Publications by authors named "S Brar"
This study presents an innovative life cycle assessment (LCA)-centric approach for optimizing the mix design of alkali-activated materials (AAMs) as sustainable alternatives to ordinary portland cement (OPC). The AAMs are developed using electric arc furnace slag (EAFS) and fly ash as precursors. The environmental performance is evaluated using the ReCiPe midpoint methodology, considering both mass and economic allocation methods.
View Article and Find Full Text PDFLandfills serve as major repositories for products containing per- and polyfluoroalkyl substances (PFASs). These compounds have been documented in the resulting leachate, posing a significant threat to both surface water and groundwater quality. Long-chain perfluoro carboxylic acids (LC-PFCAs), which act as precursors to shorter-chain PFCAs, are particularly persistent in the environment.
View Article and Find Full Text PDFThe goal of this study was to assess patients' prior exposure and current level of knowledge of polygenic risk scores (PRSs). We also explored reactions to receiving a high-risk or low-risk score, and gauged the overall attitudes and demand patients have with regards to PRSs. We developed an online investigator-designed survey based on existing validated tools in genetic testing.
View Article and Find Full Text PDFArticle Synopsis
- - The presence of trace antibiotic residues in the environment can lead to antibiotic resistance and the formation of harmful antibiotic-metal complexes (AMCs), which raise concerns for ecosystems.
- - This study focuses on the behavior of the carbapenem antibiotic IMP in environmental waters, examining its interactions with humic acids and metals, and finding that light and temperature significantly degrade the drug.
- - Results showed that higher concentrations of humic acid accelerated the degradation of IMP through photochemical reactions, particularly involving reactive oxygen species generated by copper, highlighting the importance of understanding these interactions for assessing ecological risks.
Background: In Canada, the health care system has been estimated to generate 33 million metric tons of greenhouse gas emissions annually. Health care systems, specifically operating rooms (ORs), are significant contributors to greenhouse gas emissions, using 3 to 6 times more energy than the hospital's average unit.
Objective: This quality improvement study aimed to investigate the knowledge, attitudes, and perceptions of staff members and patients on sustainability in the OR, as well as identify opportunities for initiatives and barriers to implementation.