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윤수빈,이경민,Telma Kamranifard,이윤미 대한화학회 2022 Bulletin of the Korean Chemical Society Vol.43 No.12
The one-pot synthesis of β,γ-unsaturated ketones bearing all-carbon quaternary centers at the α-position via a highly regioselective hydroacylation of allenes using acyl chlorides and aluminum hydride is reported. The Cu-catalyzed hydroalumination of 1,1-disubstituted and 1,1,3-trisubstituted allenes with dii- sobutylaluminum hydride resulted in allylaluminum reagents that underwent regioselective acylation in the presence of acid chlorides. Various derivatives of allenes and acyl chlorides were compatible with this process, and α-quaternary ketones were obtained in high yields with excellent regioselectivity.
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Farhad Pourfarzi,Telma Zahirian Moghadam,Hamed Zandian 대한예방의학회 2022 예방의학회지 Vol.55 No.3
Objectives: The incidence of cardiovascular disease (CVD) mortality is increasing in developing countries. This study aimed to decompose the socioeconomic inequality of CVD in Iran. Methods: This cross-sectional population-based study was conducted on 20 519 adults who enrolled in the Ardabil Non-Communicable Disease cohort study. Principal component analysis and multivariable logistic regression were used, respectively, to estimate socioeconomic status and to describe the relationships between CVD prevalence and the explanatory variables. The relative concentration index, concentration curve, and Blinder-Oaxaca decomposition model were used to measure and decompose the socioeconomic inequality. Results: The overall age-adjusted prevalence of CVD was 8.4% in northwest Iran. Multivariable logistic regression showed that older adults, overweight or obese adults, and people with hypertension and diabetes were more likely to have CVD. Moreover, people with low economic status were 38% more likely to have CVD than people with high economic status. The prevalence of CVD was mainly concentrated among the poor (concentration index, -0.077: 95% confidence interval, -0.103 to -0.060), and 78.66% of the gap between the poorest and richest groups was attributed to differences in the distribution of the explanatory variables included in the model. Conclusions: The most important factors affecting inequality in CVD were old age, chronic illness (hypertension and diabetes), marital status, and socioeconomic status. This study documented stark inequality in the prevalence of CVD, wherein the poor were more affected than the rich. Therefore, it is necessary to implement policies to monitor, screen, and control CVD in poor people living in northwest Iran.
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Unruptured right sinus of Valsalva aneurysm in a Maltese dog: a case report
Akiko Uemura,Ryou Tanaka,Telma Mary Nakata,Ryousuke Namiki,Takashi Tanaka,Katsuhiro Matsuura,Tomohiko Yoshida 대한수의학회 2019 Journal of Veterinary Science Vol.20 No.3
A rare case of an unruptured sinus of Valsalva aneurysm (SVA) in a 2-month-old male Maltese terrier weighing 1.0 kg with a heart murmur is presented. A right SVA and a ventricular septal defect (VSD) were diagnosed by echocardiography and cardiac catheterization. The dogdied due to a worsening of his condition. The necropsy revealed the sinus of Valsalva to have a diameter of 7 mm and a VSD hole was on the opposite surface. This report is the first to describe an unruptured SVA in the right coronary cusp of a small dog.
