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 270 for “"ACC"”.
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Isolation and molecular characterisation of two Pseudomonas sp. ACC deaminase genes
… precursor, 1-aminocyclopropane-1carboxylic acid (ACC). This can be achieved through degradation of ACC by the enzyme ACC deaminase to form α-ketobutyric acid and ammonia. ACC degrading soil microorganisms were identified by their ability to grow on ACC as a sole nitrogen source. Enzyme assays …
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Establishing a physical and chemical framework for Amorphous Calcium Carbonate (ACC) biomineralization
… polymorphs. Amorphous calcium carbonate (ACC) is now recognized as a precursor to CaCO₃ biominerals in a wide variety of natural environments. Recent studies suggest an ACC pathway may imprint a different set of dependencies from those established for classical growth processes. Previous …
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Appreciation and Well Being: Proposing Active Constructive Complimenting (ACC) and Active Constructive Accepting (ACA) to improve appreciation
… and the challenges faced while giving and accepting appreciation. Also, in addition to highlighting ways to make appreciation more aligned with the idea of positive psychology, I will draw on relevant literature from psychology and sociology, to propose the concepts of active constructive …
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Characterization of the ACC-1 Family of cys-loop ligand gated ion channels from the parasitic nematode Haemonchus contortus.
… and relevance for anthelmintic action. The ACC-1 family of receptors is a group of inhibitory acetylcholinegated chloride channels that are unique to invertebrate species. Specifically, the ACCs have been identified in both free-living (Caenorhabditis elegans) and parasitic (Haemonchus …
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Top-down and Bottom-up influences on ACC activation: Evaluation of a proposed model of the feedback-related negativity
… error signal from the subcortical areas to the ACC (i.e., a bottom-up signal). Two studies were conducted in order to test a new model of FRN generation, which includes direct modulating influences of medial PFC (i.e., top-down signals) on the ACC at the time of the FRN. Study 1 examined the …
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Asymmetric α-Alkylation of Acyclic Ketones Utilizing Chiral Nonracemic N-Amino Cyclic Carbamate Hydrazones
… of ketones using N-Amino cyclic carbamate (ACC) chiral auxiliaries is described. ACC alkylation delivers excellent stereoselectivity and yields, with a camphor-derived ACC auxiliary exhibits the highest stereoselectivities. A full account of this ACC method is discussed herein, including the …
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Phosphorylation of Skeletal Muscle Acetyl-CoA Carboxylase by AMPK Enhances Palmitoyl-CoA Inhibition
Acetyl-CoA carboxylase (ACC) catalyzes the formation of malnoyl-CoA, which in turn controls the rate of fatty acid metabolism. ACC beta or 2 has been shown to be localized on the mitochondria in close proximity to carnintine palmitoyl transferase 1 (CPT-1), the enzyme responsible for the influx of …
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Establishing the Physical Basis for Calcification by Amorphous Pathways
… polymorphs. Amorphous calcium carbonate (ACC) is now recognized in a wide variety of natural environments. Recent studies indicate the chemical signatures and properties of the carbonate polymorphs that transform from an ACC pathway may obey a different set of dependencies than those …
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Thermo and drought tolerance markers and regulation of heat stress proteins for chickpea (Cicer arietinum L.; Fabaceae) production in NE South Africa
… NE South Africa. Results showed two genotypes (Acc#3 and Acc#7) were tolerant to heat stress with an Fᵥ/Fₘ of 0.83-0.85 at the warmer site, while the two sensitive genotypes (Acc#RR-2 and Acc#8) showed lower Fᵥ/Fₘ of 0.78-0.80. Both chlorophyll fluorescence measurements: dark-adapted Fᵥ/Fₘ and …
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Influence of additives on stabilization and mineralization pathway of amorphous calcium carbonate nanoparticles
Amorphous calcium carbonate (ACC) is of high interest because of its critical role in biomineralization. ACC can be a precursor of crystalline calcium carbonate phases that are more energetically stable. ACC is not only stored in organisms for long time for the subsequent mineralization of new …
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Genotypic variation in water use efficiency, gaseous exchange and yield of four cassava landraces grown under rainfed conditions in South Africa
… (RCBD) consisting of four cassava landraces (ACC#1, ACC#2, ACC#3, and ACC#4) replicated three times. Mature cassava stem cuttings of 30 cm long, were planted manually at a spacing of 1 m x 1 m in both seasons. Each experimental unit consisted of six plant rows of 6 m length (36 m2) and 8 rows …
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Isolation and partial characterization of three acetylcholine-gated chloride channels in Haemonchus contortus
… acetylcholine-gated chloride channelss (hco-acc-1, hco-acc-2, and hco-acc-4) genes from the nematode parasite Haemonchus contortus and provides evidence suggesting that they could be developed as a future anthelmintic targets. While these genes appear similar in sequence to the previously …
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Quantifying changes in accelerations and heart rate indicative of fatigue during condensed competitions in elite youth ice hockey players
… Bioharness-3 (Zephyr, MD) sensors to compare accelerations (ACC) and heart rate (HR) over four games (G1–G4) in three days, in order to establish changes in cardiovascular stress and physical exertion associated with fatigue. Peak ACC and HR across multiple time frames were quantified and …
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The response of symbiotic performance, growth and yield of chickpea (Cicer arietinum L. ) genotypes to phosphorus fertilizer rates and rhizobial inoculation
… 90 kg P ha-1 ), four desi chickpea genotypes (ACC#1, ACC#2, ACC#3 and ACC#5) and two rhizobial inoculation levels (bradyrhizobium strain and without rhizobial strain. In Thohoyandou, ACC#1 showed greater grain yield in 2016 and 2017. Which was associated with more branches and greater plant …
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Employing the Acoustic Change Complex for Vowel Discrimination
… potential known as the acoustic change complex (ACC). The present study addressed the effects of level and vowel contrast type on ACC amplitudes and latencies. Nineteen normally hearing adults were tested with vowel tokens, /a/, /i/, /o/, and /u/, of 500 ms duration presented at 2/s, in an …
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THERAPEUTIC POTENTIAL OF TARGETING THE FLNA-REGULATED WEE1 KINASE PATHWAY IN ADRENOCORTICAL CARCINOMAS.
Adrenocortical carcinomas (ACC) are highly aggressive tumors with very limited treatment options. Alterations in cell cycle-related genes have been identified as key ACC drivers, and they are largely present in the most aggressive tumor subtypes. Compared to benign adenomas (ACA), the cytoskeletal …
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Decoding observational learning : a circuit level analysis of the social brain
… about the role of the anterior cingulate cortex (ACC) and the basolateral amygdala (BLA) in observational fear learning. We show that both the ACC and the BLA contain neurons that show conditioned responses to the cue and are therefore neural correlates of observational fear learning. We …
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Aging and Cognitive Control: Hemispheric Differences and White Matter Integrity
… that anterior regions of the corpus callosum (aCC) decline with advanced age. This decline in aCC may lead to a reduction in the ability of the pre-frontal cortices to coordinate their activity and successfully engage in top-down control of posterior regions. Thus, the decline in cognitive …
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Novel Metabolic Regulation of Invadopodia and Invasion by Acetyl-CoA Carboxylase and Lipogenesis
… Inhibition of acetyl-CoA carboxylase (ACC), the rate-limiting step of fatty acid synthesis, reduced invadopodia incidence in Src-transformed 3T3 (3T3-Src) cells. Blocking ACC or fatty acid synthase (FASN) activity also altered pathway activity and cellular phospholipid profiles, …
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