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Laurie C. Van De Werfhorst · SciRah

Researcher profile · Semantic Scholar

Laurie C. Van De Werfhorst

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Laurie C. Van De Werfhorst — researcher profile on SciRah

h-index: 21
Works: 44
Citations: 2,140

Most-cited papers

Performance of forty-one microbial source tracking methods: a twenty-seven lab evaluation study.
A. Boehm, Laurie C. Van De Werfhorst, J. Griffith, P. Holden +4 more
2013Water Research303 citations
Semantic Scholar
Enhanced visualization of microbial biofilms by staining and environmental scanning electron microscopy.
J. Priester, Allison M. Horst, Laurie C. Van De Werfhorst, J. L. Saleta +2 more
2007Journal of Microbiological Methods193 citations
Semantic Scholar
Performance of human fecal anaerobe-associated PCR-based assays in a multi-laboratory method evaluation study.
B. Layton, Yi-Ping Cao, Darcy L. Ebentier, K. Hanley +31 more
2013Water Research146 citations
Semantic Scholar
Diversity, Composition, and Geographical Distribution of Microbial Communities in California Salt Marsh Sediments
A. L. Córdova-Kreylos, Yi-Ping Cao, P. Green, H. Hwang +5 more
2006Applied and Environmental Microbiology131 citations
Semantic Scholar
Sewage exfiltration as a source of storm drain contamination during dry weather in urban watersheds.
B. Sercu, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2011Environmental Science and Technology128 citations
Semantic Scholar
Storm drains are sources of human fecal pollution during dry weather in three urban southern California watersheds.
B. Sercu, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2009Environmental Science and Technology123 citations
Semantic Scholar
Soybean plants modify metal oxide nanoparticle effects on soil bacterial communities.
Y. Ge, J. Priester, Laurie C. Van De Werfhorst, S. Walker +5 more
2014Environmental Science and Technology104 citations Open access
Semantic Scholar
Potential mechanisms and environmental controls of TiO2 nanoparticle effects on soil bacterial communities.
Y. Ge, J. Priester, Laurie C. Van De Werfhorst, J. Schimel +1 more
2013Environmental Science and Technology89 citations
Semantic Scholar
A Review of Environmental Pollution from the Use and Disposal of Cigarettes and Electronic Cigarettes: Contaminants, Sources, and Impacts
M. Beutel, T. Harmon, T. Novotny, J. Mock +11 more
2021Sustainability88 citations Open access
Semantic Scholar
Characterization of Coastal Urban Watershed Bacterial Communities Leads to Alternative Community-Based Indicators
Cindy H. Wu, B. Sercu, Laurie C. Van De Werfhorst, Jakk Wong +5 more
2010PLoS ONE78 citations Open access
Semantic Scholar
Microbial source tracking in a coastal California watershed reveals canines as controllable sources of fecal contamination.
J. Ervin, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2014Environmental Science and Technology75 citations
Semantic Scholar
Solar Inactivation of Enterococci and Escherichia coli in Natural Waters: Effects of Water Absorbance and Depth.
P. Maraccini, Mia C. Mattioli, L. Sassoubre, Yi-Ping Cao +4 more
2016Environmental Science and Technology74 citations Open access
Semantic Scholar
Evaluation of the repeatability and reproducibility of a suite of qPCR-based microbial source tracking methods.
Darcy L. Ebentier, K. Hanley, Yi-Ping Cao, B. Badgley +22 more
2013Water Research71 citations
Semantic Scholar
Bacterial diversity in marine hydrocarbon seep sediments.
Michael G. Lamontagne, I. Leifer, Sandra Bergmann, Laurie C. Van De Werfhorst +1 more
2004Environmental Microbiology69 citations
Semantic Scholar
