http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Central nervous system depressant effect of hot water extract of Ocimum sanctum Linn. (Labiateae)
Alamgir, Mahiuddin,Choudhuri, Shahabuddin Kabir,Jabbar, Shaila,Rajia, Sultana,Khan, Mahmud Tareq Hassan Kyung Hee Oriental Medicine Research Center 2002 Oriental pharmacy and experimental medicine Vol.2 No.2
A battery of neuropharmacological experiments showed the hot water extract of Ocimum sanctum Linn. (Labiateae) had a depressant effect on the central nervous system (CNS), but the aqueous extract showed no effect on it. The hot water extract reduced the spontaneous locomotor activity, exploratory head dipping, propulsive locomotion and exploratory ambulation as well as prolonged the pentobarbital induced sleeping time. The depressant effect starts from 60 minutes after the drug administration and continued to 180 minutes. The drug may exert central depressant effect by interfering with the function of the cortex.
An Exploratory Study of Subscribers’ Attitude toward Mobile Advertising
Alamgir Hossain,Bangwool Han,Minho Kim 전북대학교 산업경제연구소 2017 아태경상저널 Vol.9 No.2
The prompt diffusion of mobile phone has resulted in the increasing usage of mobile advertisement. A significant number of firms have invested their knowledge and resources in this field, and to develop a successful strategy they need proper understanding about advertisement and its contents. Purpose of this study was to revisit the underlying factors affecting consumer attitude toward mobile advertising in Bangladesh. Based on the empirical studies regarding attitude toward mobile advertising, a questionnaire was developed and 355 mobile subscribers were taken into considerations. Five variables i.e. personalization, credibility, incentive, informativeness and entertainment were selected and analyzed through structural equation model. Results portrait that entertainment followed by informativeness and credibility are the most dominant factors and has motivational influence on consumer attitude toward advertisement. Findings forge ahead the current state of art in mobile marketing research with substantial practical contributions for the design of operative mobile advertising.
Alamgir, M,Rob, Ma,Kundu, DC,Joy, JHK,Sarder, MM Kyung Hee Oriental Medicine Research Center 2007 Oriental pharmacy and experimental medicine Vol.7 No.4
Two medicinal plant of Sundarbans mangrove forest has been tested for the evaluation of growth inhibitory and antibacterial activity. The methanol extract of Xylocarpus granatum stem bark showed potent wheat rootlet ($IC_{50}=0.01{\mu}g/ml$) and shoot ($IC_{50}=0.23{\mu}g/ml$) growth inhibitory activity in a concentration related manner. The growth inhibitory activity was markedly decreased in residual methanol extract. The methanol extract showed antibacterial activity (MIC > 3 mg/ml) against Bacillus subtilis, Staphylococcus aureous and Proteus vulgaris. The residual methanol extract did not show any antibacterial activity. The results suggest the bioactive principle(s) of Xylocarpus granatum may be relatively non polar compound(s). The methanol extract and residual methanol extract of Sarcolobus globosus stem showed poor wheat rootlet and shoot growth inhibitory activity and no antibacterial activity.
Alamgir M,Alam SMS,Alaul M,Rashid M,Hasan M,Choudhuri MSK Kyung Hee Oriental Medicine Research Center 2006 Oriental pharmacy and experimental medicine Vol.6 No.3
The Sundarbans mangrove forest has a rich biodiversity of flowering plants and many of these have been used in traditional medicine although the flora remains comparatively uninvestigated scientifically. Xylocarpus granatum, Xylocarpus moluccensis and Excoecaria agallocha methanolic extract showed a central nervous system depressant activity on the hole cross and open field test at 800 mg/kg dose level. The most significant depressant activity was observed in Xylocarpus granatum followed by Xylocarpus moluccensis and Excoecaria agallocha. There was no depressant activity observed in the models for Sarcolobus globosus. Further studies are required to confirm the activity and to explain the mechanism.
Do Islamic Stocks Outperform Conventional Stocks During Crisis Periods? A Global Comparison
Muhammad Alamgir,Ming-Chang Cheng 사람과세계경영학회 2023 Global Business and Finance Review Vol.28 No.-
Purpose: This study examines the performance of Islamic and Conventional stock indices during the Covid-19 pandemic crises. The aim of the study is to find the existence of safe havens in Islamic stock indices. Design/methodology/approach: The study uses mean and cumulative return values and the GARCH (1 1) model to examine the volatility performance of stock returns and the impact of Covid-19 on both indices. Findings: Our findings indicate that Islamic stock indices tend to outperform conventional indices during crisis periods, particularly in developing economies and in the short term. However, conventional stock indices exhibit stronger performance in the long run and post-crisis periods. Moreover, the study reveals that the effects of Covid-19 cases and deaths on both indices vary across countries. Additionally, Islamic stock returns demonstrate lower volatility compared to previous shocks and returns, whereas conventional indices experience higher volatility, particularly in developing countries. Therefore, the s tudy establishes that I slamic indices can serve as safe havens for investors in certain countries, but not universally. Research limitations/implications: The study can be extended and more effective by adding more crisis events and a number of years to examine long-term stock moments. The study can be helpful for investors in designing investment portfolios, especially in times of crisis where the majority of investors try to find safe havens for investment. Originality/value: This study is the first to examine the impact of recent crises on Islamic and conventional stock indices in the world's big stock markets. The study is also the first one to use the longest data period among the recent studies to differentiate the performance of Islamic and conventional indices.
Mohammad Alamgir Hossain,Osamu Yamato,김근형,Masahiro Yamasaki,Yoshimitsu Maede 대한수의학회 2007 Journal of Veterinary Science Vol.8 No.2
The present study evaluated the effects of infected culture supernatant of erythrocytes, fractionation of culture supernatant and serum from dogs infected with Babesia gibsoni (B. gibsoni) on the maturation of canine reticulocytes in vitro. The SDS-PAGE demonstrated that significantly broader bands were generated by both the infected culture supernatant of erythrocytes and the serum from dogs chronically infected with B. gibsoni. The culture supernatant of erythrocytes infected with B. gibsoni strongly suppressed the maturation of reticulocytes. Prior studies showed that chronically infected serum had inhibitory effects on both the maturation of reticulocytes and the canine pyrimidine 5'-nucleotidase subclass I and purine-specific 5'-nucleotidase activity. In addition, serum free infected culture supernatant of erythrocytes had an inhibitory effect on the morphological maturation of reticulocytes. These results suggest that infected serum and culture supernatant of erythrocytes might accumulate excess proteins and/or metabolites as a result of the inhibited maturation of reticulocytes and decreased activity of erythrocyte 5'-nucleotidase. Furthermore, the fractions observed at >150 kDa- and 150-70 kDa- in the infected culture supernatant and serum retarded the maturation of canine reticulocytes in vitro. The results obtained from the in vitro examinations, in the present study, suggested that B. gibsoni itself and/or its metabolites might release certain proteins in the infected culture supernatant and serum from infected dogs and as a result delay morphological maturation of canine reticulocytes.