UV LED wastewater disinfection: The future is upon us

Autor: Sean A MacIsaac, Bailey Reid, Carolina Ontiveros, Karl G Linden, Amina K Stoddart, Graham A Gagnon

Publikováno v: Water Research X, Vol 24, Iss , Pp 100236- (2024)

The world's first full-scale, 280 nm UV LED reactor for wastewater disinfection was tested at flows of 545 and 817 m3 day−1. The system achieved a > 3 average log reduction of total coliform at 545 m3 day−1 and the 817 m3 day−1 flow rate achiev

Externí odkaz: https://doaj.org/article/09b62036a3084cfaad9379b0e27569a0

Improved disinfection performance for 280 nm LEDs over 254 nm low-pressure UV lamps in community wastewater

Autor: Sean A. MacIsaac, Kyle D. Rauch, Taylor Prest, Richard M. Simons, Graham A. Gagnon, Amina K. Stoddart

Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)

Abstract Ultraviolet (UV) disinfection has been incorporated into both drinking water and wastewater treatment processes for several decades; however, it comes with negative environmental consequences such as high energy demands and the use of mercur

Externí odkaz: https://doaj.org/article/2fb7b0b5de554569bd80df918ffed054

Assessing the impact of multiple ultraviolet disinfection cycles on N95 filtering facepiece respirator integrity

Autor: C. Carolina Ontiveros, Crystal L. Sweeney, Christopher Smith, Sean MacIsaac, Jessica L. Bennett, Sebastian Munoz, Amina K. Stoddart, Graham A. Gagnon

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)

Abstract During the COVID-19 pandemic, N95 filtering facepiece respirators (FFRs) were recommended to protect healthcare workers when providing care to infected patients. Despite their single-use disposable nature, the need to disinfect and repurpose

Externí odkaz: https://doaj.org/article/6906dc05484345578d1648135bb8cb9e

Development of a rapid pre-concentration protocol and a magnetic beads-based RNA extraction method for SARS-CoV-2 detection in raw municipal wastewater

Autor: Amina K. Stoddart, Rob Jamieson, Graham A. Gagnon, Crystal L. Sweeney, Benjamin F. Trueman, Yannan Huang, A. L. Parra-Guardado, Jennie L. Rand, E. K. Hayes

Publikováno v: Environmental Science: Water Research & Technology. 8:47-61

In this work, a rapid and simplified method for extracting SARS-CoV-2 RNA from whole wastewater using a magnetic beads-based protocol is presented. The described method involves the centrifugation of a 50-mL aliquot of raw wastewater influent for 5 m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95d3cd02322924bd90c4690be8e0572d
https://doi.org/10.1039/d1ew00539a

Detection of SARS-CoV-2 in wastewater in Halifax, Nova Scotia, Canada, using four RT-qPCR assays

Autor: E. K. Hayes, Rob Jamieson, Crystal L. Sweeney, Ana Parra, Graham A. Gagnon, Lindsay Johnston, Yannan Huang, Lisbeth Truelstrup Hansen, Amina K. Stoddart

Publikováno v: FACETS, Vol 6, Iss 1, Pp 959-965 (2021)
Huang, Y, Johnston, L, Parra, A, Sweeney, C, Hayes, E, Hansen, L T, Gagnon, G, Stoddart, A & Jamieson, R 2021, ' Detection of SARS-CoV-2 in wastewater in Halifax, Nova Scotia, Canada, using four RT-qPCR assays ', Facets, vol. 6, pp. 959-965 . https://doi.org/10.1139/facets-2021-0026

Wastewater-based surveillance methods have been implemented in several countries as a tool for monitoring SARS-CoV-2 at a community scale. A variety of methods have been used for concentrating, extracting, and detecting the virus, with no clear conse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4886ad66b33bed7d7e479977d710db9
https://doi.org/10.1139/facets-2021-0026