The study reveals the effectiveness of games in learing English vocabulary of non English major students at the University of Transport and Communications out. In this study, the majority of the students supported the use of games as the best way of learning English vocabulary as well as showed their positive attitude after the treatment, as detected by the tests, questionnaire and interview. From the research findings, several further studies as well as suggestions for teachers were made in the hope of improving the teaching and learning English vocabulary in Vietnam University.
Rickettsial fever is one of a zoonotic disease which is caused by bacteria genus Rickettsia. The ectoparasites such as ticks, mites, fleas, lice... were demonstrated as the main transmited vectors through host reservoirs are rodents and small animals including mice, squirrels, mink... In this study, the rodents and ectoparasites species were identified. The molecular detection of Rickettsia was also performed. In 2018, 83 rats were trapped in 2 villages Thanh Duc and Phu Linh, Vi Xuyen district, Ha Giang province, in which 48.2% mice were found as house mice Rattus flavipectus, 21.7% was forest mice R. rattus, 12% was R. fulvescens, 8.4% was R. nitidus, the remaining rates were R. bowersi, Mus. pahari, Leopoldamys sabanus, Mus musculus and R. niviventer, accounting for 1.2% - 3.6%. The ectoparasites survey found 5 chigger mite species including Leptotrombidium (Leptotrombidium) deliense, Ascoschoengastia (Laurentella) indica, Garhliepia (Walchia) rustica, Lorilutum oreophilum and Shunsenia sp as well as 3 gamasid mite species such as Laelaps (Echidninus) sedlaceki, Laelaps (Laelaps) nuttali and Lenstivalius klossi bispiniformis. The result indicated that 19.3% and 10.8% mice were positive with Ricketsia spotted fever group (SFG) and Rickettsia typhi, respectively by real-time PCR. The nested PCR result showed that 19.4% R. flavipectus mice and 10% L. (L.) deliense chigger mites were positive with Orientia tsutsugamushi.
This article researches the working capacity of managers in small and medium enterprises (SMEs) in a case study in Bac Ninh province of Vietnam, based on primary data collected from 120 managers and 120 employees in 60 small and medium enterprises in the study sites by standard questionnaires. The results showed that educational level of managers in SMEs in Bac Ninh province of Vietnam was still very low, managers with a suitable qualification of management was not high. The capacities of making business plans were mostly just acceptable. The human resource management capacity was not good, but the asset management capacity and monitoring capacity of managers was rather good. Employees were aware and believed in executive capacity of managers as they have been active and proactive in improving their management and business capacity and being able to acquire well, diligently and eagerly learn. Employees highly appreciated the moral qualities of managers. Some factors considered to affect the working capacity of managers were high age, low management experience, characteristics of managers. The research suggested that managers of SMEs had better improve their managerial knowledge, strengthen their managerial capacity. Training institutions could organize short training course and provide consultation support to SMEs managers. National and provincial government should create a playground for them to share and learn from good and successful managers.
Leptospirosis is a common zoonotic disease in the tropics and subtropics. Leptospira infected human without prompt detection and treatment will face serious consequences such as acute hepatitis-kidneys, pulmonary hemorrhage which can lead to death. Besides the MAT gold standard method, Leptosipra antigens developed by DNA recombination technology have been widely studying and applying in diagnosis of Leptospira infection in human and animal. Overcoming the disadvantages of MAT and ELISA such as complicated protocol, which requires highly qualified staff and specialized equipment, the latex agglutination method has been studied and widely used in detecting pathogens such as Salmonella, E. coli, Leptospira in the world. The advantages of this method are simple operation, fast and cheap. In the previous article, we expressed Leptospira LigB antigen in E. coli cells and successfully purified it by affinity chromatography with 98% purity. In this paper, we present the process for establishment of a Lepto-LAT kit to detect Leptospira infection in dogs. This kit had the sensitivity and specificity of 91.75% and 91.57%, respectively.
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