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It was found that in the presence of cationic\u2010rich catanionic mixtures, DNA molecules exhibit a conformational transition from elongated coil to compact globule states. Moreover, if the catanionic mixtures form positively charged vesicles, DNA is adsorbed onto the surface of the vesicles in a collapsed globular form. When anionic\u2010rich catanionic mixtures are present in the solution, no change in the DNA conformational behavior was detected. Cryogenic transmission electron microscopy, as well as measurements of translational diffusion coefficients of individual DNA chains, supported our optical microscopy observations.<\/jats:p>","DOI":"10.1016\/s0014-5793(99)00699-7","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T17:52:28Z","timestamp":1027619548000},"page":"113-118","source":"Crossref","is-referenced-by-count":77,"title":["DNA conformational dynamics in the presence of catanionic mixtures"],"prefix":"10.1002","volume":"453","author":[{"given":"Sergey M.","family":"Mel'nikov","sequence":"first","affiliation":[]},{"given":"Rita","family":"Dias","sequence":"additional","affiliation":[]},{"given":"Yuliya S.","family":"Mel'nikova","sequence":"additional","affiliation":[]},{"given":"Eduardo F.","family":"Marques","sequence":"additional","affiliation":[]},{"given":"Maria G.","family":"Miguel","sequence":"additional","affiliation":[]},{"given":"Bj\u00f6rn","family":"Lindman","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[1999,6,17]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0301-4622(83)87001-X"},{"key":"e_1_2_5_3_1","doi-asserted-by":"crossref","unstructured":"Shirahama K. 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