Tamar Kohn
EPFL ENAC IIE LCE
GR A0 402 (Bâtiment GR)
Station 2
1015 Lausanne
+41 21 693 08 91
+41 21 693 80 56
Office:
GR A0 402
EPFL
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ENAC
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IIE
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LCE
Web site: Web site: https://lce.epfl.ch/
Fields of expertise
Waterborne and airborne pathogens
Environmental virology
Sanitation and hygiene
Organic micropollutants
Mission
We study the fate of viruses outside the host, mostly in water, sometimes in air.Biography
2023 - present Full Professor, EPFL2014 - 2023 Associate Professor, EPFL
2014 - present Adjunct researcher, Eawag
2007 - 2013 Assistant Professor, EPFL
2004 - 2006 Postdoctoral researcher, UC Berkeley
2000 - 2004 PhD, Environmental Engineering, Johns Hopkins University
1999 Diploma, Environmental Sciences, ETHZ
Publications
Infoscience publications
Journal articles
Comparison of Three Viral Nucleic Acid Preamplification Pipelines for Sewage Viral Metagenomics
Food and Environmental Virology. 2024. DOI : 10.1007/s12560-024-09594-3.Influence of Amino Acid Substitutions in Capsid Proteins of Coxsackievirus B5 on Free Chlorine and Thermal Inactivation
Environmental Science & Technology. 2024. DOI : 10.1021/acs.est.3c10409.Waterborne Virus Transport and Risk Assessment in Lake Geneva Under Climate Change
Earth's Future. 2024. DOI : 10.1029/2023EF003831.Vertical distribution and seasonal dynamics of planktonic cyanobacteria communities in a water column of deep mesotrophic Lake Geneva
Frontiers in Microbiology. 2023. DOI : 10.3389/fmicb.2023.1295193.The neuraminidase activity of influenza A virus determines the strain-specific sensitivity to neutralization by respiratory mucus
Journal of Virology. 2023. DOI : 10.1128/jvi.01271-23.Inactivation mechanisms of influenza A virus under pH conditions encountered in aerosol particles as revealed by whole-virus HDX-MS
mSphere. 2023-08-18. DOI : 10.1128/msphere.00226-23.Uptake without inactivation of human adenovirus type 2 by Tetrahymena pyriformis ciliates
Environmental Science: Processes & Impacts. 2023-06-19. DOI : 10.1039/D3EM00116D.Wastewater monitoring can anchor global disease surveillance systems
The Lancet Global Health. 2023. DOI : 10.1016/S2214-109X(23)00170-5.Selective elimination of enterovirus genotypes by activated sludge and chlorination
Environmental Science: Water Research & Technology. 2023. DOI : 10.1039/D3EW00050H.Observed Kinetics of Enterovirus Inactivation by Free Chlorine Are Host Cell-Dependent
Environmental Science & Technology. 2023-01-18. DOI : 10.1021/acs.est.2c07048.Expiratory Aerosol pH: The Overlooked Driver of Airborne Virus Inactivation
Environmental Science & Technology. 2023. DOI : 10.1021/acs.est.2c05777.Waterborne virus transport and the associated risks in a large lake
Water Research. 2022-11-28. DOI : 10.1016/j.watres.2022.119437.Expiratory aerosol pH is determined by indoor room trace gases and particle size
Proceedings of the National Academy of Sciences. 2022. DOI : 10.1073/pnas.2212140119.Integrating Environmental Dimensions of “One Health” to Combat Antimicrobial Resistance: Essential Research Needs
Environmental Science & Technology. 2022-06-09. DOI : 10.1021/acs.est.2c01651.Genotype-Dependent Kinetics of Enterovirus Inactivation by Free Chlorine and Ultraviolet (UV) Irradiation
Water Research. 2022-06-06. DOI : 10.1016/j.watres.2022.118712.Wastewater Reveals the Spatiotemporal Spread of SARS-CoV-2 in the Canton of Ticino (Switzerland) during the Onset of the COVID-19 Pandemic
ACS ES&T Water. 2022-05-20. DOI : 10.1021/acsestwater.2c00082.Bacterial matrix metalloproteases and serine proteases contribute to the extra-host inactivation of enteroviruses in lake water
