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 66 for “"K12"”.
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An examination of ideology among selected K12 Christian school superintendents
… on explaining the decision-making process of K12 Christian school superintendents who were members of the Association of Christian Schools International (ACSI) organization. In spite of similar religious and philosophical beliefs, it was observed that ACSI K12 Christian school superintendents …
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Resistance to colicins in Escherichia coli K12 / John K. Davies
vii, 185 leaves : ill., tables ; 29 cm.
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Experiences of precarity: Oral histories of K12 dance teachers in Delhi
The experiences of dance teachers in K12 schools in Delhi of negotiating the contemporary education space; navigating the tension between artistic aspirations and making a livelihood through dance; of dealing with questions of class, caste, language, religion, ageing, and gender are vital to …
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The Expression of DNA Restriction-Modification Genes of ESCHERICHIA COLI K12
<p>To facilitate the study of the expression of hsd genes in Escherichia coli K, hsdK::MudX (amp crop lac) operon fusion mutants have successfully been constructed and characterized for the first time. The results indicate that Promoters 1 and 2 for hsdK genes appear to be relatively weak, as …
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A Major Cell Envelope Protein Of Escherichia Coli K12: Purification And Properties
… of a major cell envelope protein from E. coli K12, the so-called "succinate eluted protein" (SEP) is reported. SEP was released by EDTA-sucrose and osmotic shock treatments, or during the formation of spheroplasts. The protein was purified on columns of aspartate-Sepharose (A-S) an affinity …
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Crowdsourcing Cognitive Presence: A Quantitative Content Analysis of a K12 Educator MOOC Discussion Forum
<p>Massively Open Online Courses (MOOCs) offer participants opportunities to engage with content and discussion forums similar to other online courses. Pedagogical components of MOOCs and the nature of learning are worth of examining due to issues involving scale, interaction and the role of the …
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A Genetic and Biochemical Analysis of Attenuation Regulation in the Threonine Operon of Escherichia Coli-K12
Threonine biosynthesis in Escherichia coli K-12 was proposed to be regulated by an attenuation mechanism. A genetic and biochemical analysis was performed to provide more evidence that attenuation was the mechanism utilized to regulate threonine biosynthesis.
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The Deoxythymidine Kinase-Deoxythymidylate Kinase Enzymes in SALMONELLA POTSDAM and ESCHERICHIA COLI K12 Infected with Bacteriophage P3
… capable of infecting <em>Escherichia coli</em> K12, but undergoes a host-controlled modification of its nucleic acid in the <em>E. coli</em>. The resultant P3 is found to be restricted in its growth in the <em>Salmonella</em> host as a result of this restriction.</p> <p>The deoxythymidine kinase …
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Giving a Shit: The Intersection of Trait Mindfulness and Social Justice Orientations in K12 Educators (A Mixed Methods Study)
… and social justice orientations among K12 educators using a convergent mixed-methods design. As mindfulness becomes increasingly embedded in schools serving strategically undervalued student populations, the study investigates how educators’ dispositional mindfulness relates to …
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The Development of an Instrument for K12 Coordinators Implementing Curriculum Videoconferencing and a Model to Predict Utilization of Videoconferencing
… conceptualization included the development of a K12 Curriculum Videoconferencing Implementation Scale, as well as measures of educational service agency support, technical support, administrative support, and school and demographic variables. Multiple regression analysis was used to determine the …
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Proteome, transcriptome and metabolome plasticity in closely related strains of Escherichia coli - K12 and its diversity during molecular evolution processes
Escherichia coli, originally known as Bacterium coli commune, was identified in 1885 by the German pediatrician, Theodor Escherich. They are Gram-negative, straight and rod-shaped bacteria from the Enterobacteriaceae family. Due to its rapid growth rate, simple nutritional requirements and …
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ENHANCEMENT OF hFVIII ACTIVITY THROUGH LC MODIFICATIONS FOR GENE THERAPY OF HEMOPHILIA A
… kLC, a final construct was engineered. The hLC-K12 is a human Light Chain (hLC) construct containing 12 amino acid changes that work together to enhance coagulation activity. A comparison of the FVIII clotting activity to the amount of protein produced determined that hLC-K12 produced a 3.28 …
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Searching for deep understanding : implementing a mechanical engineering design process in K9-K12 physics classrooms to identify and improve levels of physics intuition and content
… level of Physics content knowledge of various K9-K12 Physics students in a local Boston high school by having them implement a mechanical engineering design process to solve open-ended design problems. Using MIT's 2.009 and 2.72 Mechanical Engineering project-based classes as models for project …
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Genetische und molekularbiologische Analyse von fim Determinanten bei Citrobacter freundii und Escherichia coli
… vermittelt nicht-invasiven E. coli K12 Stämmen Invasivität. Im Gegensatz dazu sind rekombinante E. coli K12 Klone, die das fim Operon aus S. enterica serovar Typhimurium bzw. E. coli oder andere E. coli Adhäsindeterminanten tragen, nicht invasiv. Im Rahmen dieser Arbeit wurden die …
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Perceptions of Blended Learning in the High School Classroom
… technologies and accessibility increase in the K12 environment, teachers are offered opportunities to rethink the paradigm of the instructional and learning process. They are at the forefront of instructional change. One type of change is the use of technology as an instructional strategy. …
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Isolation et purification partielle du EF-P et l'étude de son effet sur la synthèse du bien peptidique en présence d'antibiotiques
… on l’a isolé de cellules d’Escherichia coli K12, puis purifié en employant les techniques connues telles que la précipitation au sulfate d’ammonium, le passage sur colonne et l’ultrafiltration. »
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The role of signal regulatory protein alpha in regulating macrophage subset activity in homeostasis and inflammation
… Staphylococcus aureus LTA, Escherichia coli K12 LPS or Porphyromonas gingivalis LPS. TNFα production was measured by ELISA. M2-like Mφs were found to express higher levels of SIRPα than M1-like Mφs, and K562 cells expressed greater CD47 than HL-60 cells. In Mφ monoculture, all stimulation …
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Incorporation of selected plant extracts into edible chitosan films and the effect on the antiviral, antibacterial and mechanical properties of the material
… against Listeria innocua and Escherichia coli K12. The viral infectivity after treatments was measured by plaque assays. The 1, 1.5 and 2.5% aqueous GTE solutions significantly (p<0.05) reduced murine norovirus (MNV-1) plaques by 1.69, 2.47, and 3.26 log after 3 h exposure, respectively. …
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Epidermicin NI01 and human β-defensin 2 as modulators of macrophage subset responses
… β-defensin 2 in the presence of the TLR4 agonist K12 LPS, up-regulated the release of the pro-inflammatory cytokines TNFα and IL-1β from M1- and M2-like macrophages. Conversely, epidermicin NI01 strongly up-regulated release of a number of pro-inflammatory cytokines in the presence and absence of …
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