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Study Of Legionella Pneumophila Treatment With Copper In Drinking Water By Single Cell-Icp-Ms, Lei Xu, Austin Sigler, Anna Chernatynskaya, Lindsey Rasmussen, Jingrang Lu, Endalkachew Sahle-Demessie, David J. Westenberg, Hu Yang, Honglan Shi
Study Of Legionella Pneumophila Treatment With Copper In Drinking Water By Single Cell-Icp-Ms, Lei Xu, Austin Sigler, Anna Chernatynskaya, Lindsey Rasmussen, Jingrang Lu, Endalkachew Sahle-Demessie, David J. Westenberg, Hu Yang, Honglan Shi
Biological Sciences Faculty Research & Creative Works
Legionella pneumophila is a persistent opportunistic pathogen that poses a significant threat to domestic water systems. Previous studies suggest that copper (Cu) is an effective antimicrobial in water systems. A rapid and sensitive quantification method is desired to optimize the conditions of L. pneumophila treatment by Cu and to better understand the interaction mechanisms between Cu and cells. In this study, we developed a highly sensitive single cell (SC)-ICP-MS method to monitor L. pneumophila cell concentration and track their uptake of Cu. The SC-ICP-MS method showed excellent sensitivity (with a cell concentration detection limit of 1000 cells/mL), accuracy (good agreement …