{"title":"一些10- n -烷基3,6-二甲基氨基吖啶盐在水溶液中的缔合平衡","authors":"Lucia Costantino, Ornella Ortona, Roberto Sartorio, Leonardo Silvestri, Vincenzo Vitagliano","doi":"10.1016/0378-4487(81)80013-1","DOIUrl":null,"url":null,"abstract":"<div><p>The association equilibrium of three 10-N-alkyl derivatives of acridine orange in aqueous solution has been studied spectrophotometrically. The ΔF<sub>D</sub>, ΔH<sub>D</sub>, and ΔS<sub>D</sub> of dimerization have been computed through the experimental light absorption spectra.</p><p>The results are in favour of the assumption that hydrophobic interactions play a relevant role on the dye stacking in aqueous solution.</p></div>","PeriodicalId":100049,"journal":{"name":"Advances in Molecular Relaxation and Interaction Processes","volume":"20 4","pages":"Pages 191-198"},"PeriodicalIF":0.0000,"publicationDate":"1981-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4487(81)80013-1","citationCount":"8","resultStr":"{\"title\":\"Association equilibria of some 10-N-alkyl 3,6-bis dimethylamino acridinium salts in aqueous solution\",\"authors\":\"Lucia Costantino, Ornella Ortona, Roberto Sartorio, Leonardo Silvestri, Vincenzo Vitagliano\",\"doi\":\"10.1016/0378-4487(81)80013-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The association equilibrium of three 10-N-alkyl derivatives of acridine orange in aqueous solution has been studied spectrophotometrically. The ΔF<sub>D</sub>, ΔH<sub>D</sub>, and ΔS<sub>D</sub> of dimerization have been computed through the experimental light absorption spectra.</p><p>The results are in favour of the assumption that hydrophobic interactions play a relevant role on the dye stacking in aqueous solution.</p></div>\",\"PeriodicalId\":100049,\"journal\":{\"name\":\"Advances in Molecular Relaxation and Interaction Processes\",\"volume\":\"20 4\",\"pages\":\"Pages 191-198\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0378-4487(81)80013-1\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Molecular Relaxation and Interaction Processes\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0378448781800131\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Molecular Relaxation and Interaction Processes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0378448781800131","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
摘要
用分光光度法研究了吖啶橙3个10- n -烷基衍生物在水溶液中的缔合平衡。通过实验光吸收光谱计算了二聚化反应的ΔFD、ΔHD和ΔSD。研究结果支持了疏水相互作用对染料在水溶液中的堆积起相关作用的假设。
Association equilibria of some 10-N-alkyl 3,6-bis dimethylamino acridinium salts in aqueous solution
The association equilibrium of three 10-N-alkyl derivatives of acridine orange in aqueous solution has been studied spectrophotometrically. The ΔFD, ΔHD, and ΔSD of dimerization have been computed through the experimental light absorption spectra.
The results are in favour of the assumption that hydrophobic interactions play a relevant role on the dye stacking in aqueous solution.
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