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1 Brooking, Haisley; Bernard, Philip; Skliar, Mikhail; Zhang, HuananCharacterization of exosomesExosomes are nano-vesicles secreted by cells. They are found in extracellular space and all body fluids. This poster describes the methods for the isolation and characterization of the exosomes and my plans for future research.Cancer--Research2017
2 Wittwer, Carl T.Genotyping accuracy of high-resolution DNA melting instrumentsHigh-resolution DNA melting is a closed-tube method for genotyping and variant scanning that depends on the thermal stability of PCR-generated products. Instruments vary in thermal precision, sample format, melting rates, acquisition, and software. Instrument genotyping accuracy has not been assesse...2014-01-01
3 Wittwer, Carl T.Influence of PCR reagents on DNA polymerase extension rates measured on real-time PCR instrumentsBACKGROUND: Radioactive DNA polymerase activity methods are cumbersome and do not provide initial extension rates. A simple extension rate assay would enable study of basic assumptions about PCR and define the limits of rapid PCR. METHODS: A continuous assay that monitors DNA polymerase extension us...2014-01-01
4 Rockwood, Alan L.Performance enhancement in the measurement of 5 endogenous steroids by LC-MS/MS combined with differential ion mobility spectrometryBackground: Challenges for steroid analysis by LC-MS/MS include low ionization efficiency, endogenous isobars with similar fragmentation patterns and chromatographic retention. Differential ion mobility spectrometry (DMS) provides an additional degree of separation prior to MS/MS detection, and show...2014-01-01
5 Planelles, VicenteKinase control of latent HIV-1 infection: PIM-1 kinase as a major contributor to HIV-1 reactivationDespite the clinical relevance of latent HIV-1 infection as a block to HIV-1 eradication, the molecular biology of HIV-1 latency remains incompletely understood. We recently demonstrated the presence of a gatekeeper kinase function that controls latent HIV-1 infection. Using kinase array analysis w...2014-01-01
6 Dwight, Zachary LawrenceHeterozygote PCR product melting curve predictionMelting curve prediction of PCR products is limited to perfectly complementary strands. Multiple domains are calculated by recursive nearest-neighbor thermodynamics. However, the melting curve of an amplicon containing a heterozygous single nucleotide variant (SNV) after PCR is the composite of four...2014-01-01
7 Dwight, Zachary LawrenceuAnalyze: web-based high-resolution DNA melting analysis with comparison to thermodynamic predictionsAbstract-uAnalyzeSM is a web-based tool for analyzing high-resolution melting data of PCR products. PCR product sequence is input by the user and recursive nearest neighbor thermodynamic calculations used to predict a melting curve similar to uMELT (http://www.dna.utah.edu/umelt/umelt.html). Unproce...2012-01-01
8 Litwin, Christine M.Anti-tuberculosis IgG antibodies as a marker of active mycobacterium tuberculosis diseaseAnti-Mycobacterium tuberculosis IgG antibodies may aid in the diagnosis of active M. tuberculosis disease. We studied whether anti-M. tuberculosis IgG antibodies are elevated in active M. tuberculosis disease and assessed factors contributing to false positive and negative results. A retrospective s...2012-01-01
9 Roberts, William L.Specificity characteristics of 7 commercial creatinine measurement procedures by enzymatic and jaffe method principlesStandardized calibration does not change a creatinine measurement procedure?s susceptibility to potentially interfering substances.2012
10 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
11 Owen, William E.; Roberts, William L.Effects of hemoglobin (Hb) E and HbD traits on measurements of glycated Hb (HbA1c) by 23 methods.Glycohemoglobin (GHB), reported as hemoglobin (Hb) A1c, is a marker of long-term glycemic control in patients with diabetes and is directly related to risk for diabetic complications. HbE and HbDare the second and fourth most common Hb variants worldwide. We investigated the accuracy of HbA1c measur...Glycohemoglobin; GHB; Glycated Hb; Glycemic control2008
12 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
13 Konnick, Eric Q.; Erali, Maria; Ashwood, Edward R.; Hillyard, David R.Comparison of the National Genetics Institute (NGI) HCV Superquant and Roche COBAS Amplicor HCV Monitor, Version 2.0 AssaysChronic Hepatitis C infection is currently recognized as an important health care problem. It is estimated that nearly 4 million Americans are infected, 15 to 20 percent of whom will eventually develop Cirrhosis. Current treatments for Hepatitis C virus (HCV) are limited to alfa-interferon alone or ...Cirrhosis; Patients2000-04-22