The ISME Journal. 2022-05-11. DOI : 10.1038/s41396-022-01246-3.Fate of parasites and viruses in calcium hydroxide-treated urine in relation to temperature and moisture content
Frontiers in Environmental Science. 2022-04-19. DOI : 10.3389/fenvs.2022.882284.Coupling remote sensing and particle tracking to estimate trajectories in large water bodies
International Journal of Applied Earth Observation and Geoinformation. 2022-05-07. DOI : 10.1016/j.jag.2022.102809.How wastewater informs COVID-19 policy in Switzerland
Water Science Policy. 2022-03-30. DOI : 10.53014/BHET9151.Removal of waterborne viruses by Tetrahymena pyriformis is virus-specific and coincides with changes in protist swimming speed
Enviromental Science & Technology. 2022-03-08. DOI : 10.1021/acs.est.1c05518.Wastewater-Based Estimation of the Effective Reproductive Number of SARS-CoV-2
Environmental Health Perspectives. 2022-04-29. DOI : 10.1289/EHP10050.Inferring Transmission Fitness Advantage of SARS-CoV-2 Variants of Concern in Wastewater Using Digital PCR
Eurosurveillance. 2022-03-10. DOI : 10.2807/1560-7917.ES.2022.27.10.2100806.Early detection and surveillance of SARS-CoV-2 genomic variants in wastewater using COJAC
Nature Microbiology. 2022-07-18. DOI : 10.1038/s41564-022-01185-x.An integrated cell culture reverse transcriptase quantitative PCR (ICC-RTqPCR) method to simultaneously quantify the infectious concentrations of eight environmentally relevant enterovirus serotypes
Journal of Virological Methods. 2021-07-01. DOI : 10.1016/j.jviromet.2021.114225.Wastewater monitoring outperforms case numbers as a tool to track COVID-19 incidence dynamics when test positivity rates are high
Water Research. 2021-05-26. DOI : 10.1016/j.watres.2021.117252.Élimination des micropolluant par CAP super-fin
Aqua & Gas. 2021-01-18.Retention of E. coli and water on the skin after liquid contact
PLOS ONE. 2020-09-17. DOI : 10.1371/journal.pone.0238998.Adaptation of Human Enterovirus to Warm Environments Leads to Resistance against Chlorine Disinfection
Environmental Science and Technology. 2020-09-02. DOI : 10.1021/acs.est.0c03199.Removal of trace organic contaminants from wastewater by superfine powdered activated carbon (SPAC) is neither affected by SPAC dispersal nor coagulation
Water Research. 2020-08-14. DOI : 10.1016/j.watres.2020.116302.Viral Transfer and Inactivation through Zooplankton Trophic Interactions
Environmental Science & Technology. 2020-07-14. DOI : 10.1021/acs.est.0c02545.Global sensitivity analysis of environmental, water quality, photoreactivity, and engineering design parameters in sunlight inactivation of viruses
Environmental Science & Technology. 2020-05-29. DOI : 10.1021/acs.est.0c01214.Salt enhances the thermostability of enteroviruses by stabilizing capsid protein interfaces
Journal of Virology. 2020-03-25. DOI : 10.1128/JVI.02176-19.The Metal Catalyst Influences the Kinetics and Mechanisms of MS2 Inactivation in Fenton-like Systems
CHIMIA. 2020-03-15. DOI : 10.2533/chimia.2020.149.UV disinfection of human norovirus: evaluating infectivity using a genome-wide PCR-based approach
Environmental Science and Technology. 2020-01-24. DOI : 10.1021/acs.est.9b05747.Control of Waterborne Human Viruses by Indigenous Bacteria and Protists Is Influenced by Temperature, Virus Type, and Microbial Species
Applied and Environmental Microbiology. 2020. DOI : 10.1128/AEM.01992-19.Relationship Between Inactivation and Genome Damage of Human Enteroviruses Upon Treatment by UV254, Free Chlorine, and Ozone
Food and Environmental Virology. 2019-10-29. DOI : 10.1007/s12560-019-09411-2.Proxies to monitor the inactivation of viruses by ozone in surface water and wastewater effluent
Water Research. 2019-09-13. DOI : 10.1016/j.watres.2019.115088.Health risks for sanitation service workers along a container-based urine collection system and resource recovery value chain
