This paper analyses the impact of Covid-19 pandemic on stock market returns and their volatility in case G20 countries. In contrast to existing empirical literature, which typically focuses only either deaths or lockdown policies, our analysis is based a comprehensive dynamic panel model accounting for effects both epidemiological situation restrictive measures as well fiscal monetary responses...

The Great Inflation of the 1970s was an international phenomenon. We study whether monetary authorities in the G7 countries were changing their responses to inflation in a similar manner during and following the Great Inflation era. Our results suggest that the common to the G7 countries inflation pattern during the Great Inflation period is associated with a common pattern in the monetary poli...

This study evaluated the effect of green tea application time on the bond strength of enamel after enamel bleaching. Enamel samples were obtained from 80 third molars and randomly divided into 7 experimental groups (G1-G7) and 1 group without treatment (G8): G1, bleached with 10% carbamide peroxide (CP); G2, CP + 10% sodium ascorbate gel (SA) for 15 min; G3, CP + SA for 30 min; G4, CP + SA for ...

During development of the central nervous system, neurons pass through windows of vulnerability to environmental factors. Two windows are gestational day (G) 7 (during gastrulation) and G12 (early neuronal generation). The present study examined the effects of ethanol exposure at these times on social behavior and on the number of neurons in the central nucleus of the amygdala (Ce), which is im...

Resistance to Soybean mosaic virus (SMV; Genus Potyvirus; Family Potyviridae) in soybean (Glycine max [L.] Merr.) is controlled by single dominant genes at three distinct loci, Rsv1, Rsv3 and Rsv4. The mechanisms of resistance at the Rsv3 locus were investigated in Harosoy and the Williams isoline L29 by tracking virus replication and movement. Two other cultivars with two genes for resistance ...

Gastrin is a growth factor for both gastrointestinal and non-gastrointestinal tumours. Endocytosis of gastrin has been demonstrated in tumour cell lines expressing cholecystokinin-B/gastrin receptor (CCK-BR); this has raised the possibility of receptor targeted therapy. The aim of this study was to examine endocytosis of gastrin and CCK-BR in tumour cell lines. A small gastrin analogue, RG-G7, ...

Stopped-flow circular dichroism and fluorescence spectroscopy are used to characterize the assembly of complexes consisting of plasmid DNA bound to the cationic lipids dimethyldioctadecylammonium bromide and 1, 2-dioleoyl- 3-trimethylammonium-propane and a series of polyamidoamine dendrimers. The kinetics of complexation determined from the stopped-flow circular dichroism measurements suggests ...

Campbell (1996) reports that, for most countries, the unconditional correlation between quarterly stock returns and consumption growth is small in magnitude and sometimes even negative. Using a bivariate GARCH framework, we examine whether the conditional correlation between stock returns and consumption is positive, even if the unconditional correlation is not. Consistent with this, we find st...

The purpose of the present study was to evaluate the effect of common pediatric liquid medicines on surface roughness and tooth structure loss and to evaluate the pH values of these medicines at room and cold temperatures in vitro. Eighty-four bovine enamel blocks were divided into seven groups (n = 12): G1-Alivium®, G2-Novalgina®, G3-Betamox®, G4-Clavulin®, G5-Claritin®, G6-Polaramine® and G7-...