Národní úložiště šedé literatury Nalezeno 16 záznamů.  1 - 10další  přejít na záznam: Hledání trvalo 0.00 vteřin. 
Vibrational circular dichroism of peptides in the region of N-H and C-H stretching vibrations
Maloň, Petr ; Gut, Vladimír ; Pospíšek, Jan ; Vašíčková, Soňa ; Coufalová, Pavla ; Mařík, Jan
A new vibrational circular dichroism spectrometer, which is optimized for the near IR region is developed. The instrument is based on the classical concept using a monochromator.
Analysis and characterization of phosphinic pseudopeptides by capillary zone electrophoresis
Koval, Dušan ; Jiráček, Jiří ; Collinsová, Michaela ; Kašička, Václav
Phosphinic pseudopeptides of general structure N-Ac-Val-Ala.psi.(PO.sub.2./sub.-CH.sub.2./sub.)Leu-Xaa-NH.sub.2./sub., where Xaa represents one of 20 proteinogenic amino acid residues were studied. Separation of diastereomers of some peptides was achieved in acid electrolyte.
Separation of amino acids by open tubular capillary electrochromatography in fused silica capillaries with inner surface modified by porphyrins
Charvátová, J. ; Král, V. ; Kašička, Václav
Porphyrin derivatives were investigated as modifiers of the inner surface of the capillary in open tubular capillary electrochromatography. Separation of aliphatic amino acids was not affected by porphyrin modifier.
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.
Separation of peptides by capillary zone electrophoresis with regulation of electroosmotic flow by radial electric field
Kašička, Václav ; Prusík, Zdeněk ; Sázelová, Petra ; Koval, Dušan ; Barth, Tomislav ; Brynda, Eduard ; Stejskal, Jaroslav
A new way of control of efficiency, resolution and speed of peptide separations by capillary zone electrophoresis based on the regulation of electroosmotic flow by radial electric field has been developed.
Conditions for following the metabolism of oostatic peptides in .I.Neobellieria bullata./I. by mass spectrometry and radiolabelling
Tykva, Richard ; Šimek, Petr ; Bennettová, Blanka ; Holík, Josef ; Hlaváček, Jan ; Havlíček, Libor
Metabolism of peptides with proven effect on the egg development has been studied after injection of radiolabelled sequences into flies .I.Neobellieria bullata./I..
Induction of ovulation in rudd (.I.Scardinius erythrophthalmus./I.) using hormone preparations
Hamáčková, J. ; Kouřil, J. ; Barth, Tomislav ; Lepičová, A. ; Kozák, P. ; Lepič, P.
Ovulation was induced in the female rudd by applying analogs of mammalian GnRH marketed under the brand names Supergestran and Ovopel together with á-dopaminergic inhibitor metachloropromide.
Detection of oxytocin binding sites in the blood vessels of chicken
Nazarov, Elšan ; Slaba, J. ; Lidická, M. ; Slaninová, Jiřina
..sup.125./sup.I-OTA was bound specifically to the membrane preparation from chicken blood vessels with B.sub.max./sub. = 128 fmol/mg of protein and .I.K./I..sub.d./sub. = 0.076 nM.
Effect of .I.N./I.-methylation of the peptide bond in the C-terminal part of the B-chain of human insulin on biological activity
Klasová, Lenka ; Zórad, Š. ; Velek, Jiří ; Ježek, Jan ; Kašička, Václav ; Barthová, J. ; Barth, Tomislav
Affinity of six analogs of human insulin to insulin receptors in rat adipose tissue and their ability to stimulate the transport of 2-deoxy-D-1 3 H-glucose into isolated rat adipocytes was determined.
New potential precursors of small biologically active peptides
Straková, Jana ; Klasová, Lenka ; Barthová, J. ; Barth, Tomislav
Five precursors of small biologically active peptides were prepared by enzymatic semisynthesis. Two naturally occurring enkephalins and three enkephalin analogs were attached to desoctapeptide insulin.

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