Heterotrophic plate counts (HPC) in drinking water distribution systems: A comprehensive review and meta-analysis

A Carabin, A Cassivi, C Dorea… - Water Quality …, 2024 - iwaponline.com
Heterotrophic plate count (HPC) is widely assessed in drinking water distribution systems.
However, methodological standards and guidelines on the use of HPC are not clearly …

Conceptual model to inform Legionella–amoebae control, including the roles of extracellular vesicles in engineered water system infections

NJ Ashbolt - Frontiers in cellular and infection microbiology, 2023 - frontiersin.org
Extracellular vesicles (EVs or exosomes) are well described for bacterial pathogens
associated with our gastrointestinal system, and more recently as a novel mechanism for …

Legionella pneumophila occurrence in reduced-occupancy buildings in 11 cities during the COVID-19 pandemic

KS Dowdell, HG Healy, S Joshi… - … : Water Research & …, 2023 - pubs.rsc.org
In spring 2020, numerous buildings were closed or operated at reduced occupancies to
slow the spread of COVID-19. An unintended consequence of these social distancing …

Spatiotemporal distribution of opportunistic pathogens and microbial community in centralized rural drinking water: One year survey in China

Q Zhou, J Huang, K Guo, Y Lou, H Wang, R Zhou… - Environmental …, 2023 - Elsevier
Centralized water supply in rural areas, supported by small waterworks (small-central mode)
and by municipal water treatment plants (urban-extension mode), is an important guarantee …

Multiple cryosauna sessions for post-exercise recovery of delayed onset muscle soreness (DOMS): a randomized control trial

B Wolska, Ł Domagała, A Kisilewicz… - Frontiers in …, 2023 - frontiersin.org
The main goal was to investigate the effectiveness of cryosauna in preventing the
development of delayed onset muscle soreness and to analyze the regenerative changes …

Assessment of monitoring approaches to control Legionella pneumophila within a complex cooling tower system

H Trigui, S Matthews, E Bedard, D Charron… - Science of The Total …, 2024 - Elsevier
Precise and rapid methods are needed to improve monitoring approaches of L.
pneumophila (Lp) in cooling towers (CTs) to allow timely operational adjustments and …

On-site filtration of large sample volumes improves the detection of opportunistic pathogens in drinking water distribution systems

RM Hozalski, X Zhao, T Kim… - Applied and …, 2024 - Am Soc Microbiol
In this study, we compared conventional vacuum filtration of small volumes through disc
membranes (effective sample volumes for potable water: 0.3–1.0 L) with filtration of high …

Can free chlorine residuals entering building plumbing systems really be maintained to prevent microbial growth?

M Grimard-Conea, E Bédard, M Prévost - Science of The Total Environment, 2024 - Elsevier
Secondary disinfection aims to prevent microbial regrowth during distribution by maintaining
disinfectant residuals in water systems. However, multi-factorial interactions contribute to …

Verification and application of qPCR and viability-qPCR for Legionella monitoring in evaporative cooling systems complementing the conventional culture method

J Redwitz, P Streich, M Zamfir… - Science of The Total …, 2024 - Elsevier
To date, in many countries the only legally valid method for evaporative cooling system
(ECS) monitoring is the culture method. However, a duration of up to 14 days and a risk of …

Residual disinfectant effectively suppresses Legionella species in drinking water distribution systems supplied by surface water in Minnesota, USA

T Kim, X Zhao, RM Hozalski, TM LaPara - Science of The Total …, 2024 - Elsevier
Seven public water systems in Minnesota, USA were analyzed from one to five times over a
two-year period to assess temporal changes in the concentrations of total bacteria …