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.
Results
Showing 1 to 20 of 50 for “"bacterial contamination"”.
-
Analysis of bacterial contamination in the Charles River Basin
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1995.
-
Locating Sources of Bacterial Contamination In the Toms Creek Watershed
… Park managers are especially concerned about bacterial water quality to protect the health of visitors. The goals of this study were to assess the spatial and temporal variability in bacterial concentrations, and to identify sources, either human or animal in the Toms Creek watershed. We …
-
Effects of Electrically-Stimulated Silver-Coated Implants and Bacterial Contamination in a Canine Radius Fracture Gap Model
… silver-coated stainless steel implants and bacterial contamination in a canine radius fracture gap model. Twelve skeletally mature canines weighing 19.2-23.2 kg were used. Dogs were randomly assigned to into control and contaminated groups. A 5 mm ostectomy gap was made in both radii of each …
-
Lipopolysaccharide in marine bathing water; a potential real-time biomarker of bacterial contamination and relevance to human health
… thus needed as an early warning to bathers for bacterial contamination in marine bathing waters. Total lipopolysaccharide (LPS) was chosen here as a potential general biomarker for bacterial contamination. Levels of total LPS, measured using a Kinetic QCL™ Limulus Amebocyte Lysate (LAL) assay, …
-
The water purification robustness of metal-organic framework-polyamide nanocomposite thin films toward long term organic, inorganic, and bacterial contamination
… organic frameworks (Ag-MOFs) to improve its antibacterial and antifouling properties. The project has been carried out in three different phases using different types of Ag-MOFs with and without additives, with various fabrication methods for modification of the polyamide layer. All the membranes …
-
An investigation and examination of the levels and types of bacterial contamination on the surface of clean room operators' garments.
The contamination of sterile pharmaceutical products is a serious event which has in the worst case scenario led to patient death. Operators are the primary source of clean room contamination, with the majority of their detritus being identified as skin squames and their related microorganisms. The …
-
Removal of Biofilm through Controlled Cavitation
… consideration towards prevention and removal of bacterial contamination. Bacterial contamination or rather degradation of materials was considered of negligible importance. Bacterial degradation can be serious for long-term manned space mission, more so because there is no way to obtain quick …
-
Clarification of hog cholera defibrinated blood antitoxin
… and that the product of the process is free from bacterial contamination. While it is shown by analysis that the globulin content of the serum suffers a slight loss, when the serum is treated by this process, potency tests indicate that the loss in antibodies that occurs during clarification may …
-
A study of selected antineoplastic, antibiotic, and corticosteroid drugs in intravenous admixtures
… allergic reactions, incompatible blood groups, bacterial contamination, particulate matter, thrombophlebitic syndromes, stability of solutions, and incompatibilities of admixtures soon became apparent. The purpose of this paper is to explore certain aspects of the latter problem, i.e., …
-
Application of hazard analysis critical control point (HACCP) concept to study cattle slaughterhouse hygiene and Carcass contamination in Zambia
… to study slaughterhouse hygiene and bacterial contamination of carcasses. Swabs were collected from carcass surfaces and also from the following environmental surfaces, which were likely to come in contact with carcasses: knives, cutting saws, tables, walls, floors, aprons and …
-
Application of hazard analysis critical control point (HACCP) concept to study cattle slaughterhouse hygiene and Carcass contamination in Zambia
… to study slaughterhouse hygiene and bacterial contamination of carcasses. Swabs were collected from carcass surfaces and also from the following environmental surfaces, which were likely to come in contact with carcasses: knives, cutting saws, tables, walls, floors, aprons and …
-
Isolation, Enumeration and Identification of Enterococci
… coli, serves as an indicator of fecal contamination. In recent years there has been a steady increase of interest in the enterococci, members of the genus Streptococci, as indicators. |It is still debatable whether the coliforms or the enterococci are better indicators of contamination …
-
Cross-sectional epidemiological study on water and sanitation practices in the northern region of Ghana
… water samples were collected and analyzed for bacterial contamination with hydrogen sulfide (H2S) and membrane filtration testing techniques. This data is analyzed as an epidemiological cross-sectional study and basic risk assessment. In general, the surveys were well received within the …
-
The Effect of Electroshock on the Passage of Bacteria From a Contaminated Transducer Past a Protective Membrane into a Disposable Chamber Dome
… by manufacturers of the domes that routine decontamination of transducer heads was not necessary. Since the development of these disposable chamber domes infection outbreaks have continued to occur. Epidemiological investigation has implicated contact transmission of bacteria due to poor …
-
Methods of bacteria recognition relying on simple hardware techniques.
Bacterial contamination puts the public at risk and is costly for the food-processing industry. Traditional (biochemical) methods of bacteria recognition require complicated sample preparation for reliable results. Automated technologies exist for the identification of bacterial cells in …
-
Health and water quality monitoring of Pure Home Water's ceramic filter dissemination in the northern region of Ghana
… These samples were tested for turbidity and for bacterial contamination using membrane filtration, 3MTM PetrifilmTM, and hydrogen sulfide techniques. The surveys determined that PHW is reaching poor communities: 0% of traditional filter users have access to improved water or sanitation, and …
-
Coliforms, Salmonella, and Shigella in the James River Basin
The enteric bacterial contamination in the James River Basin was assessed using routine monitoring methods and pathogen detection techniques. Samples were collected from 10 different locations, once per month for 6 months, and analyzed for fecal coliforms, E. coli and total phosphorous. The …
-
Effect of concentration of glutaraldehyde and glyoxal on binding lysozyme to zein based films to control foodborne pathogens in tomatoes
… as an active biodegradable packaging to reduce bacterial contamination on the surface of fresh organic produce, specifically tomatoes. The study uses glutaraldehyde and glyoxal as binding agents to immobilize the enzyme on the packaging film. The effect of concentration of glutaraldehyde and …
-
Rooftop Collected Rainwater Quality and Vegetation Impact: Field Work in Lagos, Nigeria, and the Related Experimental and Numerical Studies
… QMRA to evaluate the health risk associated with bacterial contamination of roof-harvested rainwater (RHRW). To achieve this, the impact of some improvement techniques (such as first flush, sedimentation, and Household Treatment Techniques (HHTTs)) on the quality of rainwater was investigated. The …
Page 1 of 3