Trends in SEN identification: contexts,causes and consequences     

Jo Hutchinson  Sami Timimi  Neil McKay 《Journal of Research in Special Educational Needs》2021,21(1):19-38

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Humanitas Emptor: Reconsidering Recent Trends and Policy in Science Teacher Education     

Dana L. Zeidler  Benjamin C. Herman  Michael P. Clough  Joanne K. Olson  Sami Kahn  Mark Newton 《Journal of Science Teacher Education》2016,27(5):465-476

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Developing Environmentally Responsible Behaviours Through the Implementation of Argumentation- and Problem-Based Learning Models     

Fettahlıoğlu  Pınar  Aydoğdu  Mustafa 《Research in Science Education》2020,50(3):987-1025

Research in Science Education - The purpose of this research is to investigate the effect of using argumentation and problem-based learning approaches on the development of environmentally...  相似文献   

Construction of periodic and solitary wave solutions for the complex nonlinear evolution equations     

Adem C. Cevikel  Ahmet Bekir  Sait San  Mustafa B. Gucen 《Journal of The Franklin Institute》2014

In this paper, we present a functional variable method for finding periodic wave and solitary wave solutions of complex nonlinear evolution equations in mathematical physics and engineering sciences. The proposed technique is tested on the generalized Zakharov equation and higher-order nonlinear Schrödinger equations. The method is straightforward and concise, and it can also be applied to other nonlinear evolution equations in applied mathematics.  相似文献   

Practical stability in terms of two measures for fractional order dynamic systems in Caputo's sense with initial time difference     

Muhammed Çi̇çek  Coşkun Yakar  Mustafa Bayram Gücen 《Journal of The Franklin Institute》2014

The initial time difference practical stability in terms of two measures has been investigated for nonlinear fractional differential equations in Caputo's sense and these properties have been unified with Lyapunov-like functions to establish a comparison result.  相似文献   

Biological variations of ADAMTS13 and von Willebrand factor in human adults     

Meltem Kilercik  Abdurrahman Coskun  Mustafa Serteser  Deniz Inan  Ibrahim Unsal 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2014,24(1):138-145

Background:

The ultra-large von Willebrand factor (vWF) multimers are very active and must be degraded by ADAMTS13 for optimal activity. A severe functional deficiency of ADAMTS13 has been associated with thrombotic thrombocytopenic purpura. The correct interpretation of patient vWF and ADAMTS13 plasma levels requires an understanding of the biological variation associated with these analytes. In the present paper, we aimed to determine the biological variation of ADAMTS13 and vWF in human adults.

Materials and methods:

Blood samples were collected weekly from 19 healthy subjects for 5 consecutive weeks. vWF activity and antigenicity were determined using aggregometric and immunoturbidimetric methods. ADAMTS13 antigenicity and activity were determined by ELISA.

Results:

The within-subject biological variations for vWF activity and antigenicity were 8.06% and 14.37%, respectively, while the between-subject biological variations were 18.5% and 22.59%, respectively. The index of individuality for vWF activity was 0.44, while vWF antigenicity was 0.64. Similarly, ADAMTS13 activity and antigenicity within-subject biological variations were 12.73% and 9.75%, respectively, while between-subject biological variations were 9.63% and 6.28%, respectively. The ADAMTS13 indexes of individuality were 1.32 and 1.55, respectively.

Conclusion:

We report high biological variation and individuality in vWF antigenicity and activity levels. However, ADAMTS13 antigenicity and activity displayed high biological variation, but low individuality. Thus, population-based reference intervals may be useful for monitoring ADAMTS13 antigenicity and activity, but not for vWF, which displays high individuality. These findings should be considered when determining the reference interval and other clinical variables associated with ADAMTS13 and vWF levels.  相似文献   

70-year old female patient with mismatch between hematocrit and hemoglobin values: the effects of cold agglutinin on complete blood count     

?erif Ercan  Mustafa ?al??kan  Erhan Koptur 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2014,24(3):391-395

Introduction:

There are a number of pre-analytical and analytical factors, which cause false results in the complete blood count. The present case identifies cold agglutinins as the cause for the mismatch between hematocrit and hemoglobin values.