14 Owen, William E.; Roberts, William L.Comparable effects of DIGIBIND and DigiFab in thirteen digoxin immunoassaysDigoxin is widely prescribed for the treatment of cardiac conditions (1). Because of its narrow therapeutic range, digoxin-related toxicity resulting from acute or chronic overdose is common. Metabolites of digoxin as well as related compounds, including digitoxin, tanshinones, bufandienolide, a...DIGIBIND; DigiFab; Digoxin immunoassays; Digoxin toxicity2002
15 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
16 Hymas, Weston C.; Hillyard, David R.Description and validation of a novel real-time RT-PCR enterovirus assayEnteroviruses are a leading cause of aseptic meningitis in adult and pediatric populations. We describe the development of a real-time RT-PCR assay that amplifies a small target in the 5' nontranslated region upstream of the classical Rotbart enterovirus amplicon. The assay includes an RNA internal ...RT-PCR enterovirus assay; Rotbart enterovirus amplicon; Aseptic meningitis2008
17 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
18 Jaskowski, Troy D.Screening for antinuclear antibodies by enzyme immunoassayIndirect fluorescent antibody (IFA) is the most widely used method in clinical laboratories to screen for autoantibodies against a wide variety of nuclear antigens. Recently, a number of antinuclear antibody (ANA) enzyme immunoassay (EIA) screens have become commercially available and claim to be an...Antinuclear antibodies; Enzyme immunoassay1996
19 Hansen, Mark S.; Coffin, Cheryl M.; Capecchi, Mario R.Pax3:Fkhr interferes with embryonic Pax3 and Pax7 function: implications for alveolar rhabdomyosarcoma cell of origin.To investigate the role of the translocation-associated gene Pax3:Fkhr in alveolar rhabdomyosarcomas, we generated a Cre-mediated conditional knock-in of Pax3:Fkhr into the mouse Pax3 locus. Exploring embryonic tumor cell origins, we replaced a Pax3 allele with Pax3:Fkhr throughout its expression do...Neuroprogenitor; Embryogenesis2004-11-01
20 Jaskowski, Troy D.Comparison of capillary zone and immunosubtraction with agarose gel and immunofixation electrophoresis for detecting and identifying monoclonal gammopathiesCapillary zone electrophoresis (CZE) and immunosubtraction electrophoresis (ISE) were evaluated for ability to detect and immunotype monoclonal proteins, compared with agarose gel electrophoresis (AGE) and immunofixation electrophoresis (IFE), respectively. Six hundred seventeen serum samples wer...Capillary zone electrophoresis; Immunosubtraction electrophoresis; CZE; ISE; Monoclonal protein electrophoresis; Serum protoin electrophoresis; Agarose gel; Dysproteinemias1999
21 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
22 Aldous, Jay A.; Engar, Richard C.Do dentists prescribe narcotics excessively?Dealing with pain is an inevitable sequela to dental treatment. Although several drug regimens primarily involving narcotics have been used in the past, availability of nonsteroidal anti-inflammatory drugs (NSAIDs) has increased recently. A study was conducted to analyze dental prescribing patterns ...Analgesics, Opioid; Anti-Inflammatory Agents; Dentist's Practice Patterns; Pain, Postoperative1996-07-01
23 Digre, Kathleen B.; Gouw, Launce G.; Harris, Catherine P.; Haines, John H.; Ptacek, L.J.Autosomal dominant cerebellar ataxia with retinal degeneration: clinical, neuropathologic, and genetic analysis of a large kindred.The autosomal dominant cerebellar ataxias (ADCA) comprise a heterogeneous group of neurologic disorders characterized by degeneration of the cerebellum, spinal cord, and brainstem. Genetic analysis has revealed two loci, SCA1 on chromosome 6p, and SCA2 on chromosome 12q, responsible for some ADCA. W...Retinal Degeneration; Cerebellar Ataxia; Genetic Analysis1994-08
24 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
25 Owen, William E.; Roberts, William L.Performance characteristics of four automated natriuretic peptide assaysMeasurement of circulating B-type natriuretic peptide (BNP) and N-terminal proBNP (NT-proBNP) can identify patients with heart failure and guide therapy. The limit of detection, linearity, imprecision, method comparison, analytic concordance, and reference intervals of the Access 2 BNP (Biosite, San...Natriuretic peptide assays; BNP2005
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