Multi-laboratory evaluations of the performance of Catellicoccus marimammalium PCR assays developed to target gull fecal sources.
C. Sinigalliano, J. Ervin, Laurie C. Van De Werfhorst, B. Badgley +23 more
2013Water Research59 citations
Semantic Scholar
Evaluation of molecular community analysis methods for discerning fecal sources and human waste.
Yi-Ping Cao, Laurie C. Van De Werfhorst, E. Dubinsky, B. Badgley +4 more
2013Water Research57 citations
Semantic Scholar
Cultivation-Independent Analysis of Bacteria in IDEXX Quanti-Tray/2000 Fecal Indicator Assays
B. Sercu, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2010Applied and Environmental Microbiology38 citations Open access
Semantic Scholar
Comparison of the Host Specificities of Two Bacteroidales Quantitative PCR Assays Used for Tracking Human Fecal Contamination
Laurie C. Van De Werfhorst, B. Sercu, P. Holden
2011Applied and Environmental Microbiology36 citations Open access
Semantic Scholar
Trampling in the rocky intertidal of central California: A follow-up study
Laurie C. Van De Werfhorst, J. Pearse
200730 citations
Semantic Scholar
Application of an integrated community analysis approach for microbial source tracking in a coastal creek.
Yi-Ping Cao, Laurie C. Van De Werfhorst, B. Sercu, Jill L. S. Murray +1 more
2011Environmental Science and Technology25 citations
Semantic Scholar
Canine Scent Detection and Microbial Source Tracking of Human Waste Contamination in Storm Drains
Laurie C. Van De Werfhorst, Jill L. S. Murray, S. Reynolds, K. Reynolds +1 more
2014Water environment research24 citations
Semantic Scholar
Effects of TiO2 and Ag nanoparticles on polyhydroxybutyrate biosynthesis by activated sludge bacteria.
J. Priester, Laurie C. Van De Werfhorst, Y. Ge, A. Adeleye +5 more
2014Environmental Science and Technology21 citations
Semantic Scholar
Terrestrial Sources Homogenize Bacterial Water Quality During Rainfall in Two Urbanized Watersheds in Santa Barbara, CA
B. Sercu, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2011Microbial Ecology21 citations
Semantic Scholar
Highly variable removal of pathogens, antibiotic resistance genes, conventional fecal indicators and human-associated fecal source markers in a pilot-scale stormwater biofilter operated under realistic stormflow conditions.
Megyn B. Rugh, S. Grant, Wei-Cheng Hung, J. Jay +16 more
2022Water Research18 citations Open access
Semantic Scholar
Sources of Fecal Indicator Bacteria to Groundwater, Malibu Lagoon and the Near-Shore Ocean, Malibu, California, USA
J. Izbicki, P. Swarzenski, C. A. Burton, Laurie C. Van De Werfhorst +2 more
201217 citations
Semantic Scholar
Surf zone microbiological water quality following emergency beach nourishment using sediments from a catastrophic debris flow.
Dong Li, Laurie C. Van De Werfhorst, T. Dunne, Naresh Devarajan +2 more
2020Water Research14 citations
Semantic Scholar
Limited Bacterial Removal in Full-Scale Stormwater Biofilters as Evidenced by Community Sequencing Analysis.
Dong Li, Laurie C. Van De Werfhorst, Megyn B. Rugh, Marina Feraud +6 more
2021Environmental Science and Technology13 citations Open access
Semantic Scholar
Sources of Low Level Human Fecal Markers in Recreational Waters of Two Santa Barbara, CA Beaches: Roles of WWTP Outfalls and Swimmers.
Dong Li, Laurie C. Van De Werfhorst, B. Steets, J. Ervin +4 more
2021Water Research13 citations
Semantic Scholar
Bather Shedding as a Source of Human Fecal Markers to a Recreational Beach
Dong Li, Laurie C. Van De Werfhorst, B. Steets, J. Ervin +3 more
2021Frontiers in Microbiology13 citations Open access
Semantic Scholar
Stormwater biofilter response to high nitrogen loading under transient flow conditions: Ammonium and nitrate fates, and nitrous oxide emissions.
