A5052156024- Viral gastroenteritis research and epidemiology
- Bacteriophages and microbial interactions
- Legionella and Acanthamoeba research
- Microbial Metabolites in Food Biotechnology
- Salmonella and Campylobacter epidemiology
- Listeria monocytogenes in Food Safety
- Healthcare and Environmental Waste Management
- Fecal contamination and water quality
- Food composition and properties
- Microbial Community Ecology and Physiology
- Child Nutrition and Water Access
- Hydrocarbon exploration and reservoir analysis
- Vibrio bacteria research studies
- Petroleum Processing and Analysis
- Respiratory viral infections research
- Medical and Biological Ozone Research
- Gut microbiota and health
- Building materials and conservation
- Probiotics and Fermented Foods
- Enhanced Oil Recovery Techniques
- Cerebrospinal fluid and hydrocephalus
- COVID-19 diagnosis using AI
University of Alberta
2007-2023
University College of the North
2023
This study aimed to determine the survival of Escherichia coli strains during steam and lactic acid decontamination interventions currently used by beef-processing industry, their heat resistance.Strains were grouped into cocktails five each differing in RAPD patterns for subsequent identification. Steam treatments on meat reduced cell counts E. strain 90-99%. The 20 slaughter plant isolates exhibited only minor variation resistance but more resistant than reference (three strains) or from...
The reported persistence of SARS-CoV-2 virions in aquatic environments highlights the need to better understand potential mechanisms that may prolong its dissemination. We evaluated possibility amoebae might serve as transport hosts by studying interaction enveloped bacteriophage Phi6, a surrogated along with one most common engineered environments, Vermamoeba vermiformis. Using microscopy, imaging flow cytometry and cell culture, our results imply surrogate triggers amoebic mitochondria...
Rising temperatures are increasing environmental habitats for thermotolerant pathogens, such as the so-called 'brain-eating amoeba', Naegleria fowleri. To best of our knowledge, however, species have not been reported in water sources Canada. We surveyed popular recreational lakes Alberta, Canada during summer bathing period to determine presence or absence species. While N. fowleri was isolated this study, we identified other species, including pagei, gruberi, jejuensis and fultoni using...
Flow cytomtery (FCM) has become a standard approach to enumerate viruses in water research. However, the nature of fluorescent signal flow cytometric analysis samples and mechanism its formation, have not been addressed for bacteriophages expected wastewaters. Here we assess behaviour DNA-staining dyes aqueous solutions, as well sensitivity accuracy FCM enumeration DNA-stained model λ, P1, T4. We demonstrate that systems form self-stabilized (pseudolyophilic) emulsion auto-fluorescing...
The use of flow cytometry (FCM) with environmental or clinical samples to enumerate viruses (flow virometry) has become popular the development sensitive fluorescent dyes that bind nucleic acids, yet there is no quantitative evidence sensitivity and accuracy for virometry as applied aquatic environments. Rigorous background controls are missing. Here we address gap in our knowledge how interferes interpreting results. To remove interference, discovered it was essential separate from their...
Abstract In recent decades, natural swimming pools (NSPs) have gained popularity in Europe, especially Germany and Austria. NSPs differ from that they utilize biological treatment processes based on wetland with no disinfection residual. However, data are missing the specific log-reduction performance of to address enteric virus, bacteria, parasitic protozoa removal considered necessary meet North American risk-based benchmark (<35 illnesses per 1,000 events) set by USEPA for...