conclusions these results showed the preventive effect of hydroethanolic extract of n. sativa on tracheal responsiveness of guinea pig model of copd, which was as effective as vitamin c. results the tracheal responsiveness to both methacholine and ovalbumin in guinea pigs with copd were significantly higher than those of controls (p < 0.001 for both cases). the tracheal responsiveness in the co...

beta-2 adrenoceptors in blood vessels are one of the active factors that play a role in regulation of tissue blood flow. in diabetic angiopathy, responsiveness of these receptors is decreased, while that is increased in inflammation. according to these opposite effects, the aim of this study was to investigate the vasodilatory response of knee joint blood vessels to salbutamol (beta-2 adrenocep...

background considering patients’ needs and expectations in the process of healthcare delivery improves the quality of services. this study aimed to investigate the responsiveness of general public and private hospitals in mashhad, iran.   methods in this cross-sectional and explanatory study, hospitalized patients (with at least 2 days of stay) in general private and public hospitals in mashhad...

background: measurement of patients’ satisfaction as a reliable indicator of quality of hospital service shows the ability of care providers to meet patients&apos; expectations. this study was conducted to assess patients’ satisfaction in hospital services. methods:  this cross-sectional study was carried out at the zanjan university of medical sciences in 2013 -2014. a total of 486 were select...

purpose : this study was performed in order to characterize the psychometric properties of the national eye institute visual functioning questionnaire in iranians. methods : after forward and backward translation, examination of the translation quality and a pilot test, 80 patients with various chronic ophthalmic diseases and 30 healthy individuals completed the questionnaire. internal consiste...

objective(s) physiological changes in the body may be utilized as potential triggers for controlled drug delivery. based on these mechanisms, stimulus-responsive drug delivery has been developed. materials and methods in this study, a kind of poly (n-isopropylacrylamide-acrylamide) membrane was prepared by radical copolymerization. changes in swelling ratios and diameters of the membrane were i...

Beta-2 adrenoceptors in blood vessels are one of the active factors that play a role in regulation of tissue blood flow. in diabetic angiopathy, responsiveness of these receptors is decreased, while that is increased in inflammation. According to these opposite effects, the aim of this study was to investigate the vasodilatory response of knee joint blood vessels to salbutamol (Beta-2 adreno...

Companies operating global supply chains in various industries struggle with parallel importers diverting goods from authorized channels to gray markets. While the existing gray market literature mainly focuses on pricing, in this paper we develop a model to examine the role of demand enhancing services as non-price mechanisms for coping with gray markets. We consider a manufacturer that sells ...

In two short-term longitudinal studies, infant expressivity and maternal responsiveness to infant expressivity were examined. In Study 1, thirty-eight dyads visited a laboratory at 11 and 12 months; in Study 2, seventy-seven dyads were visited in their homes at 9 and 13 months. Mother-infant interaction was coded from videotapes of free play in both studies. Infant expressivity and maternal res...

The election narrative is formed under the competitions of ideas among critical players involving politicians, news media, public influentials, and the general public. Untangling the complex process of narrative formation, however, is no easy task due to implicit influences among the key players. In this paper, we propose the problem of measuring "responsiveness" that quantifies a player’s infl...