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 91 for “"potassium (K)"”.
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Investigations into the roles of potassium channels in hair growth. Studies confirming the presence of several ATP-sensitive potassium (K+ATP) channels in hair follicles and exploring their mechanism of action using molecular biological, cell culture, organ culture and proteomic approaches.
… for hair loss is minoxidil, an ATP-sensitive potassium (KATP) channel opener whose mechanism of stimulation is unclear. The regulatory component of KATP channels has three forms: SUR1, SUR2A and SUR2B which all respond to different molecules. Minoxidil only opens SUR2B channels, though SUR1 …
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Effect of Liquid Manure on Corn and Soybean Growth, Nitrogen Uptake, and Yields
… quantities of nitrogen (N), phosphorus (P), and potassium (K) for corn, has resulted in uneven growth and reduced grain yields. Field studies were conducted at Pearl City, Illinois, in 1983 and 1984 to evaluate the effects of manure rate, nitrification inhibitors, methods of manure application, …
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The effects of N-acetylcysteine infusion on performance, glutathione and ion regulation during voluntary exercise in humans
… enhance glutathione availability and enhance potassium (K+) regulation during voluntary fatiguing exercise.
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The influence of N, P, K, lime and other factors affecting the growth of container-grown freesia : A thesis submitted in partial fulfilment of the requirements for the degree of Master of Horticultural Science in the University of Canterbury [Lincoln College]
… 1. The effect of nitrogen (N), phosphorus (P) potassium (K) and lime (Ca - as dolomite and agricultural lime) on the growth and flowering of tetraploid freesias. 2. The effect of magnesium (Mg) on growth. 3. The influence of density and shade on freesia development. 4. The effect of the hormone …
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Geochemical Evidence for Vertical Migration of Deep Formation Fluids through the Baton Rouge -Denham Springs Fault System
… elements. Low Bromide (Br)/Chloride (Cl) and Potassium (K) /Cl ratios, high Sodium (Na) /Cl ratios, trace Magnesium (Mg) concentrations, and low Strontium (Sr) <sup>87</sup>/Sr<sup>86</sup> in brackish waters from the BRAS are inconsistent with <em>in situ</em> saline water from marine …
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Remote Detection of Sodium and Potassium Atomic Emission Signatures as an Indicator of Liquid Carry-Over into Flare Systems
… production sites is unknown. Sodium (Na) and potassium (K) are abundant in produced water samples and have persistent atomic emission signatures at 588/589 and 766/769 nm. A pair of spectrometer systems was developed to detect these signatures in flare flames as proof of liquid carry-over. …
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Effect of shear stress on surface membrane potassium ion permeability of calf pulmonary artery endothelial cells (Potassium ion)
… determine the effect of shear stress on membrane potassium (K$\sp+$) permeability in vascular endothelial cells. Cultured monolayers of calf pulmonary artery endothelial cells, preloaded with $\rm \sp{86}Rb\sp+$, were subjected to different levels of fluid shear stress in the range 1-10 …
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EVALUATION OF BASE LINERS TO REDUCE NITROGEN AND SALT LEACHING FROM POULTRY LITTER STORAGE STOCKPILES TO THE UNDERLYING SOIL - A FIELD COLUMN STUDY
… of the pile and the soil to reduce nitrogen (N), potassium (K) and sodium (Na) movement from PL stockpiles after 15 and 91 days of storage. Six conically shaped stockpiles were established with five PVC pipe columns placed in the soil under each pile. The soil surface in each column was covered …
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Hair Na and K Concentration is Related with the Risk of Coronary Artery Disease in Korean Men
… mineral metabolism, particularly sodium (Na) and potassium (K), is associated with increased risk of coronary artery disease (CAD). There has been no previous study to elucidate the relationship using hair mineral concentration which is a better reflection of body mineral content compared to …
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Consequences of nutrient enrichment for soil organic matter cycling in grasslands
… such as nitrogen (N), phosphorus (P), and potassium (K), worldwide. Since alterations to nutrient cycles influence carbon (C) fixation and decomposition processes, nutrient enrichment affects global C stocks -- such as soil C. Carbon in soil organic matter (SOM) far outweighs vegetative C …
