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dc.contributor.authorZhu, CQ
dc.contributor.authorZheng, H
dc.contributor.authorLi, DH
dc.contributor.author李东辉
dc.contributor.authorLi, SH
dc.contributor.authorXu, JG
dc.date.accessioned2011-10-11T13:21:45Z
dc.date.available2011-10-11T13:21:45Z
dc.date.issued2004
dc.identifier.citationCHINESE JOURNAL OF CHEMISTRY,Volume 22, Issue 11, pages 1319–1324, November 2004zh_CN
dc.identifier.issn1001-604X
dc.identifier.urihttp://dx.doi.org/doi:10.1002/cjoc.20040221121
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/10905
dc.description.abstractThe fluorescence behavior of two near-infrared (NIR) chromophores with linear alkyl chains of different lengths, 2-[4'chloro-7'(3"ethyl-2"benzothiazolinylidene)-3',5'-(1''',3'''-propanediyl)-1',3',5'-heptantriene-1'-yl]-3-ethylbenzothiazolium iodide (Probe I) and 2-[4'chloro-7'(3"hexadecyl-2"benzothiazolinylidene)-3',5'-(1''',3'''-propanediyl)-1',3',5'-heptantriene-1'-yl]-3-ethylbenzothiazolium iodide (Probe II), in aqueous solution containing different concentrations of surfactants was studied. The fluorescence of the probe with a short chain (probe I) was completely quenched in water and aqueous solution containing a low concentration (below the critical micelle concentration, CMC) of surfactant Triton X-100. However, the fluorescence reappeared and reached maximum rapidly once the concentration of the surfactant approached the CMC. The probe with a long chain (probe II) displayed a similar fluorescence behavior but more dramatically fluorescent recovery in Triton X-100 system, which gave a direct indication for the micelle forming process and provided a simple method for the determination of the critical rnicelle concentration of the surfactant. The CMC values determined by this method were in good agreement with those obtained by other techniques. The fluorescence behavior of the two probes in other surfactant systems was also investigated.zh_CN
dc.language.isoenzh_CN
dc.publisherSCIENCE CHINA PRESSzh_CN
dc.subjectTriton X-100zh_CN
dc.subjectcritical micelle concentration (CMC)zh_CN
dc.subjectnear-infrared (NIR) dyezh_CN
dc.subjectfluorimetryzh_CN
dc.titleNear-infrared hydrophobic probes as molecular light switch for CMC determination of Triton X-100 solutionzh_CN
dc.typeArticlezh_CN


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