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This property has been widely utilized for the multiplexed sensing and barcoding of microparticles. <jats:styled-content style=\"fixed-case\">QD<\/jats:styled-content>s with narrower emission peaks are preferred for such applications. The width of the emission peaks can be significantly reduced after purification. A newly developed preparative isotachophoretic method employs the dependence of spectral properties and electrophoretic mobility on the diameter of <jats:styled-content style=\"fixed-case\">QD<\/jats:styled-content>s. Separated fractions of <jats:styled-content style=\"fixed-case\">QD<\/jats:styled-content>s revealed narrower emission peaks (72% of the original width) and improved quantum yield (two\u2010fold). The usefulness of the developed isotachophoresis for purification and analysis of other nanostructures, for example, plasmonic nanoparticles and nanobioconjugates, is expected, too.<\/jats:p>","DOI":"10.1002\/elps.201100696","type":"journal-article","created":{"date-parts":[[2012,5,30]],"date-time":"2012-05-30T14:32:16Z","timestamp":1338388336000},"page":"1427-1430","source":"Crossref","is-referenced-by-count":14,"title":["Isotachophoretic purification of nanoparticles: Tuning optical properties of quantum dots"],"prefix":"10.1002","volume":"33","author":[{"given":"Antonin","family":"Hlavacek","sequence":"first","affiliation":[{"name":"Department of Biochemistry Masaryk University  Brno Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Petr","family":"Skl\u00e1dal","sequence":"additional","affiliation":[{"name":"Department of Biochemistry Masaryk University  Brno Czech Republic"},{"name":"CEITEC MU Masaryk University  Brno Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,5,30]]},"reference":[{"key":"e_1_2_4_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00216-011-4704-1"},{"key":"e_1_2_4_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cocis.2011.01.004"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.trac.2010.10.006"},{"key":"e_1_2_4_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/elps.200900555"},{"key":"e_1_2_4_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac200853a"},{"key":"e_1_2_4_7_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac035083r"},{"key":"e_1_2_4_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200800409"},{"key":"e_1_2_4_9_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.281.5385.2013"},{"key":"e_1_2_4_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201004398"},{"key":"e_1_2_4_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/jp025541k"},{"key":"e_1_2_4_12_1","doi-asserted-by":"publisher","DOI":"10.1021\/la700325z"},{"key":"e_1_2_4_13_1","doi-asserted-by":"publisher","DOI":"10.1039\/b820703h"},{"key":"e_1_2_4_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/la903986v"},{"key":"e_1_2_4_15_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac702062u"},{"key":"e_1_2_4_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/elps.201000652"},{"key":"e_1_2_4_17_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00604-011-0729-6"},{"key":"e_1_2_4_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/elps.200500428"},{"key":"e_1_2_4_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/elps.200600737"},{"key":"e_1_2_4_20_1","volume-title":"Isotachophoresis. 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