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Equations were derived to calculate the specific capacity factor <jats:italic>K<\/jats:italic><jats:sub>s<\/jats:sub> (the capacity factor, <jats:italic>K<\/jats:italic>\u2032, normalized to the liposome concentration 1 <jats:sc>M<\/jats:sc>) from the migration times and to estimate the difference in free energy, \u0394(\u0394<jats:italic>G<\/jats:italic><jats:sup>0<\/jats:sup>), of the weak analyte\/liposome interactions. The order of <jats:italic>K<\/jats:italic><jats:sub>s<\/jats:sub> values for the drugs tested was aspirin &lt; salicylic acid &lt; warfarin &lt; sulfasalazine. The peptide TyrGlySerThrProGlyCysCys interacted more strongly with the liposomes (<jats:italic>K<\/jats:italic><jats:sub>s<\/jats:sub> = 10.1 <jats:sc>M<\/jats:sc><jats:sup>\u22121<\/jats:sup>) than did TyrGlySerThrProGlySerSer (<jats:italic>K<\/jats:italic><jats:sub>s<\/jats:sub> = 9.1 <jats:sc>M<\/jats:sc><jats:sup>\u22121<\/jats:sup>). These results were similar to those obtained earlier by immobilized liposome chromatography.<\/jats:p>","DOI":"10.1002\/elps.11501601251","type":"journal-article","created":{"date-parts":[[2005,5,28]],"date-time":"2005-05-28T10:29:35Z","timestamp":1117276175000},"page":"1519-1523","source":"Crossref","is-referenced-by-count":85,"title":["Liposome capillary electrophoresis for analysis of interactions between lipid bilayers and solutes"],"prefix":"10.1002","volume":"16","author":[{"given":"Yanxiao","family":"Zhang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rong","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stellan","family":"Hjert\u00e9n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Per","family":"Lundahl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,4,14]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9673(01)83992-3"},{"key":"e_1_2_1_3_2","doi-asserted-by":"crossref","unstructured":"Brekkan E. 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