| A general chemiluminescence method for the determination of surfactants based on its quenching effect on the luminol-NaIO4-cyclodextrin reaction. | |
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MedLine Citation:
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PMID: 15565229 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Here we report that all types of surfactant could be simply and sensitively determined, by directly quenching the chemiluminescence (CL) between luminol and NaIO4 in a basic solution containing one polyhydroxyl compound such as cyclodextrin (CD), glucose or glycerol. This specific quenching effect was attributed to the change of the microenvironment of the CL reaction, caused by the addition of various surfactants. Based on this fact, the potential use of this CL reaction was exemplified by the cationic surfactant CTMAB, anionic surfactant SDS and non-ionic surfactant Triton X-100. It was found that the measurable range of CTMAB, SDS and Triton X-100 were 4.0 x 10(-6)-4.0 x 10(-4) M by using a basic CD-luminol-NaIO4 CL reaction. With our simple setup, CTMAB, SDS and Triton X-100 were detectable at a concentration as low as 2 microM. Overall, this new CL reaction is quite promising for the post-column determination of surfactant mixtures. |
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Authors:
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Zhijuan Cao; Choiwan Lau; Jianzhong Lu |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2004-07-26 |
Journal Detail:
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Title: The Analyst Volume: 129 ISSN: 0003-2654 ISO Abbreviation: Analyst Publication Date: 2004 Dec |
Date Detail:
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Created Date: 2004-11-26 Completed Date: 2005-05-24 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0372652 Medline TA: Analyst Country: England |
Other Details:
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Languages: eng Pagination: 1262-6 Citation Subset: IM |
Affiliation:
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School of Pharmacy, Fudan University, 138 Yixueyuan Road, Shanghai 200032, PR China. jzlu@shmu.edu.cn |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Chemiluminescent Measurements Cyclodextrins Flow Injection Analysis Luminol Sodium Iodide Surface-Active Agents / analysis* |
| Chemical | |
Reg. No./Substance:
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0/Cyclodextrins; 0/Surface-Active Agents; 521-31-3/Luminol; 7681-82-5/Sodium Iodide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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