Particulate matter (PM) generated by residential wood combustion is a major environmental concern in Europe. This study focuses on the influence of potassium chloride (KCl) fine particle emissions from modern stove. Wood logs with and without KCl impregnation were subjected to batch emission measurements. A bi-modal number-size distribution characterized nucleation mode an accumulation was iden...

hydroalcoholic extract of pycnocycla spinosa is a relaxant of rat ileum and inhibits diarrhea in mice. as p. spinosa extract has spasmolytic activity on ileum, it could also affect other smooth muscles like bladder. therefore, the aim of this study was to determine the effect of p. spinosa extract on rat bladder contraction. in an in vitro study, the effects of p. spinosa extract, nifedipine an...

seeds of moringa peregrina (forssk.) fiori. (moringaceae) is widely used in south east of iran for gastrointestinal disorders. however, so far there is no pharmacological evidence for antispasmodic activity of this plant extract. therefore, the aim of this research was to investigate antispasmodic activity of m. peregrina on rat isolated ileum contraction. hydroalcoholic extract was obtained by...

NaCl and KCl are monovalent salts that can be discriminated behaviorally by hamsters on the basis of their tastes. We examined the effects of the passive Na+ channel blocker amiloride on responses to both of these salts in 34 taste-responsive neurons of the nucleus of the solitary tract (NST) in the hamster. The effects of amiloride were assessed with two different, commonly employed stimulus p...

Addition of 100 millimolar KCl, NaCl, or Na(2)SO(4) strongly promoted acidification of the medium by cells of Nicotiana tabacum/gossii in suspension culture. Acidification was greater in the case of NaCl-adapted than in that of wild type cells, and strikingly so in KCl medium when fusicoccin (FC) was present. Back-titration indicated that net proton secretion in KCl medium was increased 4-fold ...

The present investigation was undertaken to study the effects of K+ channel openers in the relaxant responses to various agonists in estrogen primed rat uterus. Adrenaline and isoprenaline produced a dose-dependent relaxation in the estrogen primed rat uterus. The relaxant responses were found to be significantly potentiated when the preparations were exposed to PSS devoid of calcium. The respo...

The transduction mechanism of salt-induced responses of mouse taste cells was investigated using the patch clamp and the local stimulation techniques under quasi-natural conditions. Apically applied NaCl induced a voltage-independent current, which was partially suppressed by amiloride and Cd2+. In contrast, apically applied 0.5 M KCl induced an inwardly rectifying current (KCl-induced Iir). Th...

KCl causes smooth muscle contraction by elevating intracellular free Ca2+, whereas receptor stimulation activates an additional mechanism, termed Ca2+ sensitization, that can involve activation of RhoA-associated kinase (ROK) and PKC. However, recent studies support the hypothesis that KCl may also increase Ca2+ sensitivity. Our data showed that the PKC inhibitor GF-109203X did not, whereas the...

We argue that eleven dimensional supergravity can be described by a non-linear real-isation based on the group E 11. This requires a formulation of eleven dimensional super-gravity in which the gravitational degrees of freedom are described by two fields which are related by duality. We show the existence of such a description of gravity.