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WHAT MOTIVATES EWOM IN HOTEL INDUSTRY? CAUSALEXPLANATIONS FROM FSQCA
Helena Martins Gonçalves,Graça Miranda Silva,Telma Gomes Martins 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
Web 2.0 has changed the way users create, share and use online information (O'Connor, 2008). The testimony of anonymous and exempt consumers that emits reviews and ratings through online reviews is a form of Electronic Word of Mouth (eWOM). Positive online reviews can contribute to a significant increase in hotel reservations (Ye, Law, & Gu, 2009). Online reviews are amidst the most important factors that influence hotel reservations (Dickinger & Mazanec, 2008) However, only a small percentage of travelers contribute actively with new reviews and evaluations (Bronner & Hoog, 2011). Thus, it is very important to know what motivates consumers to make online hotel reviews, to get more online comments and, consequently, more hotel reservations. Cantallops and Salvi (2014) say that there is little research on eWOM and hotels. The objective of this study is to identify the different causal combinations (configurations) of motivations (personal, social benefit, social concern, and consumer empowerment (Bronner & Hoog, 2011)), and socio-demographic characteristics (gender and age) that lead to hotel online reviews. The study uses the fuzzy-set Qualitative Comparative Analysis (fsQCA) because it allows to identify the necessary and sufficient configurations to achieve the outcome (Fiss, 2011). This is an innovative approach in this domain, to the best of our knowledge, because the study focuses on the causal recipes of motivations and not on the net effects of independent motivations as past research do. The study obtained a convenience sample of 192 valid responses, from an online survey.The measures show adequate reliability. The results show that the social concern is a necessary condition and the consumer empowerment is an “almost always necessary” condition. The analysis of sufficient conditions show that three different combinations (explain 43.6% of the cases) of conditions exist that lead to eWOM: 1) being a female older than 35 years old combined with high social concern and high consumer empowerment; 2) being a female older than 35 years old combined with high social concern and high personal motivations; and, 3) being a male combined with the presence of high social concern, high personal motivations, and high consumer empowerment which represents the most significant representation of consumers that make online reviews. Managers should consider these recipes in communication and website design strategies. For example, for men, it is important to have jointly a simple communication channel so that they can easily share positive or negative experiences to help others (social concern); a travel website where they get some fun (personal motivation); and, to believe that their opinions are taken into account by the hotels, namely to improve service (consumer empowerment). In this way,hotels and travel services providers promoting these aspects will tend to have more and better online reviews, which will have a positive influence on hotel reservations. Future studies should consider different motivations for online reviews and eWOM.
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Vietla S. Rao,Celio L. de Melo,Maria Goretti R. Queiroz,Telma L.G. Lemos,Dalgimar B. Menezes,Tiago S. Melo,Flavia A. Santos 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.11
Currently, there is renewed interest in plant-based medicines and functional foods for the prevention and cure of obesity and its associated risk of cardiovascular disease and metabolic syndrome. In the search for potential anti-obesity compounds from natural sources, the effects of ursolic acid (UA), a pentacyclic triterpenoid widely found in medicinal herbs and fruits, was evaluated for its effects on blood glucose, lipids, and abdominal fat deposition in mice fed a high-fat diet (HFD). Adult male Swiss mice treated or not with UA (0.05%, 50 mg/L, in drinking water) were fed HFD for 15 weeks. A sibutramine (SIB)-treated group (0.05% in drinking water) was included as the positive control. Weekly body weights and food and water consumption were measured, and at the end of the study period, the levels of blood glucose and lipids, the plasma hormones insulin, ghrelin, and leptin, and the abdominal fat accumulation were analyzed. Mice treated with UA and fed HFD showed significantly (P<.05) decreased body weights, visceral adiposity, and levels of blood glucose and plasma lipids relative to their respective controls not fed UA. Also, a significant increase was observed in plasma leptin with a decrease in ghrelin, as well as of amylase and lipase activities. The SIB-treated group also manifested effects similar to those of UA except for the blood glucose level, which was not different from the HFD control. These findings suggest that UA ameliorates abdominal adiposity and decreases the levels of blood glucose and plasma lipids in mice and thus manifests an anti-obesity potential through absorptive and metabolic targets.
