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Now showing items 1-20 of 385

    • A human exposome framework for guiding risk management and holistic assessment of recycled water quality 

      Garner, Emily; Zhu, Ni; Strom, Laurel; Edwards, Marc A.; Pruden, Amy (Royal Society of Chemistry, 2016-04-12)
      Challenges associated with water scarcity and increasing water demand are leading many cities around the globe to consider water reuse as a step towards water sustainability. Recycled water may be used in a spectrum of ...
    • A Simulation Optimization Approach to Epidemic Forecasting 

      Nsoesie, Elaine O.; Beckman, Richard J.; Shashaani, Sara; Nagaraj, Kalyani S.; Marathe, Madhav V. (PLOS, 2013-06-27)
      Reliable forecasts of influenza can aid in the control of both seasonal and pandemic outbreaks. We introduce a simulation optimization (SIMOP) approach for forecasting the influenza epidemic curve. This study represents ...
    • A systematic review of studies on forecasting the dynamics of influenza outbreaks 

      Nsoesie, Elaine O.; Brownstein, John S.; Ramakrishnan, Naren; Marathe, Madhav V. (Wiley, 2013-12-23)
      Forecasting the dynamics of influenza outbreaks could be useful for decision-making regarding the allocation of public health resources. Reliable forecasts could also aid in the selection and implementation of interventions ...
    • Advancing the Global Land Grant Institution: Creating a Virtual Environment to Re-envision Extension and Advance GSS-related Research, Education, and Collaboration 

      Hall, Ralph P.; Polys, Nicholas F.; Sforza, Peter M.; Eubank, Stephen D.; Lewis, Bryan; Krometis, Leigh Anne Henry; Pollyea, Ryan; Schoenholtz, Stephen H.; Sridhar, Venkataramana; Crowder, Van; Lipsey, John; Christie, Maria Elisa; Glasson, George; Scherer, Hannah; Davis, A. Jack; Dunay, Robert; King, Nathan T.; Muelenaer, Andre A.; Muelenaer, Penelope; Rist, Cassidy; Wenzel, Sophie (Virginia Tech, 2017-05-15)
      The vision for this project has emerged from several years of research, teaching, and service in Africa and holds the potential to internationalize education at Virginia Tech and in our partner institutions in Malawi. The ...
    • Agricultural Practices Influence Salmonella Contamination and Survival in Pre-harvest Tomato Production 

      Gu, Ganyu; Strawn, Laura K.; Oryang, David O.; Zheng, Jie; Reed, Elizabeth A.; Ottesen, Andrea R.; Bell, Rebecca L.; Chen, Yuhuan; Duret, Steven; Ingram, David T.; Reiter, Mark S.; Pfuntner, Rachel; Brown, Eric W.; Rideout, Steven L. (Frontiers, 2018-10-16)
      Between 2000 and 2010 the Eastern Shore of Virginia was implicated in four Salmonella outbreaks associated with tomato. Therefore, a multi-year study (2012-2015) was performed to investigate presumptive factors associated ...
    • Antibiotic resistance genes in the faeces of dairy cows following short-term therapeutic and prophylactic antibiotic administration 

      Feng, Xin; Chambers, Lindsey R.; Knowlton, Katharine F. (2019-12-06)
      The objective of the research was to quantify three antibiotic resistance genes (tetQ, cfxA and mefA) in the faeces of dairy cows following therapeutic and prophylactic antibiotic treatments. Manure collected from dairy ...
    • Antibiotics in Agroecosystems: Introduction to the Special Section 

      Franklin, Alison M.; Aga, Diana S.; Cytryn, Eddie; Durso, Lisa M.; McLain, Jean E.; Pruden, Amy; Roberts, Marilyn C.; Rothrock, Michael J., Jr.; Snow, Daniel D.; Watson, John E.; Dungan, Robert S. (2016-03)
      The presence of antibiotic drug residues, antibiotic resistant bacteria, and antibiotic resistance genes in agroecosystems has become a significant area of research in recent years and is a growing public health concern. ...
    • Antimicrobial Resistance Mitigation [ARM] Concept Paper 

      Vikesland, Peter J.; Alexander, Kathleen A.; Badgley, Brian D.; Krometis, Leigh Anne Henry; Knowlton, Katharine F.; Gohlke, Julia; Hall, Ralph P.; Hawley, Dana M.; Heath, Lenwood S.; Hession, W. Cully; Hull, Robert Bruce IV; Moeltner, Klaus; Ponder, Monica A.; Pruden, Amy; Schoenholtz, Stephen H.; Wu, Xiaowei; Xia, Kang; Zhang, Liqing (Virginia Tech, 2017-05-15)
      The development of viable solutions to the global threat of antimicrobial resistance requires a transdisciplinary approach that simultaneously considers the clinical, biological, social, economic, and environmental drivers ...
    • Antimicrobial Resistance Prediction in PATRIC and RAST 

