Showing 4 results for Daryani
Volume 6, Issue 3 (Summer 2018)
Abstract
Aims: Adolescence is a golden chance for preventing the harms caused by unhealthy behaviors and it is the time for choosing a permanent healthy lifestyle. The aim of study was to evaluate the impact of educational program on parental nutritional social support among parents' female adolescents.
Materials & Methods: The present field trial was conducted from January to May, 2016. Sixty-three female adolescents (33 persons in intervention group and 30 persons in control group) with the age range of 12 to 15 years at schools of Isfahan, Iran, were selected by multistage random sampling method as the samples of the study. Samples were randomly allocated to two groups. Adolescents’ perceived and received social support from their parents was measured, using a researcher-made questionnaire, of which the validity and reliability were approved. The intervention included 3 educational sessions (each session took 2 hours) within a one-week interval for adolescents’ parents. One month after performing the educational intervention for parents, adolescents’ received and perceived social support for having a healthy diet was measured. The data were analyzed, using SPSS 19 and independent t test, paired t test, Chi square, and Mann-Whitney test.
Findings: There was no significant difference between two groups regarding the demographic characteristics of the two groups. Also, no significant difference was observed between the two groups after the intervention regarding the mean level of their perceived and received nutritional social support.
Conclusion: Educational intervention on parents does not increase perceived and received social support in early adolescents for receiving healthy nutrients.
Volume 8, Issue 3 (Summer 2022)
Abstract
Backgrounds: Toxoplasma gondii is a zoonotic parasite of increasing concern to humans and animals. Considering the side effects of drugs used to treat toxoplasmosis, it is essential to find alternative drugs.
Materials & Methods: In this study, colchicine and propranolol at four concentrations (1, 5, 10, and 15 µg/mL) were added to the RPMI medium containing peritoneal macrophages and incubated for 60 min, Then tachyzoites were added to the medium, and the efficacy rates of colchicine and propranolol in inhibiting tachyzoites entry into macrophages were evaluated after 30 and 60 min. For in vivo assay, one group received no drugs, and the second group was treated with colchicine and propranolol at different concentrations for different durations.
Findings: The in vitro experiment showed that treatment with 15 mg/mL of colchicine and propranolol for 60 min following tachyzoites addition was the most efficient method to inhibit tachyzoites penetration, indicating the efficacy rates of 80.20%±1.20 and 89.97%±1.30, respectively (p< .05). Based on the in vivo test, pretreatment with 2 mg/kg of colchicine one hour before tachyzoites injection had the best inhibitory effect (70.32%±4.07). Also, pretreatment with 2 mg/kg of propranolol 90 min before tachyzoites injection (78.54%±1.99) induced the best inhibitory effect (p< .05).
Conclusion: According to the results, colchicine and propranolol could inhibit tachyzoites entrance into nucleated cells in vitro and in vivo. In this study, the most efficient concentrations and times for using these substances were determined.
Volume 19, Issue 2 (3-2017)
Abstract
The Corporate Entrepreneurship (CE) of firms and enterprises is the subject of current research in the fields of management and business. However, analyses on this subject in agricultural firms are lacking. The purpose of this research was to study the relationships between corporate entrepreneurship and firm performance in Agricultural Small and Medium-sized Enterprises (ASMEs) in Iran. Specifically, the authors aimed to analyze how knowledge creation and learning orientation as a mediator influence the relationship between corporate entrepreneurship and firm performance. A conceptual model was designed and hypotheses were constructed. The samples in this study were owners and/or top managers of ASMEs. Data for the study were collected using a questionnaire survey administrated during 2015. In order to test the hypotheses, data were collected from ASME and analyzed using the structural equation model by AMOS20 graphic software. The results reveal that corporate entrepreneurship significantly influences learning orientation, knowledge creation and firm performance in ASMEs. The most notable outcome of these findings is that knowledge creation and learning orientation performs a mediating role in the relationships between corporate entrepreneurship and performance in ASMEs.
Volume 23, Issue 4 (10-2016)
Abstract
Films are generally more attractive than other forms of TV shows. Such attractiveness can be enhanced through Steerable plots where the audiences act not merely as passive spectators, but rather as active participants. The production of an interactive film requires a narrative structure based on which the plot can be written and expanded. This paper attempted to investigate and propose a new engaging narrative structural model that can be used in TV shows. Moreover, the new model can bring about cost-effectiveness for producers and filmmakers, while enabling the audience to actively create a narrative, switching from one narrative line to another. A successful medium outlet in this competitive arena tends to attract a wider range of audience, leaving a far greater impact on the audience. This is in contrast to ordinary films entailing only one theme and effect. Dubbed as interactive narrative, the newly proposed model can both influence every narrative line and the viewer, which was called a hyper-structure impact in this paper. The final section will explore the experience of producing an interactive short film based on the newly proposed model.