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 100 for “"disinfectants"”.
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The use-dilution method of testing disinfectants
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Bacteriology, 1945
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Differential Response of Various Spore Species to Sporicidal Disinfectants
… Since these attacks, interest in sporicidal disinfectants has increased greatly. Many chemical sporicidal disinfectants are available commercially, but the exposure time required to sterilize can be relatively long. In addition, some spores are simply injured or inhibited by chemical …
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Effects of Quaternary Ammonium Disinfectants on Mouse Reproductive Function
… ammonium compounds (QACs) are antimicrobial disinfectants commonly used in commercial and household settings. While these compounds have been used for decades, reproductive toxicity has not been thoroughly evaluated. Extensive use of QACs results in ubiquitous human exposure to potentially …
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Role of disinfectants and pipe materials on bacterial adhesion onto biofilms
… can protect attached bacterial cells from disinfectants raises rudimentary questions regarding interactions of bacterial cells with biofilm surfaces. Consequently, the main objectives of this study were to: 1) investigate the mechanisms that govern E. coli S17, E. coli 14f and Legionella …
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Interactions Between Copper and Chlorine Disinfectants: Chlorine Decay, Chloramine Decay and Copper Pitting
Interactions between copper and chlorine disinfectants were examined from the perspective of disinfectant decay and copper pitting corrosion. Sparingly soluble cupric hydroxide catalyzed the rapid decay of free chlorine, which in turn, led to production of less soluble and more crystalline phases …
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A study of effects of various disinfectants on Proteus morgani (atypical) and Proteus mirabilis
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Bacteriology, 1947
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A comparative study of the germicidal properties of a selected group of skin disinfectants
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Bacteriology, 1942
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Clostridium difficile: expression of virulence factors, resistance to disinfectants and interactions with human cells
… study aimed to identify suitable laboratory disinfectants against C. difficile. The efficacy of four commonly-used disinfectants and one decontaminant was tested; one disinfectant was a chlorine-based agent commonly used in hospitals. In conventional susceptibility tests, all five agents were …
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Effects of Disinfectants and Anti-browning Agents on the Shelf-Life of Cauliflower Florets
<p>Currently, when cauliflower florets are packed in a MA package, they can last 8 to 10 days at 7.2ºC. The goal of this research was to develop a prepackaging methodology that could extend shelf-life of cauliflower florets to at least 14 days at 7.2ºC. Various methodologies were used to treat the …
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Disinfectants and Plumbing Materials: Effects on the Sensory and Chemical Characteristics of Drinking Water
… Chemical analyses were performed to determine disinfectants, total organic carbon (TOC), pH and specific organic contaminants. The first part of this study investigated PEX pipes manufactured by the silane (PEX-b) and peroxide (PEX-a) cross-linking technology, using the utility quick test (UQT) …
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Development of a New Class of Viral Disinfectants: Enzymatic Inactivation of Sa-11 Rotavirus
… are inactivated only by corrosive and toxic disinfectants. In this study, the effects of bacterial proteases as a new type of disinfectants on simian rotavirus (SA-11) were analyzed. SA-11 rotavirus replicates in cells causing cytopathic effect (CPE) and is similar in protein composition to …
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Interaction of Detergents and Disinfectants upon Surface Adhered Populations of Escherichia coli and Listeria monocytogenes
… at Winthrop University Hospital, New York. The disinfectants chosen for assessment were a quaternary ammonium compound (BAC - Benzyl alkonium Chloride) and a chlorine releasing agent (NaDCC - Sodium Dichloroisocyanurate). The investigation showed that there were no specific cleaning and …
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Efficacy of disinfectants against multidrug-resistant Enterobacter cloacae strains isolated from humans in a clinical setting
Einführung: Enterobacter (E.) cloacae subsp. cloacae sind wichtige Humanpathogene, insbesondere bei stationär untergebrachten Patienten. Sie sind in der Lage, Medizinprodukte zu kontaminieren, und es wurde über nosokomiale Krankheitsausbrüche in Verbindung mit der Kolonisation von chirurgischen …
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Long-Term Lab Scale Studies of Simulated Reclaimed Water Distribution: Effects of Disinfectants, Biofiltration, Temperature and Rig Design
As demand for alternative water sources intensifies, increased use of reclaimed water is important to help achieve water sustainability. In addition to treatment, the manner in which reclaimed water is distributed is a key consideration as it governs the water quality at the point of use. In this …
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A Comparative Study of Synergistic Effects in Sequential Inactivation of Cryptosporidium Parvum Oocysts and Bacillus Subtilis Spores With Chemical Disinfectants
… characterizing the interactions among chemical disinfectants and oocyst components involved in parasite inactivation. Furthermore, no definitive mechanistic explanation has been provided for the occurrence/absence of synergistic effects observed in the inactivation of this parasite with …
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Comparative study of the kinetics and mechanisms of adenovirus and bacteriophage PR772 inactivation by disinfectants used for global safe drinking water
… water because of its resistance to common disinfectants such as low-pressure ultraviolet light and monochloramine. The reason HAdV is so resistant to monochloramine yet so susceptible to free chlorine remains unknown. The main goal of this research was to gain a better understanding of the …
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Towards Optimization of Residual Disinfectant Application for Mutual Control of Opportunistic Pathogens and Antibiotic Resistance in In-Building Plumbing
… OPPPs, and the relative resistance of OPPPs to disinfectants, and aging populations that are susceptible to infection. Concurrently, drinking water is increasingly being scrutinized as a potential environment that is conducive to horizontal gene transfer of antibiotic resistance genes (ARGs), …
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