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Study of the Behaviour of Microparticle in the Standing Wave Trap
Ježek, Jan ; Jonáš, Alexandr ; Zemánek, Pavel ; Liška, M.
The basic behavior of microparticles placed in the Gaussian standing wave is studied theoretically and experimentally in this article. It is shown that the optical force depends periodically on the particle size and, as the consequence, the equilibrium object position is alternating between the standing wave antinodes and nodes. For certain particle sizes, the particle confinement is disabled. Experimental confirmation of the theoretical results is briefly discussed.
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Analytical and preparative separations of biologically active peptides by capillary and free-flow electromigration methods
Kašička, Václav ; Prusík, Zdeněk ; Sázelová, Petra ; Koval, Dušan ; Barth, Tomislav ; Hlaváček, Jan ; Ježek, Jan ; Klasová, Lenka ; Slaninová, Jiřina ; Velek, Jiří ; Vepřek, Pavel
Combination of capillary and free-flow electromigration methods has been applied to qualitative and quantitative microanalysis and preparative purification of biologically active peptides.
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Qualitative and quantitative microanalysis and preparative purification of biopeptides by capillary and continuous free-flow electrophoresis
Kašička, Václav ; Prusík, Zdeněk ; Sázelová, Petra ; Ježek, Jan ; Jiráček, Jiří ; Hlaváček, Jan ; Velek, Jiří ; Barth, Tomislav
High-performance capillary electrophoresis (HPCE) has been applied to qualitative and quantitative analysis of several biologically active peptides and their derivatives and fragments, e.g. insulins, insect oostatic hormones, and peptide and glycopeptide dendrimers.
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