Micellar LC Review Part1

Методы и объекты химического анализа, 2007, т. 2, № 2, С. 92–116. © A.P. Boichenko, L.P. Loginova, A.U. Kulikov 92 Micellar liquid chromatography (Review). Part 1. Fundamentals, retention models and optimization of separation A. P . Bo ichenko 1 , L. P. Loginova 1 , A. U. Kulikov 1,2 1 Department of Chemical Metrology, V. N. Karazin Kharkov National University, Svoboda sq. 4, 61077 Kharkov, Ukraine; e-mail: [email protected]; [email protected] 2 Laboratory of Pharmacopoeial Analysis, Scientific and Ex pert Pharmacopoeial Centre, Astronomicheskaya str. 33, 61085 Kharkov, Ukraine First part of review Micellar liquid ch romatography is devoted to fundamentals and problems of retention modeli ng and optimi zation o f separatio n. The 1 17 literature references have been criti cally analy zed. The known c onceptual, mechanistic and empirical retention models are reviewed, classified and discussed. The methodologies of optimization of separation in high-performance liquid chromatography and micellar liquid chromatography are the subjects of much study. About 15 elementary and global resolution criteria are collected and tabulated with the special attention of their application for optimization of separation in micellar liquid chromatography. Keywords: micellar liquid chromatography · retention models · separation · peak resolution Received: 03 May 2007 / Accepted: 05 October 2007 The most required and progressive area of analytical science is liquid chromatography . The special periodi- cals in chromatography have the highest values of im- pact factors and citation indexes among the analytical peer-re viewed journals all over the world. The most articles devoted to liquid chromatography are published in: Separation and Purification Reviews, Journal of Chroma- tography A, Journal of Chroma tography B, Chromato- graphia, Journal of Liquid Chromatography and Related Technologies, Journal of Separation Science, Journal of Chromatographic Science. The articles related to liquid chromatography constitute a high proportion of publica- tions in journals covering all aspects of analytical science: Analytical Chemistry , Analytica Chimica Acta, Ana- lyst, T rends in Ana lytical Chemi stry, T alanta , Analyti cal Communications, Analytical and Bioanalytical Chemistry etc. (see full list of such journals [1, 2]). Micellar liquid chromatography (MLC) is one of the many areas of liquid chromatography , which evolved from the studies of organized solutions. The solutions of surfactants above the critical micelle concentration (CMC) belong to most extensively studied organized solutions were used as mobile phases in MLC. The same organized solutions are being studied now as mobile phases in micellar el ectrokinetic chromatography . The starting point of MLC was pioneering by works of Armstrong more than 25 years ago [3]. The evolution of MLC is reflected in over 500 articles and reviews. The importance of MLC is confirmed by occurrence of the book “Micellar Liquid Chromatography” published by Berthod and Garcia-Alvarez-Coque [4], chapter in “Encyclopedia of Separation Science” [5] and a volume in “Compr ehensive Analytical Chemistry” edited by Pr amauro and Pelizzet ti [6]. Theory and application of MLC is being developed by scientific groups in Spain, Fr ance, USA, Japan, Georgia, China, India, Pakistan, Iran etc. MLC today is extensive field of investigation that comprehended the problems of analytical chemistry, pharmacy and medicine, food and agricultural chemistry, chemometrics and physicochemical studies. Several ex cellent reviews have appeared d uring the development of theory and practice of MLC [7 , 9–21] Most of them have been published in special issue of Journal o f Chroma tography A (1997 , Vol. 78 0) tha t was aimed to collect most important achievements in micelle-mediated separation techniques [14–16, 20, 21]. Good review about all aspects of MLC has been published by Basova et al. [10] in Russian. Unfortunately, we do not know experimental or theoretical works on MLC that were published by Russian authors. Recently, two reviews related with optimization of separation in RP- HPLC have been published by Spanish authors and most of their results obtained in MLC have been discussed [8, 11]. In 2004 review had been published in Ukrainian journal [9] in which much attention has been paid to peculiarities of mobile and stationary phase in MLC and practical application of this technique in pharmaceutical analysis.

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Micellar LC Review Part1