Yvonne Ma

ORCID: 0000-0001-8075-6104
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About
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Research Areas
  • Viral gastroenteritis research and epidemiology
  • Escherichia coli research studies
  • Antibiotic Resistance in Bacteria
  • Infection Control in Healthcare
  • Neuroscience and Neuropharmacology Research
  • Child Nutrition and Water Access
  • Ion channel regulation and function
  • Infection Control and Ventilation
  • Nitric Oxide and Endothelin Effects
  • Diet and metabolism studies
  • Nutritional Studies and Diet
  • Nerve injury and regeneration
  • Bacteriophages and microbial interactions
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Hemoglobin structure and function
  • Pain Mechanisms and Treatments

University of British Columbia
1973-2023

The World Health Organization recommends untargeted iron supplementation for women of reproductive age (WRA) in countries where anemia prevalence is greater than 40%, such as Cambodia. Iron supplements, however, often have poor bioavailability, so the majority remains unabsorbed colon. gut houses many iron-dependent bacterial enteropathogens; thus, providing to individuals may be more harmful helpful. We examined effects two oral supplements with differing bioavailability on microbiomes...

10.1128/spectrum.05273-22 article EN cc-by Microbiology Spectrum 2023-05-18

The virucidal activities of 11 prepared disinfectant solutions (active ingredients household sanitizers) and 10 sanitizers against bacteriophage MS2 on plastic stainless steel surfaces were studied. Among the sanitizers, 70-90% ethanol ethanol-based disinfectants resulted in 1-2.5 log PFU/mL reductions both surfaces. 70% isopropanol isopropanol-based formula reduced by 0.7-1.5 Other disinfectants, containing 0.1% benzalkonium chloride (BAC), 0.5% hydrogen peroxide, or 4% acetic acid, showed...

10.1016/j.crfs.2022.01.004 article EN cc-by-nc-nd Current Research in Food Science 2022-01-01

Antibiotic resistance (AR) phenotypes and acquired determinants (ARDs) detected by in silico analysis of genome sequences were examined 55 Shiga toxin-producing Escherichia coli (STEC) isolates representing diverse serotypes recovered from surfaces waters sediments a mixed use urban/agricultural landscape British Columbia, Canada. The displayed decreased susceptibility to florfenicol (65.5%), chloramphenicol (7.3%), tetracycline (52.7%), ampicillin (49.1%), streptomycin (34.5%), kanamycin...

10.3390/antibiotics10030237 article EN cc-by Antibiotics 2021-02-26

10.1016/0301-0082(73)90002-6 article EN Progress in Neurobiology 1973-01-01
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