Investigation of Microbiological Regrowth after Ultraviolet Disinfection

DT Ma - 2020 - rave.ohiolink.edu
Ultraviolet (UV) disinfection provides chemical free inactivation of a wide range of
microorganisms. One primary mechanism of UV inactivation of bacteria is through DNA …

Characterizing and Modeling the Impact Photorepair Conditions Have on Parameters Governing the Regrowth of Escherichia coli After UVC Irradiation, and …

AJ Martinez Ballen - 2023 - repository.lsu.edu
Ultraviolet disinfection has been used to treat water and wastewater for decades. Previous
studies highlight the significance of disinfection conditions and attempt to model bacterial …

[HTML][HTML] Fluence-based QMRA model for bacterial photorepair and regrowth in drinking water after decentralized UV disinfection

D Ma, MH Weir, NM Hull - Water Research, 2023 - Elsevier
Ultraviolet disinfection is a promising solution for decentralized drinking water systems such
as communal water taps. A potential health risk is enzymatic photorepair of pathogens after …

Evaluation of parameters governing dark and photo-repair in UVC-irradiated Escherichia coli

M Maghsoodi, GL Lowry, IM Smith… - … Science: Water Research …, 2022 - pubs.rsc.org
After decades of UV disinfection practice and numerous studies on the potential for
pathogens to undergo dark or photo-repair after UV exposure, recent advances in UV light …

[PDF][PDF] Bacterial survival after ultraviolet light disinfection: resistance, regrowth and repair

AA Mofidi, PA Rochelle, CI Chou, HM Mehta… - American Water Works …, 2002 - academia.edu
Bench-scale experiments were conducted with low-and medium-pressure ultraviolet (UV)
lamps to inactivate pathogenic and nonpathogenic strains of Escherichia coli and mixtures …

Standardizing photoreactivation: Comparison of DNA photorepair rate in Escherichia coli using four different fluorescent lamps

Z Bohrerova, KG Linden - Water Research, 2007 - Elsevier
The disinfection of pathogens in water via ultraviolet light exposure is a growing treatment
technology, although the potential repair of UV damage following disinfection is a continued …

[HTML][HTML] Moving from the traditional paradigm of pathogen inactivation to controlling antibiotic resistance in water-Role of ultraviolet irradiation

M Umar, F Roddick, L Fan - Science of the Total Environment, 2019 - Elsevier
Ultraviolet (UV) irradiation has proven an effective tool for inactivating microorganisms in
water. There is, however, a need to look at disinfection from a different perspective because …

Effect of UV-led fluence rate and reflection on inactivation of microorganisms

A Hajimalayeri - 2016 - open.library.ubc.ca
Ultraviolet light emitting diodes (UV-LEDs) are emerging as viable alternative to traditional
UV lamps for water disinfection. UV-LEDs possess many advantages, some of which include …

Investigation of Factors that Limit Efficacy of Ultraviolet Disinfection in Water and Wastewater Treatment

K Kollu - 2014 - repository.library.carleton.ca
This research has been undertaken to contribute to our understanding of factors that limit
and hinder ultraviolet (UV) disinfection efficacy, specifically the presence of flocs, and self …

Comparison of UV-LED and low pressure UV for water disinfection: Photoreactivation and dark repair of Escherichia coli

GQ Li, WL Wang, ZY Huo, Y Lu, HY Hu - Water Research, 2017 - Elsevier
Studies on ultraviolet light-emitting diode (UV-LED) water disinfection have shown
advantages, such as safety, flexible design, and lower starting voltages. However …