Materials and methods:

70-year old female patient had a history of cerebrovascular diseases and rheumatoid arthritis. During routine laboratory examination, the patient had normal leukocyte and platelet counts; however, the hemoglobin (Hb: 105 g/L) and hematocrit (HCT: 0.214 L/L) results were discordant. Hemolysis, lipemia and cold agglutinin were evaluated as possible reasons for the mismatch between hematocrit and hemoglobin values.

Results:

First blood sample was slightly hemolysed. Redrawn sample without hemolysis or lipemia was analyzed but the mismatch became even more distinct (Hb: 104 g/L and HCT: 0.08 L/L). In this sample, the titration of the cold agglutinin was determined and found to be positive at 1:64 dilution ratios. After an incubation of the sample at 37°C for 2 hours, reversibility of agglutination was observed.

Conclusion:

We conclude that cold agglutinins may interfere with the analysis of erythrocyte and erythrocyte-related parameters (HCT, MCV, MCH and MCHC); however, Hb, leukocyte and platelet counts are not affected.  相似文献   

Adequacy, efficiency and equity of higher education financing: The case of Egypt     

Yasmine Fahim  Noha Sami 《Prospects》2011,41(1):47-67

To meet its future challenges in financing higher education, Egypt has no option but to search for alternative funding arrangements. This article considers the question of how to do so, keeping in mind the need to ensure equitable access to good quality education for those who cannot afford it. To this end, the article begins by assessing public expenditure on higher education in Egypt, with respect to its adequacy, efficiency, and equity. Next, it analyzes the impacts that demographic changes, the demand for quality education, and the transition to private provision of education will have on the nature of financing higher education in the future. It concludes by suggesting alternative strategies to address the problem of financing higher education in Egypt.  相似文献   

Turkish elementary student teachers’ epistemological beliefs and moral reasoning     

Mustafa Sami Topcu 《欧洲师范教育杂志》2011,34(1):99-125

The purpose of the present study was to explore the relationships among Turkish elementary student teachers’ epistemological beliefs and moral reasoning, and to determine which types of epistemological beliefs elementary student teachers exhibit. The findings of the present study demonstrated that epistemological beliefs did not make a unique contribution to moral reasoning and student teachers’ epistemological beliefs developed as more or less independent beliefs. The factor analyses results suggest that multidimensional theory is more appropriate than unidimensional theory in explaining student teachers’ epistemological beliefs.  相似文献   

The case of EAI facilitating knowledge management integration in local government domain     

Muhammad Mustafa Kamal^{Author Vitae} 《International Journal of Information Management》2011,31(3):294-300

Information Technology (IT) infrastructure integration and knowledge management (KM) share communal objectives e.g. to transform organisations into more effective and efficient, agile and innovative, and more responsive to market changes. Such an association when assimilates bona fide knowledge management philosophy, it offers the IT departments a headship opportunity for organisational transformation in correlation with the rest of the organisation. Despite more than a decade of active research and practice in this complex problem area, advocates still perceive that Local Government Authorities (LGAs) lack integrated IT infrastructures that have resulted in the generation of data inconsistencies and redundancies, inefficient knowledge exchange and reduction in service quality and delivery. In the recent years, several LGAs have implemented Enterprise Application Integration (EAI) solutions to integrate their IT infrastructure. However, on analysing the relevant research studies, it is noticeable that application of EAI has been practiced at a larger scale in the private domain but to limited scale in the public domain. The shortage of such research studies presents a knowledge gap that needs to be endorsed. This research adapts a Revised Model for Integration Layers (REAL). By adapting to this model, it is exemplified that EAI achieves integration at five layers namely: connectivity, transportation, transformation, process integration and knowledge integration. The methodology for validating this model included a qualitative analysis of data gathered from formal interviews, observations and archive documents guided by initial conceptual observations from the literature. The findings indicate that cases leading to data inconsistencies and replication can be prevented by integrating knowledge through EAI.  相似文献