Environmental Science and Technology. 2019-05-13. DOI : 10.1021/acs.est.9b01092.Differences in viral disinfection mechanisms as revealed by quantitative transfection of Echovirus 11 genomes
Applied and Environmental Microbiology. 2019-05-10. DOI : 10.1128/AEM.00961-19.The utility of flow cytometry for potable reuse
Current Opinion in Biotechnology. 2019-01-27. DOI : 10.1016/j.copbio.2018.12.009.Transfer of enteric viruses (adenovirus and coxsackievirus) and bacteriophage (MS2) from liquid to human skin
Applied and Environmental Microbiology. 2018-09-14. DOI : 10.1128/AEM.01809-18.Sunlight-mediated inactivation of health-relevant microorganisms in water: A review of mechanisms and modeling approaches
Environmental Science: Processes & Impacts. 2018-07-26. DOI : 10.1039/C8EM00047F.Inaktivierung von Viren im Wasser
Aqua & Gas. 2018-05-15.Variability in Disinfection Resistance between Currently Circulating Enterovirus B Serotypes and Strains
Environmental Science and Technology. 2018. DOI : 10.1021/acs.est.8b00851.Kinetics of inactivation of waterborne enteric viruses by ozone
Environmental Science and Technology. 2018. DOI : 10.1021/acs.est.7b05111.Virus transfer at the skin-liquid interface
Environmental Science and Technology. 2017. DOI : 10.1021/acs.est.7b04949.Experimental adaptation of human echovirus 11 to ultraviolet radiation leads to tolerance to disinfection and resistance to ribavirin
Virus Evolution. 2017. DOI : 10.1093/ve/vex035.Cross-resistance of UV- or chlorine dioxide-resistant echovirus 11 to other disinfectants
Frontiers in Microbiology. 2017. DOI : 10.3389/fmicb.2017.01928.Resistance of echovirus 11 to ClO2 is associated with enhanced host receptor use, altered entry routes and high fitness
Environmental Science and Technology. 2017. DOI : 10.1021/acs.est.7b03288.Identification of the inactivating factors and mechanisms exerted on MS2 coliphage in concentrated synthetic urine
Science of the Total Environment. 2017. DOI : 10.1016/j.scitotenv.2017.04.088.Virus inactivation in stored human urine, sludge and animal manure under typical conditions of storage or mesophilic anaerobic digestion
Environmental Science: Water Research & Technology. 2017. DOI : 10.1039/C6EW00311G.Bacteria inactivation during the drying of struvite fertilizers produced from stored urine
Environmental Science and Technology. 2016. DOI : 10.1021/acs.est.6b03555.Genetic, structural and phenotypic properties of MS2 coliphage with resistance to ClO2 disinfection
Environmental Science and Technology. 2016. DOI : 10.1021/acs.est.6b04170.Ammonia as an in-situ sanitizer: influence of virus genome type on inactivation
Applied and Environmental Microbiology. 2016. DOI : 10.1128/AEM.01106-16.Competitive co-adsorption dynamics of viruses and dissolved organic matter to positively charged sorbent surfaces
Environmental Science and Technology. 2016. DOI : 10.1021/acs.est.5b05726.Viruses at solid-water interfaces: A systematic assessment of interactions driving adsorption
Environmental Science & Technology. 2016. DOI : 10.1021/acs.est.5b04644.Super-fine powdered activated carbon (SPAC) for efficient removal of micropollutants from wastewater treatment plant effluent
Water Research. 2016. DOI : 10.1016/j.watres.2015.12.001.A modeling approach to estimate the solar disinfection of viral indicator organisms in waste stabilization ponds and surface waters
Water Research. 2016. DOI : 10.1016/j.watres.2015.11.022.Solar disinfection (SODIS) of viruses in PET bottles
Applied and Environmental Microbiology. 2016. DOI : 10.1128/AEM.02897-15.Inactivation kinetics and mechanisms of viral and bacterial pathogen surrogates during urine nitrification
Environmental Science-Water Research & Technology. 2015. DOI : 10.1039/c4ew00065j.Pathogens and pharmaceuticals in source-separated urine in eThekwini, South Africa