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Development of intelligent stimuli-responsive biomaterials and nanodevices
… capability induced by metal-ions, such as potassium (K<sup>+</sup>) and sodium (Na<sup>+</sup>). The second topic introduces the study of stepwise reversible assembly of DNA origami nanoclusters via pH stimulation. The association and dissociation processes are realized by the conformation …
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Πρωτότυπος μετρητής ολοσώμου γ-ακτινοβολίας και η χρήση του στον in-vivo προσδιορισμό του ραδιενεργού καλίου και καισίου
… concern the total content of the human body in potassium (K) and thus the concentration of Κ in the body of 116 normal Greeks, This concentration was proved to be in correlation with the age and the mass of the body. Also, the consequences of the fall out of the Cesium (¹³⁷Cs-¹³⁴C₃), …
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Long-term Effects of Prescribed Fire and Fire Surrogate Treatments on Southern Appalachian Mountain Forest Soil Chemistry
… calcium (Ca), magnesium (Mg), phosphorus (P), potassium (K), and pH. Results suggested slight, but statistically significant changes in O horizon C and N and mineral soil C, N, C:N, Ca, and P values from 2001-2018 differed statistically between the treatments. Soil responses differed …
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Soil-Specific, Late-Season Nitrogen and Potassium Applications to Increase Corn Yields in the Mid-Atlantic Coastal Plain
… grain yields can be limited by nitrogen (N) and potassium (K) availability on sandy coastal plain soils when soil moisture is adequate for high yields. This study evaluated irrigated corn grain yield response to late-season (just prior to tassel) N and K fertilizer applications, and enabled the …
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Effects of high carbon dioxide concentration on oil palm growth and development
… percentage of nitrogen (N), phosphorous (P) and potassium (K). Enhanced photosynthetic rate due to high CO2 level markedly increased clonal palm growth and biomass. Valuable information of this study may be beneficial for the oil palm industry to develop suitable mitigation strategies in the …
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Soil Carbon, Nutrients, and Phosphorus Fractions: Responses to Weed Control and Harvest Residual Retention in two 10-Year-Old Douglas-fir (Pseudotsuga menziesii) Stands of the Pacific Northwest
… (N), and P, and exchangeable calcium (Ca), potassium (K), magnesium (Mg), and Hedley P fractions were measured prior to treatment establishment and after ten years in two Douglas-fir (Pseudotsuga menziesii) plantations in the Pacific Northwest. We observed increases in most nutrient …
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Optimizing Hydroponic Lettuce Yield: Evaluation of Potassium Source and Concentration with Plant Imaging
… is set to investigate the impact of different potassium (K) sources and concentrations on 'Green Oakleaf' lettuce growth. The K concentration within the Virginia Tech base hydroponic lettuce fertilizer was increased,1x, 2x, and 3x the normal rates of K ppm, through the addition of potassium …
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Full-Season and Double-Crop Soybean Response to Potassium Fertilizer
Demand for potassium (K) increases with increasing soybean yield. Little research has been conducted on soybean response to K on coastal plain and piedmont soils of Virginia, especially in double-crop systems. Nineteen full-season and 14 double-crop soybean experiments were conducted in 2013 and …
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Investigating Nutrient Management Innovations in Upland Cotton Production to Increase Agronomic Efficiency
… were to: 1) evaluate the effects of side-dress potassium (K), sulfur (S), and boron (B) formulation and application timing on tissue nutrient levels during the bloom period; 2) evaluate lint yield response of cotton to different formulations of nitrogen (N), K, S and B applied at side-dress; and …
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Benzoic acid regulates the physio-biochemical responses of chia (Salvia hispanica L.) seedlings under salinity stress
… higher levels of essential ions such as potassium (K), magnesium (Mg), and calcium (Ca), which are crucial for salinity (NaCI) tolerance. ISIZULU ISIFINYEZO Ukunganyakazi kwezitshalo kubenza bahlale bebhekene nezinsongo ezihlukahlukene ezibangelwa yisimo sezulu noma izinto eziphilayo. …
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