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Hamed Zandian,Amirhossein Takian,Arash Rashidian,Mohsen Bayati,Telma Zahirian Moghadam,Satar Rezaei,Alireza Olyaeemanesh 대한예방의학회 2018 예방의학회지 Vol.51 No.2
Objectives: One of the main objectives of the Targeted Subsidies Law (TSL) in Iran was to improve equity in healthcare financing. This study aimed at measuring the effects of the TSL, which was implemented in Iran in 2010, on equity in healthcare financing. Methods: Segmented regression analysis was applied to assess the effects of TSL implementation on the Gini and Kakwani indices of outcome variables in Iranian households. Data for the years 1977-2014 were retrieved from formal databases. Changes in the levels and trends of the outcome variables before and after TSL implementation were assessed using Stata version 13. Results: In the 33 years before the implementation of the TSL, the Gini index decreased from 0.401 to 0.381. The Gini index and its intercept significantly decreased to 0.362 (p<0.001) 5 years after the implementation of the TSL. There was no statistically significant change in the gross domestic product or inflation rate after TSL implementation. The Kakwani index significantly increased from -0.020 to 0.007 (p<0.001) before the implementation of the TSL, while we observed no statistically significant change (p=0.81) in the Kakwani index after TSL implementation. Conclusions: The TSL reform, which was introduced as part of an economic development plan in Iran in 2010, led to a significant reduction in households’ income inequality. However, the TSL did not significantly affect equity in healthcare financing. Hence, while measuring the long-term impact of TSL is paramount, healthcare decision-makers need to consider the efficacy of the TSL in order to develop plans for achieving the desired equity in healthcare financing.
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Zandian, Hamed,Takian, Amirhossein,Rashidian, Arash,Bayati, Mohsen,Moghadam, Telma Zahirian,Rezaei, Satar,Olyaeemanesh, Alireza The Korean Society for Preventive Medicine 2018 예방의학회지 Vol.51 No.2
Objectives: One of the main objectives of the Targeted Subsidies Law (TSL) in Iran was to improve equity in healthcare financing. This study aimed at measuring the effects of the TSL, which was implemented in Iran in 2010, on equity in healthcare financing. Methods: Segmented regression analysis was applied to assess the effects of TSL implementation on the Gini and Kakwani indices of outcome variables in Iranian households. Data for the years 1977-2014 were retrieved from formal databases. Changes in the levels and trends of the outcome variables before and after TSL implementation were assessed using Stata version 13. Results: In the 33 years before the implementation of the TSL, the Gini index decreased from 0.401 to 0.381. The Gini index and its intercept significantly decreased to 0.362 (p<0.001) 5 years after the implementation of the TSL. There was no statistically significant change in the gross domestic product or inflation rate after TSL implementation. The Kakwani index significantly increased from -0.020 to 0.007 (p<0.001) before the implementation of the TSL, while we observed no statistically significant change (p=0.81) in the Kakwani index after TSL implementation. Conclusions: The TSL reform, which was introduced as part of an economic development plan in Iran in 2010, led to a significant reduction in households' income inequality. However, the TSL did not significantly affect equity in healthcare financing. Hence, while measuring the long-term impact of TSL is paramount, healthcare decision-makers need to consider the efficacy of the TSL in order to develop plans for achieving the desired equity in healthcare financing.
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Lens culinaris: A New Biocatalyst for Reducing Carbonyl and Nitro Groups
Daniele Alves Ferreira,Robério Costa da Silva,João Carlos da Costa Assunção,Marcos Carlos de Mattos,Telma Leda Gomes de Lemos,Francisco José Queiroz Monte 한국생물공학회 2012 Biotechnology and Bioprocess Engineering Vol.17 No.2
A series of aliphatic and aromatic aldehydes and ketones, as well as some nitrocompounds were reduced using whole plant cells from Lens culinaris seeds. In addition, we also investigated the possibility of enzymatic ester hydrolysis to explore the potential of these seeds. The reduced ketones products were obtained in yields of 8 ~82% and enantiomeric excess of 39 ~ 75%. Aldehydes were more reactive than ketones with high chemical yield (95→99%), whereas the aromatic nitrocompounds showed low (2%) to high (> 99%) conversion depending upon the nature and position of the aromatic ring substituents. Ester hydrolysis by the Lens culinaris was quite effective with the ester p-nitrophenyl acetate (> 99% conversion).
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