Jacob Kvasnicka

Jacob Kvasnicka
University of Toronto | U of T

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11
Publications
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87
Citations

Publications

Publications (11)
Article
Full-text available
Evidence suggests that human exposure to airborne particles and associated contaminants, including respiratory pathogens, can persist beyond a single microenvironment. By accumulating such contaminants from air, clothing may function as a transport vector and source of "secondary exposure". To investigate this function, a novel microenvironmental e...
Article
Indoor environments have elevated concentrations of numerous semivolatile organic compounds (SVOCs). Textiles provide a large surface area for accumulating SVOCs, which can be transported to outdoors through washing. A multimedia model was developed to estimate advective transport rates (fluxes) of 14 SVOCs from indoors to outdoors by textile washi...
Article
Empirical evidence suggests that human occupants indoors, through their presence and activities, can influence the dynamics of semi-volatile organic compounds (SVOCs). To better understand these dynamics, a transient multimedia human exposure model was developed [Activity-Based Indoor Chemical Assessment Model (ABICAM)]. This model parameterizes ma...
Article
Exposure to phthalates is pervasive and is of concern due to associations with adverse health effects. Exposures and exposure pathways of six phthalates were investigated for 51 women aged 18-44 years in Ontario, Canada, based on measured phthalate concentrations in hand wipes and indoor media in their residences. All six phthalates had detection f...
Article
Full-text available
Background Stark racial disparities in disease incidence among American women remain a persistent public health challenge. These disparities likely result from complex interactions between genetic, social, lifestyle, and environmental risk factors. The influence of environmental risk factors, such as chemical exposure, however, may be substantial a...
Article
Full-text available
In the United States, billions of dollars are spent on environmental dredging projects to remediate contaminated sediments [United States Environmental Protection Agency (U.S. EPA) 2016, 2017; Haggard 2017]. A primary goal of such efforts is to reduce risks to human health and aquatic organisms and associated food webs that depend on these waterbod...
Article
Samples of gas and fine particulate matter (PM2.5) were collected in Dalian, China, a typical coastal city, to determine the concentrations, seasonal variations, influential factors, sources, and gas-PM2.5 partitioning of polybrominated diphenyl ethers (PBDEs), novel brominated flame retardants (NBFRs), and dechlorane plus (DPs) in the ambient air....
Article
Full-text available
Background: Billions of dollars are spent on environmental dredging (ED) to remediate contaminated sediments, with one goal being reduced human health risks. However, ED may increase health risks in unanticipated ways, thus potentially reducing net benefits. Objectives: To assess the ways that ED may increase health risks in unanticipated ways,...
Preprint
Full-text available
Background Stark racial disparities in disease incidence among American women remains a persistent public health challenge. These disparities likely result from complex interactions between genetic, social, lifestyle, and environmental risk factors. The influence of environmental risk factors, such as chemical exposure, however, may be substantial...
Article
Full-text available
Background: Chemical biomarker concentrations are driven by complex interactions between chemical use patterns, exposure pathways, and toxicokinetic parameters such as biological half-lives. Criteria to differentiate legacy from current exposures are helpful for interpreting variation in age-based and time trends of chemical exposure and identifyi...

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