCE; EXTRACTION; CYCLODEXTRINS; ENVIRONMENTS; MYCOTOXINS; AFLATOXINS;

D O I：

10.1016/j.jlumin.2011.05.061

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The chemiluminescent properties of the estrogenic mycotoxin zearalenone in the presence of aqueous micellar media were investigated using steady state fluorescence techniques. Micelles of surfactants sodium dodecyl sulfate (SDS), hexadecyltrimethylammonium bromide (CTAB), and non-ionic Triton X-100 enhanced the fluorescence intensity of zearalenone in aqueous solutions. The binding constants have been determined and indicate zearalenone has the highest affinity for Triton X-100, followed by CTAB, and then by SDS. The encapsulation of zearalenone by the micelles studied is spontaneous and exothermic. The selective microenvironments provided by organized micellar systems offer an attractive medium to modulate fluorescence detection of zearalenone. Published by Elsevier B.V.

引用

页码：2330 / 2334

页数：5

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