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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 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
10 Smith, A. Gordon; Singleton, J. RobinsonLifestyle intervention for pre-diabetic neuropathy.OBJECTIVE: The purpose of this study was to evaluate intraepidermal nerve fiber density (IENFD) as a sensitive measure of neuropathy change in patients with neuropathy associated with impaired glucose tolerance (IGT) receiving lifestyle intervention based on that used in the Diabetes Prevention Prog...Older people; Biopsy; Blood Pressure; Body Mass Index; Cholesterol; Diabetic Diet2006-06-29
11 Digre, Kathleen B.; Blumenthal, Deborah T.; Cessna, Melissa H.; Gopez, Evelyn V.; Shen, YueCarcinomatous meningitis as the presenting manifestation of gallbladder carcinoma: case report and review of the literatureThe primary tumors that typically cause carcinomatous meningitis include lung cancer, breast cancer, leukemia, lymphoma and melanoma. A variety of neurological signs and symptoms can be seen depending on the extent and location of the meningeal metastasis. Once the diagnosis of carcinomatous meningi...Carcinomatous Meningitis; Gallbladder Carcinoma; Leptomeningeal Metastasis; Meningeal Carcinomatosis; Cranial Neuropathy2004-10
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 Owen, William E.; Roberts, William L.Performance characteristics of four immunonephelometric assays for the quantitative determination of IgA and IgM in cerebrospinal fluidMeasurement of IgA and IgM in cerebrospinal fluid (CSF) can be useful in the diagnosis of multiple sclerosis and other central nervous system disorders. The Dade Behring (Deerfield, IL) N Latex IgA and N Latex IgM tests on the BN II System and Beckman Coulter (Brea, CA) low-concentration IgA an...IgA; IgM; Immunonephelometric assays; Imprecision; Method comparison; Reference interval2003
22 Jaskowski, Troy D.Determination of cytokine responses using a multiplexed fluorescent microsphere immunoassayWe used a multiplexed fluorescent microsphere immunoassay to develop a sandwich capture assay to assess simultaneously the production of thymus helper (TH) 1- and TH2-type cytokines in tissue culture supernatant obtained from stimulated peripheral blood mononuclear cells. The assay then was use...Multiplexed fluorescent microsphere immunoassay2002
23 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
24 Owen, William E.; Roberts, William L.Comparison of five automated serum and whole blood folate assaysSerum and whole blood folate measurements are used to establish folate deficiency. Most methods used in clinical laboratories are automated, nonisotopic methods that use folate-binding protein. Linearity, imprecision, and method comparison studies, including serum and whole blood hemolysates, wer...Folate assays; Serum folate; Whole blood folate; Automated assays2003
25 Hymas, Weston C.Ultrasonic enhancement of antibiotic action on several species of bacteriaThe effect of the antibiotics gentamicin, streptomycin, kanamycin, tetracycline, and ampicillin on planktonic cultures of Enterobacter aerogenes, Serratia marcescens, Salmonella derby, Streptococcus mitis, and Staphylococcus epidermidis with and without an application of 70 kHz ultrasound was studi...Enterobacter aerogenes; Serratia marcescens; Salmonella derby; Streptococcus mitis; Staphylococcus epidermidis; Planktonic cultures; Gentamicin; Streptomycin; Kanamycin; Tetracycline; Ampicillin; Ultrasonic enhancement; Bioacoustic effect1998
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