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Salamatullah Quazi M. Mohiduzzaman Moududur R. Khan B. Nahar M. Mostafizur Rahman M. Nurul Islam M. Baquer Chandrakant S. Pandav Harun K. M. Yusuf 《Indian journal of clinical biochemistry : IJCB》1997,12(2):128-133
Urinary iodine levels in children (5–11 years) and in adult males and females (15–44 years) of three ecological zones (hilly, flood-prone and plains) of Bangladesh were analyzed to determine the status of biochemical iodine deficiency in the country. Data indicated that a large majority of the population all over Bangladesh have biochemical iodine deficiency urinary iodine excretion (UIE) less than the accepted cut-off level of 10 μg/dl. Adults were deficient to comparable degrees, 31.3% severely iodine deficient. The flood-prone zone was less affected: 71.7% children had iodine deficiency and 25% were severely deficient. Adults of this zone were less affected than the children. Iodine deficiency was least severe in the plain zone: 59.8% children were biochemically iodine deficient and of them 23.4% had UIE less than 2.0 μg/dl. In the case of the adults of this zone, 60.8% were biochemically iodine deficient and 20.6% had severe iodine deficiency. The results indicate that Bangladesh as a whole is an iodine deficient region, with the hilly zone being the most severely affected. Children were slightly more affected than the adults, and females were more affected than the males. 相似文献
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Farm programmes (FPs) of varied categories have been developed and aired over several decades by Bangladesh Betar, the national radio of Bangladesh for the diffusion of farm technologies. The study aimed to produce an in-depth academic evaluation of their effectiveness in educating farmers in Bangladesh. A sample of 465 respondents from the Khulna and Rajshahi divisions in Bangladesh was randomly selected for a questionnaire survey. To analyse the data, relevant documents were collected from the Ministry of Information, the Ministry of Agriculture, and the Ministry of Fisheries and Livestock of Bangladesh. Frequency distribution, z-test, and binary logistic regression analysis were used as statistical tools. The farm knowledge levels of the farmers were considered the predictors for evaluating the effectiveness of FPs. The results revealed that 93.33% of the sample did not listen to the FPs, while only very few of the listeners listened regularly. Despite this, at the ‘weak’ and ‘average’ levels of knowledge significant differences were noted between listener and non-listener farmers of FPs. The binary logistic regression analysis (Model 1) identified that the farmers who listened to the FPs were likely to acquire farm knowledge 6.62 times more than the farmers who did not listen to the FPs. The farmers who listened to the FPs were likely to have farm knowledge 2.64 times more than the farmers who did not listen to the FPs but consulted with other sources of farming information (Model 2). Similarly, a listener of FPs with farm training was likely to acquire farm knowledge 5.76 times more than a non-listener with farm training (Model 3). The FPs were found to be very effective and could be used to better complement other mechanisms for educating farmers. Regular access to the FPs ought to be ensured through appropriate stimulants for the diffusion of farm technologies. 相似文献
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ABSTRACT Research on teacher motivation is increasing substantially. Several studies have demonstrated the relationship between the motivation and teaching behaviour of teachers. The objective of this study was to investigate the relationship between the perceived motivation of teachers and their actual teaching behaviour in the context of secondary education. A survey on teacher motivation yielded responses from 315 teachers from 28 schools across 13 provinces in Indonesia. These teachers were observed in their classrooms by trained observers using a validated observation scheme. Results of a multilevel analysis indicate that: (1) perceived controlled motivation does not predict actual teaching behaviour; (2) perceived autonomous motivation is a positive predictor of at least some domains of actual teaching behaviour. Higher levels of perceived autonomous motivation are associated with higher scores on classroom management and clarity of instruction. There is also a slight tendency (p < .10) for autonomous motivation to explain differences in other domains of teaching behaviour, with the exception of activating teaching. This study highlights the importance of autonomous motivation in relation to teaching quality. 相似文献
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Nurul Akidah BAHARUDDIN Hamimah Abd RAHMAN Andanastuti MUCHTAR Abu Bakar SULONG Huda ABDULLAH 《浙江大学学报(A卷英文版)》2013,14(1):11-24
Solid oxide fuel cells(SOFCs) offer high energy conversion,low noise,low pollutant emission,and low processing cost.Despite many advantages,SOFCs face a major challenge in competing with other types of fuel cells because of their high operating temperature.The necessity to reduce the operational temperature of SOFCs has led to the development of research into the materials and fabrication technology of fuel cells.The use of composite cathodes significantly reduces the cathode polarization resistance and expands the triple phase boundary area available for oxygen reduction.Powder preparation and composite cathode fabrication also affect the overall performance of composite cathodes and fuel cells.Among many types of cathode materials,lanthanum-based materials such as lanthanum strontium cobalt ferrite(La1-xSrxCo1-yFeyO3- have recently been discovered to offer great compatibility with ceria-based electrolytes in performing as composite cathode materials for intermediate-to low-temperature SOFCs(IT-LTSOFCs).This paper reviews various ceria-based composite cathodes for IT-LTSOFCs and focuses on the aspects of progress and challenges in materials technology. 相似文献
