Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 4929 for “"Stem"”.
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STEM crisis or STEM surplus?
… technology, engineering, and mathematics (STEM) workforce is a crucial driver of the U.S. economy. Over the last decade, there has been significant concern regarding the adequacy of the supply of STEM workers to meet the demands of the market. At the same time, many experts have presented …
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Human Mesenchymal Stem Cell Homing to Glioma Stem Cell Xenografts
… However, bone marrow-derived human mesenchymal stem cells (hMSCs) offer a viable alternative to enhance therapeutic delivery – one that overcomes current limitations. hMSCs are a population of cells with the capability of self-renewal and multilineage differentiation that can be safely isolated …
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Females in STEM: Self-Efficacy Within Women Who Pursue STEM Majors
… States, women are still underrepresented within STEM. Research within this document shows that women and men score similarly on STEM-related standardized tests. The question remains, why are there still large quantities of men outnumbering women in college majors and career fields of STEM? …
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Potential Rest Targets In Neural Stem Cells and Glioblastoma-Derived Stem Cells
… are caused by self-renewing glioblastoma-derived stem cells (GSCs). At the current time, the mechanisms that regulate self-renewal and other oncogenic properties of GSCs remain unknown. Recently, we found transcriptional repressor REST maintains self-renewal in neural stem cells (NSCs) and in …
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PRINCIPALS AS STEM LEADERS MANAGING THE IMPLEMENTATION OF A STEM BASED PRIMARY CURRICULUM
The need for STEM is important. It is STEM that will drive the next work revolution and make everyone’s life a bit easier. The research is aimed at looking at principals as STEM leaders within the Jamaican education system, as they implement the National Standards Curriculum (NSC) The NSC which is …
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University Instructors Beliefs, Attitudes, and Practices Across Stem and Non-Stem Blended Courses
… across disciplines are influenced by their epistemological beliefs (about the nature of knowledge), pedagogical beliefs (conceptions of teaching and learning), and their attitudes towards technology in blended courses. These relationships between instructors' beliefs, attitudes, and practices …
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Targeted mesenchymal stem cell differentiation from induced pluripotent stem cells for therapeutic application
<p>Over the past decade, mesenchymal stem cells have increasingly gained interest as a cell source for the treatment of a variety of diseases. This is because they play several roles in tissue homeostasis and regeneration, such as altering the immune response to limit inflammation, aiding tissue …
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Directly induced Neural Stem Cells transplantation and prospects for stem cell-based therapy
… inflammation within the central nervous system (CNS) is coupled by ongoing neurodegeneration and demyelination. Cell transplantation is among the most promising therapeutic approaches in regenerative medicine, combining tissue trophic and immunomodulatory effects of the graft with its …
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STEM Identity, Sense of Belonging, and Academic Engagement: Motivational Pathways Among Undergraduate STEM Students
Background: Academic success and engagement in STEM are shaped not only by students’ preparation but also by their psychological experiences within learning environments. Grounded in social cognitive theory (Bandura, 1986) and situated expectancy–value theory (Eccles & Wigfield, 2002), this …
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Encouraging Underrepresented Minority Student Participation in the STEM Pipeline Through Authentic STEM Learning Experiences
… technology, engineering, and mathematics (STEM) programs among underrepresented minority (URM) groups at the collegiate level. However, K–12 institutions have an obligation to address the inequity also. To address the inequity that exists in STEM participation at the high school level, the …
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Special Education and STEM Education Teacher Credentials and Instructional Preparedness for Inclusive STEM Education
… to meet the demands of industry within society, STEM (Science, Technology, Engineering, and Mathematics) education has been a major push for the United States Government resulting in public school system reform. As STEM education begins to become integrated across disciplines and special areas of …
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Modeling Stem Cell Population Dynamics
… of the stochastic nature of biological systems, mathematical and computational modeling approaches have become more acceptable to experimentalists and clinicians in recent years as contributing to new understandings of complicated cell mechanisms and tissue physiology. Indeed, even single …
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Regulation of Hematopoietic Stem Cells
… thesis is about the regulation of hematopoietic stem cells (HSCs) that represent rare cells residing in the bone marrow (BM) of adults. They are multipotent cells that have the capacity to differentiate to all mature cells of the blood system and have the capacity to self-renew, i.e. generate new …
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Malignant Gliomas Originate From Neural Stem/Progenitor Cells and Are Maintained By Cancer Stem Cells
… subtypes. Previous studies suggested a neural stem/progenitor cell (NSC) origin for gliomas, however strict exprimental evidence was still lacking. To examine the role of NSCs in glioma, we developed an NSC-specific tamoxifen-inducible nestin-cre driver mouse. When crossed to the NF/p53/Pten …
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Comparative Analysis of Antiviral Responses in Mouse Embryonic Stem Cells and in Mesenchymal Stem Cells
<p>Embryonic stem cells (ESCs) are cells that have unlimited capacity for selfrenewal and differentiation. These properties make ESCs a great cell source for application in regenerative medicine. When used for cell therapy, ESC-derived cells could be placed in a wounded area that is likely to be …
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Exploring Community Colleges in the Stem Education Landscape : development of stem college major choice model
… technology, engineering, and mathematics (STEM) majors. These institutions are also an important education pathway for women and racial/ethnic minorities who are currently underrepresented in the STEM workforce. The purpose of this study is to understand how student demographics, high …
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THE HYPOXIC HEMATOPOIETIC STEM CELL NICHE Consequences of Hypoxia-induced Transcription on Stem Cell Fate
… formation that originates with the hematopoietic stem cell (HSC), a cell type that is responsible for the life-long supply of mature blood cells. HSCs are defined by their ability to self-renew as well as giving rise to differentiated cells of all blood lineages. Because of these features, HSCs …
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