Search Results - "LAYTON, Blythe"
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Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance
Published in The Science of the total environment (20-01-2022)“…Wastewater surveillance for pathogens using reverse transcription-polymerase chain reaction (RT-PCR) is an effective and resource-efficient tool for gathering…”
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Evaluation of a Wastewater-Based Epidemiological Approach to Estimate the Prevalence of SARS-CoV-2 Infections and the Detection of Viral Variants in Disparate Oregon Communities at City and Neighborhood Scales
Published in Environmental health perspectives (01-06-2022)“…Positive correlations have been reported between wastewater SARS-CoV-2 concentrations and a community's burden of infection, disease or both. However, previous…”
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Beach Sands along the California Coast Are Diffuse Sources of Fecal Bacteria to Coastal Waters
Published in Environmental science & technology (01-07-2007)“…Fecal indicator bacteria (FIB) are nearly ubiquitous in California (CA) beach sands. Sands were collected from 55 beaches along the CA coast. Ninety-one…”
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Application of molecular source tracking and mass balance approach to identify potential sources of fecal indicator bacteria in a tropical river
Published in PloS one (30-04-2020)“…Microbial source tracking and a mass balance approach were used to identify sources of fecal indicator bacteria (FIB) in the Hanalei River, Kaua'i, Hawai'i…”
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Performance of human fecal anaerobe-associated PCR-based assays in a multi-laboratory method evaluation study
Published in Water research (Oxford) (15-11-2013)“…A number of PCR-based methods for detecting human fecal material in environmental waters have been developed over the past decade, but these methods have…”
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Wastewater surveillance for bacterial targets: current challenges and future goals
Published in Applied and environmental microbiology (24-01-2024)“…Wastewater-based epidemiology (WBE) expanded rapidly in response to the COVID-19 pandemic. As the public health emergency has ended, researchers and…”
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Impact of Sampling Type, Frequency, and Scale of the Collection System on SARS-CoV-2 Quantification Fidelity
Published in Environmental science & technology letters (08-02-2022)“…With the rapid onset of the COVID-19 pandemic, wastewater-based epidemiology sampling methodologies for SARS-CoV-2 were often implemented quickly and may not…”
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Bacterial pathogens in Hawaiian coastal streams—Associations with fecal indicators, land cover, and water quality
Published in Water research (Oxford) (01-05-2011)“…This work aimed to understand the distribution of five bacterial pathogens in O’ahu coastal streams and relate their presence to microbial indicator…”
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Characterization of fecal concentrations in human and other animal sources by physical, culture-based, and quantitative real-time PCR methods
Published in Water research (Oxford) (15-11-2013)“…The characteristics of fecal sources, and the ways in which they are measured, can profoundly influence the interpretation of which sources are contaminating a…”
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Multi-laboratory evaluations of the performance of Catellicoccus marimammalium PCR assays developed to target gull fecal sources
Published in Water research (Oxford) (15-11-2013)“…Here we report results from a multi-laboratory (n = 11) evaluation of four different PCR methods targeting the 16S rRNA gene of Catellicoccus marimammalium…”
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Sources of Nutrients and Fecal Indicator Bacteria to Nearshore Waters on the North Shore of Kaua'i (Hawai'i, USA)
Published in Estuaries and coasts (01-09-2008)“…Water quality monitoring in Hanalei Bay, Kaua'i (Hawai'i, USA) has documented intermittent high concentrations of nutrients (nitrate, phosphate, silica, and…”
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Submarine Discharge of Nutrient-Enriched Fresh Groundwater at Stinson Beach, California Is Enhanced during Neap Tides
Published in Limnology and oceanography (01-07-2008)“…The influence of fortnightly spring-neap tidal variability on submarine discharge of fresh and saline groundwater was examined at Stinson Beach, California…”
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Community-Based SARS-CoV‑2 Testing Using Saliva or Nasopharyngeal Swabs to Compare the Performance of Weekly COVID-19 Screening to Wastewater SARS-CoV‑2 Signals
Published in ACS ES&T water (14-10-2022)“…Multiple studies worldwide have confirmed that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA can be detected in wastewater. However, there…”
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Dissolved Inorganic Nitrogen, Soluble Reactive Phosphorous, and Microbial Pollutant Loading from Tropical Rural Watersheds in Hawai'i to the Coastal Ocean During Non-Storm Conditions
Published in Estuaries and coasts (01-09-2011)“…This study quantifies dissolved inorganic nitrogen (DIN), soluble reactive phosphorous (SRP), and microbial pollutant inputs to a tropical embayment, Hanalei…”
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Changing Epidemiology of Clostridium difficile-Associated Disease: Experience and Perception of Infectious Diseases Consultants
Published in Infectious diseases in clinical practice (Baltimore, Md.) (01-09-2006)“…Recent reports suggest that the frequency and severity of Clostridium difficile-associated disease (CDAD) may be increasing. In March and November 2004, the…”
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Ecotoxicogenomics: Microarray interlaboratory comparability
Published in Chemosphere (Oxford) (01-02-2016)“…Transcriptomic analysis can complement traditional ecotoxicology data by providing mechanistic insight, and by identifying sub-lethal organismal responses and…”
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Detection limits and cost comparisons of human- and gull-associated conventional and quantitative PCR assays in artificial and environmental waters
Published in Journal of environmental management (01-04-2014)“…Some molecular methods for tracking fecal pollution in environmental waters have both PCR and quantitative PCR (qPCR) assays available for use. To assist…”
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