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CreatorTitleDescriptionSubjectDate
26 Konnick, Eric Q.; Ashwood, Edward R.; Hillyard, David R.; Comanor, Lorraine; Di Canzio, JamesEvaluation of the Versant ? HBV DNA 3.0 Assay (bDNA)+ and comparison with the Cobastm HBV Taqman Analyte Specific Reagent Assay.To evaluate the performance characteristics of the Versant ? HBV DNA 3.0 assay (bDNA)+ (Versant, Bayer Healthcare LLC, Tarrytown, NY). 2.) To compare the Versant assay to the COBAS HBV TaqMan Analyte Specific Reagent assay (TaqMan) (Roche Molecular Systems, Pleasanton, CA) using random and defined p...International Standard; HBV DNA Tests2005-05-07
27 Seipp, Michael; Williams, Jamie; Meadows, Cindy; Wittwer, Carl T.Multiplex solution genotyping without probes of the factor V Leiden (G1691A), Prothrombin (G20210A), and MTHFR (C677T and A1298C) mutations in one tube by single color high-resolution melting analysisThis poster describes a study which concludes that genotyping by amplicon melting is a rapid, closed-tube method for genotyping without probes that can be multiplexed. The method was successfully applied to the four most common clotting factor mutations in a single tube. The simplicity of the method...Genotyping; Amplicon Melting2005-06
28 Vaughn, Cecily P.; Crockett, David K.; Lim, Megan S.; Elenitoba-Johnson, Kojo S.J.Analytical characteristics of ICAT-LC-MS/MS for quantitative proteomics studiesRecent studies have employed isotope-coded affinity tags (ICAT) in concert with tandem mass spectrometry (MS/MS) to assess differential expression of proteins on a proteomic scale and perform unbiased quantitative comparisons between samples from different physiological or disease states. We sought ...isotope-coded affinity tags; ICAT; mass spectrometry; MS/MS; proteomic scale; FL2005-06-03
29 Jaskowski, Troy D.; Litwin, Christine M.; Hill, Harry R.Laboratory diagnosis of Inflammatory Bowel Disease (IBD)Study to compare the results obtained by two separate reference libraries for serological assays utlilized in the diagnosis and differentiation of Crohn's disease and ulcerative colitis, and to assess the clinical utility of the outer-membrane porin C (OmpC) IgA assay in IBD.IBD2005-06-17
30 Seipp, Michael; Williams, Jamie; Meadows, Cindy; Wittwer, Carl T.Multiplex solution genotyping without probes of the factor V Leiden (G1691A), Prothrombin (G20210A), and MTHFR (C677T and A1298C) mutations in one tube by single color high-resolution melting analysis [abstract]This abstract describes a study which concludes that genotyping by amplicon melting is a rapid, closed-tube method for genotyping without probes that can be multiplexed. The method was successfully applied to the four most common clotting factor mutations in a single tube. The simplicity of the meth...Genotyping; Amplicon Melting2005-06-22
31 Margraf, Rebecca L.; Mao, Rong; Highsmith, W. Edward; Holtegaard, Leonard; Wittwer, Carl T.Masking selected sequence variation by incorporating mismatches into melting analysis probesHybridization probe melting analysis can be complicated by the presence of sequence variations (benign polymorphisms or other mutations) near the targeted mutation. We investigated the use of 'masking' probes to differentiate alleles with similar probe melting temperatures. Selected sequence variati...probe hybridization; high-resolution melting analysis; masking; RET2005-06-28
32 Owen, William E.; Roberts, William L.Performance characteristics of an HPLC method for Urinary AlbuminMicroalbuminuria is a marker of early diabetic nephropathy and cardiovascular risk. Immunoassays for urinary albumin can underestimate the amount of intact albumin present in urine. The purpose of this study was to evaluate a new urinary albumin assay that employs size exclusion HPLC with UV detecti...MA; Microalbuminuria; HPLC2005-07-06
33 Hymas, Weston C.; Hillyard, David R.Novel one step real time RT-PCR Assay for the detection of Enterovirusnteroviruses (EV) are the leading cause of aseptic meningitis in pediatric and adult populations and can be associated with severe disease such as myocarditis, encephalitis, and paralytic poliomyelitis. RT-PCR has rapidly become the diagnostic methodology of choice due to its sensitivity and rapid t...Viruses; Isolation; Purification2005-07-11