Water Research. 2015. DOI : 10.1016/j.watres.2015.08.022.Ammonia as an in-situ sanitizer: inactivation kinetics and mechanisms of the ssRNA virus MS2 by NH3
Environmental Science and Technology. 2015. DOI : 10.1021/es5044529.A conceptual model and experimental framework to determine the contributions of direct and indirect photoreactions to the solar disinfection of MS2, phiX174 and adenovirus
Environmental Science and Technology. 2015. DOI : 10.1021/es504764u.Technologies for the treatment of source-separated urine in the eThekwini Municipality
Water SA. 2015. DOI : 10.4314/wsa.v41i2.06.UVC inactivation of dsDNA and ssRNA viruses in water: UV fluences and a qPCR-based approach to evaluate decay on viral infectivity
Food and Environmental Virology. 2014. DOI : 10.1007/s12560-014-9157-1.Direct effects of dominant winds on residence and travel times in the wide and open lacustrine embayment: Vidy Bay (Lake Geneva, Switzerland)
Aquatic Sciences. 2014. DOI : 10.1007/s00027-013-0321-8.On the cause of the tailing phenomenon during virus disinfection by chlorine dioxide
Water Research. 2014. DOI : 10.1016/j.watres.2013.09.023.Spatial extent and ecotoxicological risk assessment of a micropollutant-contaminated wastewater plume in Lake Geneva
Aquatic Sciences. 2014. DOI : 10.1007/s00027-013-0315-6.Micropollutant dynamics in Vidy Bay - A coupled hydrodynamic-photolysis model to assess the spatial extent of ecotoxicological risk
Environmental Science and Technology. 2013. DOI : 10.1021/es401294c.Virus removal and inactivation by iron (hydr)oxide-mediated Fenton-like processes under sunlight and in the dark
Photochemical and Photobiological Sciences. 2013. DOI : 10.1039/C3PP25314G.Subtle differences in virus composition affect disinfection kinetics and mechanisms
Applied and Environmental Microbiology. 2013. DOI : 10.1128/AEM.00663-13.Mechanisms of Human Adenovirus Inactivation by Sunlight and UVC Light as Examined by Quantitative PCR and Quantitative Proteomics
Applied and Environmental Microbiology. 2013. DOI : 10.1128/AEM.03457-12.Direct photolysis of human metabolites of the antibiotic sulfamethoxazole: Evidence for abiotic back-transformation
Environmental Science and Technology. 2013. DOI : 10.1021/es303777k.Pharmaceuticals and their human metabolites in Lake Geneva: occurrence, fate and ecotoxicological relevance
Archives des Sciences. 2012. DOI : 10.5169/seals-738357.Virus inactivation mechanisms: impact of disinfectants on virus function and structural integrity
Environmental Science and Technology. 2012. DOI : 10.1021/es3029473.Inactivation of bacteriophage MS2 with potassium ferrate(VI)
Environmental Science and Technology. 2012. DOI : 10.1021/es3031962.Inactivation and tailing during UV254 disinfection of viruses: contributions of viral aggregation, light shielding within viral aggregates and recombination
Environmental Science and Technology. 2012. DOI : 10.1021/es302058v.Emerging Investigators themed issue 2012
Journal Of Environmental Monitoring. 2012. DOI : 10.1039/c2em90030k.UV radiation induces genome-mediated, site-specific cleavage in viral protein
Chembiochem. 2012. DOI : 10.1002/cbic.201100601.Photoinactivation of virus on iron-oxide coated sand: enhancing inactivation in sunlit waters
Water Research. 2012. DOI : 10.1016/j.watres.2011.12.059.Virus disinfection mechanisms: the role of virus composition, structure, and function
Current Opinion in Virology. 2012. DOI : 10.1016/j.coviro.2011.11.003.Role of Temperature and Suwannee River Natural Organic Matter on Inactivation Kinetics of Rotavirus and Bacteriophage MS2 by Solar Irradiation
Environmental Science and Technology. 2011. DOI : 10.1021/es202067f.Impact of virus aggregation on inactivation by peracetic acid and implications for other disinfectants
Environmental Science and Technology. 2011. DOI : 10.1021/es201633s.Fate of the pathogen indicators phage phiX174 and Ascaris suum eggs during the production of struvite fertilizer from source-separated urine
