Search Results - "Schaefer, Frank W"

Recovery Efficiency and Limit of Detection of Aerosolized Bacillus anthracis Sterne from Environmental Surface Samples by Estill, Cheryl Fairfield, Baron, Paul A, Beard, Jeremy K, Hein, Misty J, Larsen, Lloyd D, Rose, Laura, Schaefer, Frank W. III, Noble-Wang, Judith, Hodges, Lisa, Lindquist, H.D. Alan, Deye, Gregory J, Arduino, Matthew J

“…After the 2001 anthrax incidents, surface sampling techniques for biological agents were found to be inadequately validated, especially at low surface…”
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Enhanced survival but not amplification of Francisella spp. in the presence of free-living amoebae by Buse, Helen Y, Schaefer, III, Frank W, Rice, Eugene W

“…Transmission of Francisella tularensis, the etiologic agent of tularemia, has been associated with various water sources. Survival of many waterborne pathogens…”
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Molecular characterization of microsporidia indicates that wild mammals harbor host-adapted Enterocytozoon spp. as well as human-pathogenic Enterocytozoon bieneusi by Sulaiman, I.M, Fayer, R, Lal, A.A, Trout, J.M, Schaefer, F.W. III, Xiao, L

“…Over 13 months, 465 beavers, foxes, muskrats, otters, and raccoons were trapped in four counties in eastern Maryland and examined by molecular methods for…”
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Detection of Toxoplasma gondii Oocysts in Water Sample Concentrates by Real-Time PCR by Yang, Wenli, Lindquist, H.D. Alan, Cama, Vitaliano, Schaefer, Frank W. III, Villegas, Eric, Fayer, Ronald, Lewis, Earl J, Feng, Yaoyu, Xiao, Lihua

“…PCR techniques in combination with conventional parasite concentration procedures have potential for the sensitive and specific detection of Toxoplasma gondii…”
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Optimization of a sample processing protocol for recovery of Bacillus anthracis spores from soil by Silvestri, Erin E., Feldhake, David, Griffin, Dale, Lisle, John, Nichols, Tonya L., Shah, Sanjiv R., Pemberton, Adin, Schaefer, Frank W.

“…Following a release of Bacillus anthracis spores into the environment, there is a potential for lasting environmental contamination in soils. There is a need…”
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Genotypes of Cryptosporidium Species Infecting Fur-Bearing Mammals Differ from Those of Species Infecting Humans by LING ZHOU, FAYER, Ronald, TROUT, James M, RYAN, Una M, SCHAEFER, Frank W, LIHUA XIAO

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Review of processing and analytical methods for Francisella tularensis in soil and water by Silvestri, Erin E, Perkins, Sarah D, Rice, Eugene W, Stone, Harry, Schaefer, Frank W., III

“…The etiological agent of tularemia, Francisella tularensis, is a resilient organism within the environment and can be acquired in many ways (infectious…”
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Evaluation of swabs and transport media for the recovery of Yersinia pestis by Gilbert, Sarah E., Rose, Laura J., Howard, Michele, Bradley, Meranda D., Shah, Sanjiv, Silvestri, Erin, Schaefer, Frank W., Noble-Wang, Judith

“…The Government Accountability Office report investigating the surface sampling methods used during the 2001 mail contamination with Bacillus anthracis brought…”
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Characterization of a single dose methylprednisolone acetate immune suppression model using Cryptosporidium muris and Cryptosporidium parvum by Miller, Thomas A., Schaefer, Frank W.

“…An immunosuppressive dose of methylprednisolone acetate (MPA) was compared with a non-immunosuppressive dose using Cryptosporidium oocyst production as an…”
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Using quantitative reverse transcriptase PCR and cell culture plaque assays to determine resistance of Toxoplasma gondii oocysts to chemical sanitizers by Villegas, Eric N., Augustine, Swinburne A.J., Villegas, Leah Fohl, Ware, Michael W., See, Mary Jean, Lindquist, H.D. Alan, Schaefer, Frank W., Dubey, J.P.

“…Toxoplasma gondii oocysts are highly resistant to many chemical sanitizers. Methods used to determine oocyst infectivity have relied primarily on mouse,…”
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Effects of Seeding Procedures and Water Quality on Recovery of Cryptosporidium Oocysts from Stream Water by Using U.S. Environmental Protection Agency Method 1623 by FRANCY, Donna S, SIMMONS, Otto D, WARE, Michael W, GRANGER, Emma J, SOBSEY, Mark D, SCHAEFER, Frank W

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Blind trials evaluating in vitro infectivity of Cryptosporidium oocysts using cell culture immunofluorescence by Bukhari, Zia, Holt, David M, Ware, Michael W, Schaefer, 3rd, Frank W

“…An optimized cell culture immunofluorescence (IFA) procedure, using the HCT-8 cell line, was evaluated in blind trials to determine the sensitivity and…”
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Concentration and Detection of Cryptosporidium Oocysts in Surface Water Samples by Method 1622 Using Ultrafiltration and Capsule Filtration by SIMMONS, Otto D, SOBSEY, Mark D, HEANEY, Christopher D, SCHAEFER, Frank W, FRANCY, Donna S

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Changes in mouse circulating leukocyte numbers in C57BL/6 mice immunosuppressed with dexamethasone for Cryptosporidium parvum oocyst production by Miller, Thomas A., Schaefer, Frank W.

“…The Iowa strain of Cryptosporidium parvum will not propagate in immunocompetent mice, but will successfully infect genetically immunocompromised nude or SCID…”
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An Improved Method for the Analysis of Cryptosporidium parvum Oocysts by Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry by GLASSMEYER, SUSAN T., WARE, MICHAEL W., SCHAEFER III, FRANK W., SHOEMAKER, JODY A., KRYAK, DAVID D.

“…Cryptosporidium parvum oocysts were analyzed using matrix‐assisted laser desorption/ionization–time of flight mass spectrometry (MALDI–TOF MS). Sample…”
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Evaluation of an alternative IMS dissociation procedure for use with Method 1622: detection of Cryptosporidium in water by Ware, Michael W., Wymer, Larry, Lindquist, H.D.Alan, Schaefer, Frank W.

“…U.S.EPA Methods 1622 and 1623 are used to detect and quantify Cryptosporidium oocysts in water. The protocol consists of filtration, immunomagnetic separation…”
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Detection of Cyclospora cayetanensis using a quantitative real-time PCR assay by Varma, Manju, Hester, Jeff D, Schaefer, Frank W, Ware, Michael W, Lindquist, H.D.Alan

“…Cyclospora cayetanensis, a coccidian parasite, with a fecal–oral life cycle, has become recognized worldwide as an emerging human pathogen. Clinical…”
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Chemically and genetically immunocompromised mice are not more susceptible than immunocompetent mice to infection with Cryptosporidium muris by Miller, Thomas A., Ware, Michael W., Wymer, Larry J., Schaefer, Frank W.

“…The prevailing paradigm is that immunosuppressed individuals are more susceptible to infection and are at higher risk of infection from Cryptosporidium oocysts…”
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Characterization of a Cryptosporidium muris infection and reinfection in CF-1 mice by Miller, Thomas A., Schaefer, Frank W.

“…To establish control values for circulating cells and immune associated organs over the course of a self-limiting Cryptosporidium muris infection and…”
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Methylprednisolone acetate immune suppression produces differing effects on Cryptosporidium muris oocyst production depending on when administered by Miller, Thomas A., Schaefer, Frank W.

“…At different times after inoculation with Cryptosporidium muris, infected CF-1 female mice were immunosuppressed with a single subcutaneous dose of…”
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