34 Slev, Patricia R.; Rawlins, Mindy, L.; Roberts, William L.Performance characteristics of seven automated CA 15-3 methodsPoster describing studies to evaluate seven automated methods for the following parameters: limit of detection, linearity, imprecision, reference intervals and method comparison with the ADVIA Centaur as the comparison method to detect CA 15-3.CA 15-3 Method2005-07-13
35 Erickson, J. Alan; Ashwood, Edward R.Evaluation of an enzyme-linked binding protein assay for hyaluronic acid and concentrations in hepatitis C infected patientsSerological hyaluronic acid (HA) has been proposed as a noninvasive alternative to liver biopsy for assessing the extent of liver fibrosis. Liver biopsy correctly identifies hepatic disease in about 65 to 75% of cases, being strongly dependent on the length of the biopsy obtained. Furthermore, hepat...Hyaluronic Acid Concentration; Corgenix HA assay2005-07-21
36 Rockwood, Alan L.Mass spectrometry for steroids, immunosuppressants, and other clinical applicationsPresentation slides on matching mass spectrometry technology to clinical applications.Immunosuppressants2005-07-26
37 Stevenson, Jeffery B.; Hillyard, David R.Quantitative real time PCR assay for detecting EBV virus in multiple sample types.We are developing a real time quantitative PCR assay to detect EBV in serum, plasma, whole blood, tissue and spinal fluid. Real time PCR, with its intrinsic quantitative capacity, is an excellent method for measuring EBV viral load. Epstein Barr virus is a member of the Herpesvirus family, with a tr...Eclipse Probes; EBV Primer2005-08-11
38 Mongia, Shella K.; Rawlins, Mindy, L.; Owen, William E.; Roberts, William L.Performance characteristics of seven automated CA125 assaysAuthor manuscript. Cancer antigen 125 (CA125) is a high molecular mass glycoprotien, which is used as tumor marker to monitor disease progression, response to therapy and in early detection of recurrence after treatment for ovarian cancer. The Access 2, ADVIA Centaur, ARCHITECT i2000, AxSYM, Elecsys...CA125 assays2005-08-29
39 Cloud, Joann L.; Dunn, Jim; Hoggan, Karen; Wilson, Deborah; Iwen, Peter; Lasala, Paul; Hall, Geri; Woods, Gail L.Sequence-based identification of gram negative nonfermenters using commercial 16S rDNA databasesThis poster presents a study assessing the validity of the databases from two commercial systems were compared for the identification of NF. Background: Identification of gram negative nonfermenters (NF) from cultured human specimens is often difficult using traditional phenotypic methods. Partial 1...MicroSeq500; Virodec2005-08-29
40 Cloud, Joann L.; Hoggan, Karen; Cohen, Samuel; Brown-Elliott, Barbara A.; Mann, Linda; Wilson, Rebecca; Aldous, Wade K.; Wallace, Jr, Richard J.; Woods, Gail L.Differentiation of mycobacterium chelonae and M. abscessus using SmartCycler PCR and MGB eclipse probesThis poster discusses how the use of partial 16S rDNA sequencing (first one-third of the gene) for the identification of Mycobacterium species from cultured isolates has become recognized as a very accurate method for identification. The distinction between M. chelonae and M. abscessus, however, is ...MGB Eclipse System; SmartCycler PCR; Mycobacterium abscessus2005-09-05
41 Parker, Sam; Stevenson, Jeffery B.; Hillyard, David R.Eclipse probe assay for the detection of mycoplasma pneumoniae.Mycoplasma pneumoniae is an important human pathogen that causes community acquired pneumonias and upper respiratory tract infections. Traditional detection techniques, such as culture and serology, cannot rapidly aid in the diagnosis of an acute infection with adequate sensitivity and specificity. ...Eclipse Hybridization Probe; Protocol; Techniques2005-09-11
42 Erickson, J. Alan; Aldeen, William E.; Ashwood, Edward R.Evaluation of a fecal pancreatic elastase-1 enzyme-linked immunosorbent assay: assessment versus an established assay and implication in classifying pancreatic functionDisagreement continues regarding the two commercially available fecal pancreatic elastase-1 (PE-1) ELISAs and their respective capabilities to assess pancreatic function. Our objectives were to validate the newer PE-1 ELISA and evaluate the test against the previously established assay, to investiga...PE-1; pancreatic elastase-1; FDA; AMR; analytical measurement range; BioServ Diagnostics PE-1ELISA; ScheBo Biotech PE-1ELISA2005-09-25