Water Research. 2011. DOI : 10.1016/j.watres.2011.06.042.Spatial and temporal presence of a wastewater-derived micropollutant plume in Lake Geneva
Environmental Science and Technology. 2011. DOI : 10.1021/es2003588.A framework for using quantitative PCR as a non-culture based method to estimate virus infectivity
Environmental Science and Technology. 2011. DOI : 10.1021/es103488e.Reactivity of Alkyl Polyhalides toward Granular Iron: Development of QSARs and Reactivity Cross Correlations for Reductive Dehalogenation
Environmental Science and Technology. 2010. DOI : 10.1021/es1018866.Pharmaceuticals and Personal Care Products (PPCPs) in Effluent Matrices: A Survey of Transformation and Removal during Wastewater Treatment and Implications for Wastewater Management
Journal of Environmental Monitoring. 2010. DOI : 10.1039/C0EM00068J.Oxidation of Virus Proteins during UV(254) and Singlet Oxygen Mediated Inactivation
Environmental Science and Technology. 2010. DOI : 10.1021/es100435a.Inactivation of MS2 coliphage in Fenton and Fenton-like systems: role of transition metals, hydrogen peroxide and sunlight
Environmental Science and Technology. 2010. DOI : 10.1021/es903739f.Occurrence and fate of micropollutants in the Vidy Bay of Lake Geneva, part II: Micropollutant removal between wastewater and raw drinking water
Environmental Toxicology and Chemistry. 2010. DOI : 10.1002/etc.222.Occurrence and fate of micropollutants in the Vidy Bay of Lake Geneva, part I: Priority list for environmental risk assessment of pharmaceuticals
Environmental Toxicology and Chemistry. 2010. DOI : 10.1002/etc.221.Quantitative PCR for determining the infectivity of bacteriophage MS2 upon inactivation by heat, UVB and singlet oxygen: advantages and limitations of an enzymatic treatment to reduce false-positive results
Applied and Environmental Microbiology. 2009. DOI : 10.1128/AEM.00425-09.Association with Natural Organic Matter Enhances the Sunlight-Mediated Inactivation of MS2 Coliphage by Singlet Oxygen
Environmental Science and Technology. 2007. DOI : 10.1021/es070295h.Sunlight-Mediated Inactivation of MS2 Coliphage via Exogenous Singlet Oxygen Produced by Sensitizers in Natural Waters
Environmental Science and Technology. 2007. DOI : 10.1021/es061716i.Reactivity of Substituted Benzotrichlorides toward Granular Iron, Cr(II), and an Iron(II) Porphyrin: A Correlation Analysis
Environmental Science and Technology. 2006. DOI : 10.1021/es051737x.Interspecies Competitive Effects in Reduction of Organohalides in Connelly Iron Columns
Environmental Engineering Science. 2006. DOI : 10.1089/ees.2006.23.874.The effect of silica on the degradation of organohalides in granular iron columns
Journal of Contaminant Hydrology. 2006. DOI : 10.1016/j.jconhyd.2005.10.010.Photosensitizer method to determine rate constants for the reaction of carbonate radical with organic compounds
Environmental Science and Technology. 2005. DOI : 10.1021/es051236b.Longevity of granular iron in groundwater treatment processes: corrosion product development
Environmental Science and Technology. 2005. DOI : 10.1021/es048851k.Longevity of granular iron in groundwater treatment processes: Solution composition effects on reduction of organohalides and nitroaromatic compounds
Environmental Science and Technology. 2003. DOI : 10.1021/es025965s.Investigation of the inhibitory effect of silica on the degradation of 1,1,1-trichloroethane by granular iron
Environmental Science and Technology. 2003. DOI : 10.1021/es034495e.Applications of surface analysis in the environmental sciences: dehalogenation of chloro-carbons with zero-valent iron and iron-containing mineral surfaces
Analytica Chimica Acta. 2003. DOI : 10.1016/S0003-2670(03)01009-2.Teaching & PhD
Teaching
Environmental Sciences and Engineering