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Alex Livy Sayhean Lye Chahil K. Jagdish Nurul Hanis Velapasamy Sharmila Lian Wee Ler Bagali Pramod 《Indian journal of clinical biochemistry : IJCB》2012,27(1):28-33
Buccal cell usage has been shown by many to be a cost effective and safe method to isolate DNA for various biological experiments
especially large epidemiological studies (Garcia-Closas et al. Cancer Epidemiol Biomarkers Prev 10:687–696, 2001). Non-invasive DNA collection methods are preferred over phlebotomy in order to increase study participation and compliance
in research centers and for sick patients in hospital settings. There have been conflicting reports about the methodology
and results obtained from using buccal DNA. It is not very clear if phlebotomy can be confidently replaced by buccal cell
DNA. It is often left for the user to take an intelligent decision. To address this issue, we compared the performance of
buccal and blood DNA from same subjects in a genotyping experiment and this paper reports the results. Cotton swab derived
buccal cells were scraped from the inner side of cheeks from 16 subjects, and blood was also drawn from the same 16 subjects
participating in a genotypic association study of a lipid disease. The DNA quality was assessed by resolving on agarose gels,
checking purity (A260/A280) and finally by microarray hybridization. This study showed that DNA degradation affects the total
yield and performance of the buccal DNA when compared to the blood DNA in microarray based genotyping. Genotyping results
can be seriously compromised if care is not taken to check the quality and yields of such specimens. 相似文献
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Aqilah Nawwarah H.A. Rajak Dk. Nurul Najiah Pg Abu Bakar Nur Dina Azyyati Lajim Nurul Hikmatull Su’aidah Haji Kamarulzaman Siti Nur Fakhrinah Haji Karim Mohammad Nabil Almunawar 《Education and Information Technologies》2018,23(6):2341-2361
This research studies on the e-learning services acceptance in higher education institutions in Brunei Darussalam. This research has seven hypotheses, relating to independent, intermediary, and dependent variables. The independent variables include lecturer’s characteristics, design of learning contents, teaching materials, and playfulness; while the intermediary variables are perceived benefits and perceived ease of use. On the other hand, the dependent variable in this research is the intention to use e-learning. Multiple regression analysis were conducted to test the hypotheses proposed. Data analysis from this research has confirmed that the lecturer’s characteristics, teaching materials, perceived ease of use and the intention to use e-learning corresponds to the perceived benefits. Meanwhile, the design of learning content and the intention to use e-learning are positively related to the perceived ease of use and lastly, the variable playfulness is positively related to the intention to use e-learning. 相似文献
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Fatin Hazwani Fauzi Nurul Izzati Hamzan Nurhayu Ab Rahman Siti Suraiya Suharni Mohamad 《Journal of Zhejiang University. Science. B》2020,21(12):961
Worldwide there has been a significant increase in the incidence of oropharyngeal squamous cell carcinoma (OPSCC) etiologically attributed to oncogenic human papillomavirus (HPV). Reliable and accurate identification and detection tools are important as the incidence of HPV-related cancer is on the rise. Several HPV detection methods for OPSCC have been developed and each has its own advantages and disadvantages in regard to sensitivity, specificity, and technical difficulty. This review summarizes our current knowledge of molecular methods for detecting HPV in OPSCC, including HPV DNA/RNA polymerase chain reaction (PCR), loop-mediated isothermal amplification (LAMP), p16 immunohistochemistry (IHC), and DNA/RNA in situ hybridization (ISH) assays. This summary may facilitate the selection of a suitable method for detecting HPV infection, and therefore may help in the early diagnosis of HPV-related carcinoma to reduce its mortality, incidence, and morbidity. 相似文献
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Development and validation of a questionnaire for teacher effective communication in Qur’an learning
Yusuf Hanafi Nurul Murtadho Abd Rauf Hassan M. Alifudin Ikhsan Tsania Nur Diyana 《British Journal of Religious Education》2020,42(4):424-434
ABSTRACT A student’s perception of teacher effective communication influences the learning atmosphere. The measurement of perception indicates how students view the quality of learning. As few studies have explored the development of an appropriate measurement tool of students’ perception of learning to read the Qur’an, this study aims to develop such a tool. Conceptual analysis and a survey using open-ended questions resulted in dimensions and items. Six experts and three instructors evaluated the content validity. The questionnaire was then administered to 421 participants – 201 for Exploratory Factor Analysis (EFA) and 220 for Confirmatory Factor Analysis (CFA). The results successfully identified four dimensions that explained 64.6% of the variation. The instrument consisted of 13 items with satisfactory reliability and validity. The dimension with the highest coefficient path was ‘understanding and friendliness’ (UF), while the dimension of ‘learning media’ (LM) was the lowest. There was a significant influence of gender on the dimension of UF, as well as verbal (V) and non-verbal (NV) communication, while there were no differences in the dimension of LM. The questionnaire can be effectively used as a measurement device of dimensions related to students’ perception of teacher effective communication in Qur’an learning. 相似文献
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