Marina Feraud, Sean P. Ahearn, E. A. Parker, Sumant Avasarala +12 more
2022Water Research11 citations Open access
Semantic Scholar
Assessing multiple fecal sources to surf zone waters of two recreational beaches by bacterial community analysis.
Dong Li, Laurie C. Van De Werfhorst, B. Steets, J. Ervin +3 more
2022Water Research10 citations Open access
Semantic Scholar
Bacteroidales terminal restriction fragment length polymorphism (TRFLP) for fecal source differentiation in comparison to and in combination with universal bacteria TRFLP.
Yi-Ping Cao, Laurie C. Van De Werfhorst, E. A. Scott, Meredith R. Raith +2 more
2013Water Research10 citations
Semantic Scholar
Influence of tobacco product wastes in a protected coastal reserve adjacent to urbanization.
Srimanti Duttagupta, Katelyn Nynas, W. Richardot, Shahrin Binte Salam +8 more
2023Marine Pollution Bulletin9 citations Open access
Semantic Scholar
Performance of forty-one microbial source tracking methods : A twenty-seven laboratory evaluation study
A. Boehm, Laurie C. Van De Werfhorst, J. Griffith, P. Holden +4 more
20148 citations
Semantic Scholar
Genetic sequence data evidence that human faecal‐associated HF183 sequences are on human skin and in urine
Dong Li, Laurie C. Van De Werfhorst, P. Holden
2022Journal of Applied Microbiology7 citations Open access
Semantic Scholar
Modeled and measured SARS-CoV-2 virus in septic tank systems for wastewater surveillance.
Dong Li, H. Quon, J. Ervin, Sunny C. Jiang +4 more
2023Journal of Water and Health6 citations Open access
Semantic Scholar
Municipal separate storm sewer system (MS4) dry weather flows and potential flow sources as assessed by conventional and advanced bacterial analyses.
Dong Li, Laurie C. Van De Werfhorst, J. Ervin, A. Poresky +5 more
2023Environmental Pollution5 citations Open access
Semantic Scholar
Bacterial community analysis of recreational beach waters reveals human fecal contamination and pathogenicity across varying field conditions.
Dong Li, Laurie C. Van De Werfhorst, Rachel T Noble, Denene Blackwood +4 more
2025Water Research2 citations Open access
Semantic Scholar
Canine Scent and Microbial Source Tracking in Santa Barbara, California
Jill L. S. Murray, S. Reynolds, P. Holden, Laurie C. Van De Werfhorst
20112 citations
Semantic Scholar
Bacterial community colonization with minimal alteration of plastics in suboxic sediments from a marine methane seep
Timnit Kefela, Dong Li, Laurie C. Van De Werfhorst, Rebecca M. Reynolds +6 more
2026Applied and Environmental Microbiology0 citations Open access
Semantic Scholar
EXPLORING THE ENVIRONMENTAL IMPACT OF TOBACCO PRODUCT WASTE IN STORMWATER AND SEDIMENTS OF THE COASTAL MARSH RESERVE IN SOUTHERN CALIFORNIA
Srimanti Duttagupta, Melissa Pennington, Katelyn Nynas, W. Richardot +7 more
2023Geological Society of America Abstracts with Programs0 citations
Semantic Scholar
Tobacco and Cannabis Debris Survey Protocol
Laurie C. Van De Werfhorst, C. Jerde, Marc W. Beutel, Andrew J. Brooks +13 more
20220 citations Open access
Semantic Scholar
Bacterial Community Analysis to Quantify Dry Weather Flow Source Contributions in Urban Storm Drains
Dong Li, Laurie C. Van De Werfhorst, J. Ervin, A. Poresky +5 more
2022Social Science Research Network0 citations Open access
Semantic Scholar
Erratum to: Terrestrial Sources Homogenize Bacterial Water Quality During Rainfall in Two Urbanized Watersheds in Santa Barbara, CA
B. Sercu, Laurie C. Van De Werfhorst, Jill L. S. Murray, P. Holden
2011Microbial Ecology0 citations Open access
Semantic Scholar

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