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Inactivation credit of UV radiation for viruses, bacteria and protozoan (oo)cysts in water: a review.
UV disinfection technology is of growing interest in the water industry since it was demonstrated that UV radiation is very effective against (oo)cysts of Cryptosporidium and Giardia, two pathogenic… Expand
Sedimentation of Free and AttachedCryptosporidium Oocysts and Giardia Cysts in Water
- G. Medema, F. Schets, P. Teunis, A. Havelaar
- Biology, Medicine
- Applied and Environmental Microbiology
- 1 November 1998
ABSTRACT Experimental analysis of the sedimentation velocity ofCryptosporidium parvum oocysts and Giardia lamblia cysts was compared with mathematical description of their sedimentation velocities by… Expand
Safe Drinking Water: An ongoing challenge
Pyrosequencing reveals bacterial communities in unchlorinated drinking water distribution system: an integral study of bulk water, suspended solids, loose deposits, and pipe wall biofilm.
- G. Liu, G. Bakker, +5 authors J. V. van Dijk
- Medicine, Environmental Science
- Environmental science & technology
- 2 May 2014
The current understanding of drinking water distribution system (DWDS) microbiology is limited to pipe wall biofilm and bulk water; the contributions of particle-associated bacteria (from suspended… Expand
Survival of Cryptosporidium parvum, Escherichia coli, faecal enterococci and Clostridium perfringens in river water: influence of temperature and autochthonous microorganisms
Oocysts of Cryptosporidium parvum can survive for several months in surface water, one of the main factors determining their success in environmental transmission and thus their health hazard via… Expand
Modelling the sewage discharge and dispersion of Cryptosporidium and Giardia in surface water.
Modelling the discharge of parasitic protozoa into surface water and the dispersion in rivers and streams gives insight into the contribution of the different sources of environmental contamination… Expand
Microbial hazards in irrigation water: standards, norms, and testing to manage use of water in fresh produce primary production.
Accessibility to abundant sources of high-quality water is integral to the production of safe and wholesome fresh produce. However, access to safe water is becoming increasingly difficult in many… Expand
Salivary levels of immunoglobulin A in triathletes.
- P. Steerenberg, I. V. van Asperen, A. van Nieuw Amerongen, A. Biewenga, D. Mol, G. Medema
- European journal of oral sciences
- 1 August 1997
We investigated whether the physical exercise of an olympic distance triathlon affected the salivary IgA excretion of triathletes, as a biomarker for mucosal immune defence. 42 triathletes… Expand
Removal of microorganisms by deep well injection
The removal of bacteriophages MS2 and PRD1, spores of Clostridium bifermentans R5 and . Escherichia coli WR1 by deep well injection into a sandy aquifer, was studied at a pilot field site in the… Expand
Quantitative detection of E. coli, E. coli O157 and other shiga toxin producing E. coli in water samples using a culture method combined with real-time PCR.
Recent water related outbreaks of shiga toxin producing E. coli O157 have resulted in increased attention of the water industry to this potentially deadly pathogen. Current methods to detect E. coli… Expand