      Davis, James J.; Boisvert, Sebastien; Brettin, Thomas; Kenyon, Ronald W.; Mao, Chunhong; Olson, Robert; Overbeek, Ross; Santerre, John; Shukla, Maulik; Wattam, Alice R.; Will, Rebecca; Xia, Fangfang; Stevens, Rick (Springer Nature, 2016-06-14)
      The emergence and spread of antimicrobial resistance (AMR) mechanisms in bacterial pathogens, coupled with the dwindling number of effective antibiotics, has created a global health crisis. Being able to identify the genetic ...
    • Are There Alternative Methods for Treating Wastewater in the Rural Southeast 

      Withers, Urban; Thompson, Tess; Krometis, Leigh Anne Henry; Burchell, Michael (2016-06-08)
      The treatment of municipal wastewater is widely considered one of the greatest environmental health achievements of the 20th century; however, insufficient household wastewater disposal systems – such as piping raw sewage ...
    • Assessing Strontium and Vulnerability to Strontium in Private Drinking Water Systems in Virginia 

      Scott, Veronica; Juran, Luke; Ling, Erin J.; Benham, Brian; Spiller, Asa (MDPI, 2020-04-08)
      A total of 1.7 million Virginians rely on private drinking water (PDW) systems and 1.3 million of those people do not know their water quality. Because most Virginians who use PDW do not know the quality of that water and ...
    • Assessing the Effects of Climate Change on Water Quantity and Quality in an Urban Watershed Using a Calibrated Stormwater Model 

      Alamdari, Nasrin; Sample, David J.; Steinberg, Peter; Ross, Andrew C.; Easton, Zachary M. (MDPI, 2017-06-27)
      Assessing climate change (CC) impacts on urban watersheds is difficult due to differences in model spatial and temporal scales, making prediction of hydrologic restoration a challenge. A methodology was developed using an ...
    • Assessing the Impact of the CIP Genebank 

      Brenal-Galeano, Vivian; Shirey, Emma; Alwang, Jeffrey R.; Anglin, Noelle L.; Ellis, David; Hareau, Guy; Pradel, Willy; Norton, George W. (2018-10-03)
      Preserving plant diversity is a critical objective of a genebank. Genebanks provide breeding programs with new and crucial traits that can be incorporated into crops. Future Food security relies on these traits, that can ...
    • Assessment and validation of total water storage in the Chesapeake Bay watershed using GRACE 

      Sridhar, Venkataramana; Ali, Syed Azhar; Lakshmi, Venkataraman (Elsevier, 2019-05-22)
      The Chesapeake Bay is the largest estuary in the United States, and its catchment has heterogeneous hydrological and geomorphologic characteristics. It includes seven major river basins: James, Patuxent, Potomac, Rappahannock, ...
    • Assessment of Nutrient Limitation in Floodplain Forests with Two Different Techniques 

      Neatrour, Matthew A.; Jones, Robert H.; Golladay, Stephen W. (Hindawi, 2008-05-15)
      We assessed nitrogen and phosphorus limitation in a floodplain forest in southern Georgia in USA using two commonly used methods: nitrogen to phosphorus (N:P) ratios in litterfall and fertilized ingrowth cores. We measured ...
    • BCG vaccine protection from severe coronavirus disease 2019 (COVID-19) 

      Esboar, Luis E.; Molina-Cruz, Alvaro; Barillas-Mury, Carolina (National Academy of Sciences, 2020-06-09)
      A series of epidemiological explorations has suggested a negative association between national bacillus Calmette–Guérin (BCG) vaccination policy and the prevalence and mortality of coronavirus disease 2019 (COVID-19). ...
    • Biodiversity conservation, project planning, and gender: Experiences from the field 

      Maldonado, Oscar
      Biodiversity conservation paradigms have considerably evolved during the last 20 years. A better understanding of the complexities that conservation entails has allowed reconsidering strict conservation strategies and ...
    • Branched Peptide Boronic Acids (BPBAs): A Novel Mode of Binding Towards RNA 

      Zhang, Wenyu; Bryson, David I.; Crumpton, Jason B.; Wynn, Jessica; Santos, Webster L. (The Royal Society of Chemistry, 2013-02-07)
      We report branched peptideboronic acids (BPBAs) that bind to RRE IIB from an on-bead high-throughput screening of a 3.3.4-library (46 656 compounds). We demonstrate that boronic acids are tunable moieties that afford a ...
    • Bridging the Information Gap with Cost-Effective Dissemination Strategies: The Case of Integrated Pest Management in Bangladesh 

      Harris, Leah M.; Norton, George W.; Rezaul Karim, A.N.M.; Alwang, Jeffrey R.; Taylor, Daniel B. (Southern Agricultural Economics Association, 2013)
      Cost-effective extension strategies are needed to promote widespread adoption of agricultural technologies in developing countries. Integrated pest management (IPM) practices, for example, can offer economic, health, and ...
    • Broad spectrum immunomodulatory effects of Anopheles gambiae microRNAs and their use for transgenic suppression of Plasmodium 

      Dong, Shengzhang; Fu, Xiaonan; Dong, Yuemei; Simoes, Maria L.; Zhu, Jinsong; Dimopoulos, George (2020-04)
      Malaria, caused by the protozoan parasite Plasmodium and transmitted by Anopheles mosquitoes, represents a major threat to human health. Plasmodium's infection cycle in the Anopheles vector is critical for transmission of ...