Several inequalities of Ostrowski-Gruss-type available in the literature are generalized considering the weighted case of them. The inequality of Gruss type proved by P. Cerone and S.S. Dragomir [3] is extended for the weighted case.
Noonan syndrome (NS) is an autosomal dominant disorder, characterized by variable expressivity of clinical features such as: postnatal growth reduction, congenital heart disease, characteristic facial dysmorphisms and development delay. In ~75% of all NS cases, germline mutations involving RAS-MAPK signaling pathway genes (PTPN11, SOS1, RAF1, KRAS, NRAS, BRAF, SHOC2, MEK1, CBL) are causative. We reported a case of 13-year-old girl [born at 36w by CS (BW 3250 g (~95°), BL 48 cm (~75°)] referred for genetic counseling due to growth retardation, facial dysmorphisms, development delay and learning disability. After birth she presented frequent vomiting, with failure to thrive and at 5 months of age underwent surgery for intestinal malrotation. Because of short stature, Growth Hormone (GH) therapy have been introduced at age of 3yrs up to 11yrs. Negative molecular testing for PTPN11 and SOS1 genes, normal female karyotype and aCGH analysis were observed. Objective examination: H 138 cm, (A; p.Val14Ile) has been identified. Even though KRAS mutations are usually associated with NS severe phenotype with cardiac involvement (hypertrophic cardiomyopathy), this finding is not present in our patient
The electrode potential of cyanidin was determined both by experimental (cyclic voltammetry) and theoretical methods, at HF/6-311G(d) level of theory. An isodesmic reaction scheme, involving 1,2-benzoquinone as reference molecules, has been proposed for the computation of electrode potential of cyanidin. The results of the ab initio computations are in reasonable agreement with available experimental measurements; the differences between experiment and theory are within the range of 0.02-0.05V. Geometric parameters of the six more stable conformers of cyanidin are computed, as well as properties like atomic charges and contribution to the HOMO (Highest Occupied Molecular Orbital) energies of each hydroxyl group of the cyanidin
In adults, the disrupting effect of irrelevant background sounds with distinct temporalspectral variations (changing-state sounds) on short-term memory performance was found to be robust. In the present study, a verbal serial recognition task was used to investigate this so-called Irrelevant Sound Effect (ISE) in adults and 8- to 10-year-old children. An essential part of the short-term memory impairment during changing-state speech is due to interference processes (changing-state effect) which can be differentiated from the deviation effect of auditory distraction. In line with recent findings (Hughes et al., 2013), our study demonstrates that the changing-state effect is not modulated by task difficulty. Moreover, our results show that the changing-state effect remains stable for children and adults. This suggests that the differences in the magnitude of the ISE as reported by Elliott (2002) and Klatte et al. (2010) are most likely related to the increase in attentional control during childhood
The scope of this work was observing dimensional and heat transfer changes in ZnTiO3 samples during heating in nitrogen and air atmosphere. Interactions of bulk specimens with gaseous surrounding induce microstructure changes during heating. Sintered ZnTiO3 nanopowder samples were submitted to subsequent heating. Dilatation curves and thermogravimetric with simultaneous differential thermal analysis TGA/DTA curves were recorded. Reheating was performed in air and nitrogen atmospheres. Reheated samples obtained at different characteristic temperatures in air were analyzed by X-ray diffraction (XRD). Microstructures obtained by scanning electron microscopy (SEM) of reheated sintered samples are presented and compared. Reheating in a different atmosphere induced different microstructures. The goal was indicating possible causes leading to the microstructure changes. [Projekat Ministarstva nauke Republike Srbije, br. OI172057 i br. III45014
This article focuses on the steady magnetohydrodynamic flow of viscous nanofluid. The flow is caused by a stretching surface with homogeneous-heterogeneous reactions. An incompressible fluid fills the porous space. Copper-water and silver-water nanofluids are investigated in this study. Transformation method reduces the non-linear partial differential equations governing the flow into the ordinary differential equation by similarity transformations. The obtained equations are then solved for the development of series solutions. Convergence of the obtained series solutions is explicitly discussed. Effects of different parameters on the velocity, concentration and skin friction coefficient are shown and analyzed through graphs
The objective of this study is to determine flavonoids and polyphenols content and antioxidant activity of extracts of figs growing in Romania. The content of flavonoids and polyphenolic compounds was determined according to the Romanian Pharmacopoeia, the 10th edition, using the standard rutin for flavonoids, catechol for polyphenols and HPLC for flavonoids quantification. Determination of antioxidant activity was done by DPPH scavenging method and at cellular level by attenuation of oxidative damage in human erythrocytes. The experimental results reveal that Ficus carica extracts may be a potential source of natural antioxidants
The church of St Theodore (also known as "Sts Theodoroi") at Platanos, Kynouria, is a single-nave building of small dimensions. The interior surfaces of its walls preserve their Byzantine paintings, which are partially visible under the coat of plaster that covers most of them. The paintings exhibit affinity with wall-paintings of churches in the Peloponnese (neighbouring Laconia included), and can be dated to the last quarter of the thirteenth century
The paper seeks to establish who was the founder of the church of Saint George at Pološko and revise the conclusions of previous researchers regarding this issue. According to the opinion commonly adopted in the scholarly literature, Jovan Dragušin, a cousin of King Dušan, had merely undertaken the construction of church at Pološko, whereas his mother was responsible for the completion of construction and painting of frescoes in the church. Through an analysis of written and visual sources the conclusion is reached that the sole person responsible for the construction and painting of the church at Pološko was the nun Maria, the mother of Jovan Dragušin. [Projekat Ministarstva nauke Republike Srbije, br. 177036: Srpska srednjovekovna umetnost i njen evropski kontekst
''Word and Image'' invokes and honors the scholarly contributions of Gary Marker. Twenty scholars from Russia, the United Kingdom, Italy, Ukraine and the United States examine some of the main themes of Marker’s scholarship on Russia—literacy, education, and printing; gender and politics; the importance of visual sources for historical study; and the intersections of religious and political discourse in Imperial Russia. A biography of Marker, a survey of his scholarship, and a list of his publications complete the volume.