43 Margraf, Rebecca L.; Mao, Rong; Wittwer, Carl T.Masking techniques: masking selected sequence variation by incorporating mismatches into melting analysis probesHybridization probe melting analysis can be complicated by the presence of sequence variation (non-pathogenic polymorphisms or other mutations) near the targeted mutation. We investigated the use of 'masking' probes to differentiate alleles with similar probe melting temperatures. Materials and Meth...probe hybridization; high-resolution melting analysis; masking; RET2005-10-21
44 Herrmann, Mark G.; Durtschi, Jacob; Bromley, L. Kathryn; Voelkerding, Karl V.Cross platform comparison of melting curve analysisMelting analysis of PCR product was first performed on the LightCycler 10 years ago. Now, melting analysis is a standard function on all real-time PCR instruments. Recent advances in DNA melting analysis, including high resolution melting and specialized dyes, have increased the capabilities of melt...PCR; SNP; SYBR Green I; LC Green Plus; high-resolution melting; mutation scanning; amplicon genotyping2005-11-04
45 Hymas, Weston C.; Hillyard, David R.Novel one step real time RT-PCR assay for the detection of Enterovirus, AThis poster describes the development of a novel real time assay that utilizes primers and an Eclipse probe in an overlapping format upstream of the Rotbart amplicon.RT-PCR Assay2005-11-08
46 Cloud, Joann L.; Meyer, Jay J.; Pounder, June I.; Woods, Gail L.Mycobacterium arupense sp. nov., a novel moderately growing nonchromogenic bacterium isolated from clinical specimensThis author manuscript discusses how several isolates of Mycobacterium species related to the M. terrae complex have been isolated from clinical samples. In the clinical microbiology laboratory, partial 16S rRNA gene sequencing (approximate first 500 base pairs) is often used to identify Mycobacteri...Mycobacterium arupense; Mycobacterium nonchromogenicum; Mycobacterium terrae; Mycobacterium triviale; MCRO 62005-11-22
47 Erickson, J. Alan; Smith, Jeffrey, J.; Bornhorst, Joshua A.; Ashwood, Edward R.Humananti-mouse antibody protected ELISA for the quantification of squamous cell carcinoma antigenSquamous cell carcinoma antigen (SCC) was first isolated from squamous cell carcinoma tissue of the uterine cervix and initially reported as TA-4. The antigen has been characterized as a glycoprotein with a molecular weight between 45,000 and 55,000 daltons. Studies suggest that SCC may function as ...SCC; Squamous Cell Carcinoma Antigen; BSA; PBS; Phosphate Buffered Saline; HAMA; Human Anti-mouse Antibodies; IIR; ImmunoglobulinInhibiting Reagent2005-12-09
48 Petti, Cathy A.Role of the laboratory in diagnosis of influenza during seasonal epidemics and potential pandemicsLaboratory diagnosis of influenza is critical to its treatment and surveillance. With the emergence of novel and highly pathogenic avian influenza viruses, the role of the laboratory has been further extended to include isolation and subtyping of the virus to monitor its appearance and facilitate ap...Antibodies, Viral; Antigens, Viral; RNA, Viral2006
49 Owen, William E.; Martins, Thomas B.; Litwin, Christine M.; Roberts, William L.Performance characteristics of six IMMULITE 2000 TORCH assaysTORCH is an acronym for Toxoplasma gondii (Toxo), other microorganisms (like syphilis), rubella (RV), cytomegalovirus (CMV), and herpesviruses (HSV) that are associated with congenital abnormalities during maternal infection. Prenatal testing for antibodies against these agents is one tool for preve...TORCH; Toxoplasma gondii; syphilis virus; rubella; cytomegalovirus; herpesvirus; IMMULITE 2000; congenital abnormalities; laboratory testing2006-01-04
50 Pounder, June I.; Simmon, Keith E.; Barton, Claudia A.; Hohmann, Sheri L.Identification of nonsporulating molds by sequencing internal transcribed spacer regions with Virodec software and databaseFungal infections are increasing, particularly among immunocompromised hosts, and a rapid, accurate diagnosis is essential for the initiation of targeted antifungal therapy. Identification of fungi from culture requires the presence of reproductive structures, and the absence of spores can increase ...nonsporulating molds; genetic sequencing; Virodec; ITS I; ITS II2006-01-09
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