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 27 for “"Inactivation kinetics"”.
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Inactivation kinetics of coxsacieviurs B5 with free chlorine
The World Health Organization’s “Guidelines for Drinking-water Quality” has identified safe drinking water as essential to health and a human right. Disinfection by chlorination is commonly used for drinking water purification in the United States, but the chlorine dose required to inactivate …
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Inactivation kinetics and mechanisms of rotavirus: the roles of sunlight, temperature, and sensitizers
U of I Only Restriction Lifted for Item 50581 on 2016-09-22T20:59:25Z.
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The Inactivation Kinetics of Cryptosporidium Parvum in Sequential Disinfection Treatment Strategies Using Ozone, Hypochlorous Acid and Monochloramine
… pretreatment resulted in rates of secondary inactivation enhancement that appear to be limited by a mass transfer process.
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Role of temperature and Suwannee river natural organic matter on inactivation kinetics of rotavirus and bacteriophage MS2 by solar irradiation
Made available in DSpace on 2011-05-25T14:39:48Z (GMT). No. of bitstreams: 3 Romero_Ofelia.pdf: 6501565 bytes, checksum: fe0aa589df9e541a23580f2363d03961 (MD5) license.txt: 4062 bytes, checksum: 829b47b3a3520d37a121ee82aa85744f (MD5) Romero_Ofelia.doc: 1506304 bytes, checksum: …
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Impacts of low-water activity food type on inactivation kinetics and models of foodborne pathogens treated with low-temperature, vacuum-assisted steam processing
… pathogen contamination from LWAF, modeling the inactivation of such treatments, and studying the thermal resistances of two E. coli strains in low-water activity solutions. Low-temperature, vacuum-assisted steam (vacuum-steam) was evaluated as a potential intervention and preventive control to …
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A comparison among lipoxygenase, trypsin inhibitor, and urease enzyme inactivation during blanching of dehulled and whole soybeans
This study investigated the thermal inactivation by immersion cooking of antinutritional factors in soybeans while minimizing protein insolubilization. The comparison of inactivation kinetics of lipoxygenase (LO), trypsin inhibitors (TI), and urease (U) enzyme was used to determine the limiting …
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Inactivation of adenovirus serotype 41 with monochloramine
… enteric HAdV on common cell culture methods, the inactivation kinetics of enteric HAdV with monochloramine has not been fully characterized. The present study focuses on investigating the inactivation of enteric HAdV serotype 41, known to cause gastrointestinal disease, with monochloramine. …
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Kinetics and mechanisms of bacteriophage PR772 inactivation by monochloramine
… research characterized the monochloramine inactivation kinetics of both viruses, and found that the inactivation kinetics at high pH and high temperature was characterized by a phase of slower rate followed by faster rate, which was different from the more common fast-slow or tailing …
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Inactivation mechanisms of human norovirus surrogate Tulane virus by peracetic acid at different pHs
… requires studies to fully explore the inactivation efficacy and mechanisms of that new disinfectant. In this study, we determined the inactivation kinetics and mechanisms of a potential disinfectant named peracetic acid (PAA) on Tulane virus (TV), a surrogate for human norovirus, at pH …
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Effects of combined high hydrostatic pressure and dense phase carbon dioxide treatments on inactivation of enzymes, microorganisms and sensory properties of different products
… Dense- Phase Carbon Dioxide (DPCD) treatment on inactivation of fruit enzymes: peroxidase (POD), polyphenoloxidase (PPO) and pectinmethylesterase (PME) of feijoa, inactivation of microorganisms in their growth media and sensory properties of treated feijoa products. The changes in pure PPO …
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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
… of the mechanisms of HAdV serotype 2 (HAdV-2) inactivation by drinking water disinfectants. This research achieved the following objectives: (1) Characterized bacteriophage PR772 inactivation kinetics over a range of environmental conditions for a variety of drinking water disinfectants, with …
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Mechanisms for Inactivation in Piezo Ion Channels
… are necessary for specific aspects of channel inactivation. First, I engineered a method by which magnetic nanoparticles were used to mechanically pull on individual domains of the Piezo channel to screen for mechanically sensitive structures. This experiment revealed a particularly striking …
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A Comparative Study of Synergistic Effects in Sequential Inactivation of Cryptosporidium Parvum Oocysts and Bacillus Subtilis Spores With 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 sequential combinations of chemical disinfectants. The objective …
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Bacteriophage PRD1 as a potential surrogate for adenovirus in drinking water disinfection with free chlorine, low pressure ultraviolet light, and sunlight
… virulence and ability to have high resistance to inactivation, but also because of the limited knowledge available. Human pathogenic viruses are not easy to study in the laboratory or in the field because of strict biosafety regulations and the use of expensive cell culture methods that are time …
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Investigating chlorite dismutase biocatalyst reuse using columns
… of attachment on the biocatalyst’s activity and inactivation. Activity results showed no impact of tag addition, with a tagged biocatalyst Vmax of 34,600 ± 2,900 μmol chlorite min-1 μmol heme-1 and a Km of 106.6 ± 70.6 μM. The attached biocatalyst was able to reach the same maximal activity as …
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Investigation of the mechanisms of ozone-mediated viral inactivation
… viral antigen assays were used to determine inactivation kinetics. After ozonation, HSV-1 and VSV lost up to 6 log10 infectious particles in 15 min, while VAC and influenza A lost up to 5 log10 in 40 min and 30 min, respectively. In comparison, the non-enveloped Ad2 lost up to 5 log10 in 60 …
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A systematic study of the effect of ultrasound on food enzymes and bioactives in model and real food systems (strawberry puree)
… about the effect of high frequency US on inactivation of food enzymes responsible for food quality degradation, including peroxidase (POD) and polyphenoloxidase (PPO). Thus, the present thesis examines the effect of high frequency US on the activity of commercial horseradish peroxidase …
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Regulation of mammalian photoreceptor phosphodiesterase (PDE) by its noncatalytic GAF domains and its two small subunits, gamma and delta
… differently to controlling the activation and inactivation kinetics of PDE6 during visual transduction in rod photoreceptors.</p><p>We also studied interactions between Pgamma and the mammalian Palphabeta catalytic dimer. It was found that Pgamma binds to two distinct sites on the catalytic …
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Differential modulation of T-type voltage gated calcium channels by G-protein coupled receptors.
… was associated with a concomitant increase in inactivation kinetics. Pharmacological and genetic experiments indicated that the M1 receptor-mediated inhibition of Cav3.3 occurs specifically through a Galpha<q/11> signaling pathway that interacts with two distinct regions of the Cav3.3 channel. …
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Fate of Antibiotic Resistance Genes During Anaerobic Digestion of Wastewater Solids
… improved understanding of ARG fate and pathogen inactivation kinetics and mechanisms in sludge stabilization technologies. This research has investigated the fate of two pathogens, methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli, and various ARGs under pasteurization, …
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