We pose a monotonicity conjecture on the number of pseudo-triangulations of any planar point set, and check it on two prominent families of point sets, namely the so-called double circle and double chain. The latter has asymptotically 12nnΘ(1) pointed pseudo-triangulations, which lies significantly above the maximum number of triangulations in a planar point set known so far. ⋆ Parts of this wo...

OBJECTIVES Rheumatological conditions are common, thus nurses (Ns) occupational therapists (OTs) and physiotherapists (PTs) require at least basic rheumatology knowledge upon qualifying. The aim of this study was to develop a core set of teaching topics and potential ways of delivering them. METHODS A modified Delphi technique was used for clinicians to develop preliminary core sets of teachi...

The electronic structures and stability of nitrogen nanostructures, nanotubes, and fiberlike nanoneedles of various diameters, formed by units N2m (m = 2-6), were studied by quantum chemistry computational modeling methods. The geometrical structures with various cross-sections and terminal units, their energetic stability, and their rather peculiar electron density distributions were investiga...

The scale wind erosion is increasing in Ukraine connection with the arid climate and intensive agricultural land use. Deflation causes significant damage not only to soil cover, but also environment. Research showed that resistance of soils deflation depended on their structural state. aim present study was establish influence different tillage systems fertilizers agrophysical parameters soil. ...

In the present study, the spermine (SPM) analogue N1N12-bis(ethyl)spermine (BESPM) is compared with SPM in its ability to regulate ornithine decarboxylase (ODC) and S-adenosyl-L-methionine decarboxylase (AdoMetDC) activities in intact L1210 cells and in the mechanism(s) by which this is accomplished. Unlike the comparable spermidine (SPD) analogue N1N8-bis(ethyl)spermidine, which regulates only...

We obtained monoclonal antibodies against N(1),N(12)-diacetylspermine (DiAcSpm) and N(1),N(8)-diacetylspermidine (DiAcSpd), and developed two systems of competitive ELISA that utilize the antibodies and a common enzyme-labeled antigen to measure these di-acetylpolyamines. Cross-reactions with N(1)-acetylspermidine in the assay of DiAcSpm and with N8-acetylspermidine in the assay of DiAcSpd were...

MicroRNAs (miRNAs) integrate with Argonaut (Ago) to create the RNA-induced silencing complex, and regulate gene expression by silencing target mRNAs. RNA editing of miRNA may affect miRNA processing, assembly of the Ago complex and target mRNA binding. However, the function of edited miRNA, assembled within the Ago complex, has not been extensively investigated. In this study, sequence analysis...