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 23 for “"disinfecting"”.
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Vibrio spp. disinfection and immunization of Cobia (Rachycentron canadum) for the prevention of disease in aquaculture facilities
… of nine common aquaculture chemical disinfecting compounds was evaluated against two bacterial pathogens (Vibrio anguillarum and V. ordalii). Both bacterial species were susceptible to a variety of common disinfecting compounds including Chloramine-T®, chlorine, ethanol, iodine, …
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Determinants of work-related skin symptons and dermatitis associated with cleaning agents among health workers of two tertiary hospitals in Southern Africa
… automatically (ORadj 3.28, 95% CI: 1.01-9.32), disinfecting skin prior to procedures (ORadj 2.29, 95% CI: 1.45-3.66) and the use of adhesives for wounds (ORadj 1.91, 95% CI: 1.20-3.07). Risk factors for probable contact urticaria included specimen preparation (ORadj 2.65, 95% CI: 1.06-6.38) and …
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Design of medical waste treatment systems employing bioremediation
The design and development of a system for disinfecting medical waste at the site of origin is presented. Investigation of the current commercial systems that accomplish this task shows that they all expose the waste to physical conditions that are harmful to all forms of life. Further, most are …
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Utilizing a real-time locating system for surgical equipment inventory management
… aims to improve the cost-efficiency of scope disinfecting processes through more efficient inventory management. Finally, the project serves as an opportunity for the hospital to establish best practices for working with the newly installed real-time locating system. The system proposed in …
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Estudio de prefactibilidad para la instalación de una planta procesadora de desinfectante concentrado en cápsulas
… positive reception of products with great disinfecting power. In the present research work, the aim is to take advantage of this opportunity through a pre-feasibility study for the installation of a processing plant for concentrated disinfectant in capsules. The market study was carried out …
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Evaluation of an Electro-Disinfection Technology as an Alternative to Chlorination of Municipal Wastewater Effluents
… H2O2, [O], •OH, and •HO2 provide the strong disinfecting action of the system within a short contact time. The bactericidal efficiency of the process generally increased with the current density and contact time, and the impact of these factors was much larger than that of salinity. The …
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Photocatalytic thin films: their characterisation and antimicrobial properties
… films can demonstrate self-cleaning and self-disinfecting properties. This is due to photocatalytic processes occurring on the film surface resulting in film superhydrophilicity and reactive oxygen species (ROS) production. These ROS and radicals readily oxidise organic pollutants and microbes …
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Enzyme diffusion and cellulose breakdown in the bioremediation of medical waste
… things) two mechanisms: the diffusion of the disinfecting enzymes into small crevices within the waste stream and the breakdown of cellulose-derived material by cellulase enzymes. It was found that the waste stream contained a variety of small crevices which could possibly contain pathogens. …
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Understanding COVID-Induced Public Health Practices and Protocols and Workplace Challenges: The Experiences of Child Care Professionals in Canada
… not feeling well equipped or trained to use disinfecting and sanitizing products (74.8%), experiencing physical difficulties (74.3%), not having sufficient funds (65.2%), the need for more staff to make working during the pandemic easier (62.9%) and need better guidance from public health …
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Disinfectant techniques commonly used in ambulances and other first response vehicles
… medical care. There are also low rates of disinfecting tools such as stethoscopes. More common methods of disinfection that could be integrated into ambulance decontamination include the use of ultraviolet light and hydrogen peroxide systems. UV light is an effective way to denature …
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Emulsion templated assembly of composite particles
… for use as an inexpensive approach for disinfecting surfaces. The final chapters explore the optimization of this approach for producing more diverse systems such as nanocomposites and composite microcapsules. Nanocomposites were successfully produced in a reverse emulsion template by …
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Assessment and improvement of hydraulic disinfection efficiency of a live small drinking water system in South Africa
… in the contact tank, though in the process of disinfecting the water, would mitigate the growth of a biofilm on the RPM.
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Optimization-based Motion Planning for Humanoid Fall Recovery
… care of the elderly, doing house cleaning and disinfecting (especially important during COVID-19), and conducting operations in dangerous situations such as search and rescue during fire or earthquakes. The realization of these expectations of humanoid platforms needs continuous coordination of …
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Opportunistic Pathogens and the Brain-eating Amoeba, Naegleria fowleri in Reclaimed Water, Municipal Drinking Water, and Private Well Water
… understanding that current recommendations for disinfecting private wells are inadequate and standards should be implemented to aid homeowners in the event of flooding. This exploratory research illuminated several factors influencing the OP growth in a range of water systems. Identifying key …
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Studies on the novel detection and destruction of the enteroparasite Giardia lamblia and other veterinary problematic microorganisms examined under varying culture conditions
… in bacterial biofilms, and to provide a means of disinfecting these parasites and biofilms. This study aims to breach the testing void for G. lamblia that currently exists in Ireland by using a combined in vitro HCT-8 cell culture-quantitative PCR assay for evaluating the efficacy of using pulsed …
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Modeling risks associated with water reuse in agriculture
… or to avoid increased ammonia levels by not disinfecting. The results of this study indicated that NTMs pose a negligible risk, ammonia has minimal risk, and L. pneumophila can be a risk to individuals within 500 m of the active irrigator. It is therefore recommended that wastewater be …
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Effect of Standard Post-harvest Interventions of Fresh Vegetables on Bacterial Community Dynamics, Pathogen Survival and Antibiotic Resistance
… processing of vegetables, especially in terms of disinfecting the wash water and preventing cross-contamination. Further, temperature and time of storage of vegetables are critical to prevent the growth of microorganisms. To provide a background inoculum representing potential pre-harvest …
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Recubrimientos anti-biofilm aplicados mediante plasma-polimerización destinados a la industria de manipulación de alimentos y al sector médico
… field, but they are also durable against disinfecting processes with alkaline sanitizers. Therefore, this demonstrates the promising applications of atmospheric pressure plasma technology in food processing and medical industries and it could be an innovative alternative to the current …
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Shear-Spun Polymer Nanofibres For Water Purification
… the filters by nearly 90%, lending them self-disinfecting properties. Double-layering of the nanofibre filters, mixing two different nanofibre types (20% undoped polystyrene nanofibre top layer, with either a 10% undoped, charcoal-doped or silver-doped underlayer) improved filter permeability …
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GVWD corrosion control initiative, phase II: inhibitor chemical testing at Seymour Dam
… corrosion could be reduced by10 to 60 percent by disinfecting with chloramine instead of chlorine and by adjusting pH and alkalinity to 8-8.5 and 20 mg/L as calcium carbonate (CaCO3) respectively. The study also recommended that further corrosion control pilot testing be carried out with chemical …
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