the present article intends to study badr shakir al sayyab poetries in descriptive – analytical method by place semiotics which is paid attention by linguists. the outcome is that the study of place semiotics assists us to find the place beauties in sayyab poetries and discover the hidden treasures inside his poetry by the cities and villages he met his beloved. this article has been done based...

The function of pslD, which is part of the psl operon from Pseudomonas aeruginosa, was investigated in this study. The psl operon is involved in exopolysaccharide biosynthesis and biofilm formation. An isogenic marker-free pslD deletion mutant of P. aeruginosa PAO1 which was deficient in the formation of differentiated biofilms was generated. Expression of only the pslD gene coding region resto...

Abstract. Shortly after the introduction of physical unit for magnetic field in 1832 and invention bifilar apparatus 1837, both being extraordinary scientific achievements that took place Göttingen, Clementinum observatory Prague became one first places where systematic observations horizontal intensity geomagnetic began. Karl Kreil was decisively responsible this. In this paper, we focus on ve...

Label-free detection of the interaction between hexahistidine-tagged human κ-opioid receptor membrane protein and anti-His antibody is demonstrated in liquid by an optical microelectromechanical system utilizing electromagnetically actuated microresonators. Shift in resonance frequency due to accretion of mass on the sensitive surface of microresonators is monitored via an integrated optical re...

We evaluate the ability of hexahistidine (His6) tags on peptide and protein substrates to recruit deoxyribozymes for modifying those substrates. For two different deoxyribozymes, one that creates tyrosine-RNA nucleopeptides and another that phosphorylates tyrosine side chains, we find substantial improvements in yield, kobs, and Km for peptide substrates due to recruiting by His6/Cu(2+). Howeve...

The purpose of the article is to characterize specifics O. Stefanovych's work in context "Prague" poets, reveal its artistic uniqueness, dominant moral and ethical existentials, philosophical content. main attention focused on overview stages writer's creative growth, taking into account lack research his figure by modern literary science. inner hermeticism poet among "people Prague" outlined. ...