National Repository of Grey Literature 14 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Neuropeptidy regulující tvorbu puparia u larev much
Žďárek, Jan ; Verleyen, P.
The active factor from the neural tissues of the flesh fly, Neobellieria bullata is a peptide belonging to the pyrokinin/ PBAN family and named Neb-PK-2 (SVQFKPRL-amide). The active principle from the haemolymph is a protein but its identity is still elusive.
Příprava a charakterizace [Glu]n peptidů
Šolínová, Veronika ; Přibylová, Marie ; Kašička, Václav ; Vaněk, Tomáš ; Barthová, J. ; Barth, Tomislav ; Lepša, L.
Several oligomers of L-glutamic acid (n = 2-10) were synthesized by a solid phase method, analyzed and separated by capillary zone electrophoresis (CZE) as anions in alkaline background electrolytes of different composition at pH range 8.1-10.0.
Predikce tvaru molekul a separace strukturně příbuzných hormonů uvolňujících gonadotropin (GnRH) kapilární elektroforézou
Šolínová, Veronika ; Kašička, Václav ; Sázelová, Petra ; Barth, Tomislav
Semiempirical models of the dependence of effective mobility of peptides on the ratio of their charge and relative molecular mass were tested to describe the electromigration behavior of peptides, particularly the shape of their molecules.
Nukleofilní substituce na akridinu - možný viník za interakci akridinu s prionovým proteinem
Šebestík, Jaroslav ; Pavlíček, A. ; Šafařík, Martin ; Holada, K. ; Hlaváček, Jan ; Stibor, I.
Covalent modification of lysine residue side chains in the hydrophobic core of prion protein aggregates could explain the discrepancy between the ability of the acridine drug quinacrine to reduce efficiently the incidence of prion protein in cell culture and its weak prion binding affinity.
Interpretace elektronických a vibračních spekter flexibilních a solvatovaných peptidů
Šebek, Jiří ; Kapitán, Josef ; Bouř, Petr
In an effort to develop computational procedures feasible for interpretation of spectral properties of flexible and solvated systems, the conformational behavior of small model amides was analyzed.
Užití kapilární zónové elektroforézy a izotachoforézy k vyhodnocení stupně čistoty a obsahu protiiontů v preparátech lecirelinu
Sázelová, Petra ; Kašička, Václav ; Šolínová, Veronika ; Flegel, Martin ; Barth, Tomislav
Different batches of lecirelin, analogue of LH-RH, were checked for purity.. The mass percentages of contaminating compounds were determined by CITP in anionic mode.
Sterilizační účinek oostatického pentapeptidu na reprodukci Pyrrhocoris apterus
Němec, Václav ; Tykva, Richard ; Hlaváček, Jan ; Holík, Josef
The effect of an oostatic pentapeptide, H-Tyr-Asp-Pro-Ala-Pro-OH, on reproduction of the bug Pyrrhocoris apterus was studied. The peptide decreased the number of laid eggs in the first ovarian cycle.
Buňky PC12 obsahují vazebná místa pro CART
Maixnerová, Jana ; Blokešová, Darja ; Matyšková, Resha ; Haugvicová, Renata ; Šloncová, Eva ; Elbert, Tomáš ; Železná, Blanka ; Maletínská, Lenka
Specific binding of 125I-CART(61-102) to the rat adrenal pheochromocytoma PC12 cell line, both intact cells and cell membranes is reported.
Separace a charakterizace peptidů kapilární elektroforézou v silně kyselých/bazických základních elektrolytech
Kašička, Václav ; Koval, Dušan ; Šolínová, Veronika ; Sázelová, Petra
Capillary zone electrophoresis in strongly acidic (pH 1.5 – 3.5) and strongly basic (pH 10 – 12) background electrolytes has been applied to separation and physicochemical characterization of biopeptides possessing ionogenic groups with low and high acidity constants (pKa).
Distribuce a degradace oostatických peptidů v masařce Neobellieria bullata
Hlaváček, Jan ; Bennettová, Blanka ; Slaninová, Jiřina ; Černý, B. ; Vlasáková, Věra ; Holík, Josef ; Ježek, Rudolf ; Tykva, Richard
Distribution and degradation of oostatic peptides in the selected organs of flesh fly Neobellieria bullata was investigated using tritium labeled molecules. The degradation of peptides proceeded fast at both the amino and carboxy termini and resulted in formation of transient tetra and tripeptide sequences.

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