26 - 50 of 84
Number of results to display per page
CreatorTitleDescriptionSubjectDate
26 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
27 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
28 Effects of calcium ions on L-type horizontal cells in the isolated turtle retinaA technique by which the retina can be isolated from the turtle eye is described. Scanning electron microscopy revealed morphological variability between preparations and also between regions of the same one. Large areas were often totally free of any pigment epithelial cells, yet contained a high p...Retina; Calcium; Horizontal Cell; Turtle1990
29 Evaluation of a PCR probe capture assay for the detection of Toxoplasma gondii: incorporation of uracil N-glycosylase for contamination controlToxoplasma gondii is a cyst-forming parasite of clinical relevance in humans primarily because of the neurologic abnormalities it can cause. In some clinical circumstances, it is desirable to detect the pathogen directly. We modified a commercially available Toxoplasma polymerase chain reaction...PCR probe capture assay; Uracil N-glycosylase; UNG2000
30 Differentiation of species within mycobacterium tuberculosis complex by real-time PCR-based genomic deletion analysisDifferentiation of members within Mycobacterium tuberculosis complex (MTC) is essential for patient management and infection control. MTC is comprised of M. tuberculosis (Mtb), M. bovis (Mb), M. bovis BCG (vaccine strain; Mbcg), M. africanum (Ma), and M. microti (Mm). Because MTC have highly similar...MTC; species differentiation; Mycobacterium bovis BCG; Mycobacterium africanum; Mycobacterium microtic; PCR2006-01-09
31 Mass spectrometry for steroids, immunosuppressants, and other clinical applicationsPresentation slides on matching mass spectrometry technology to clinical applications.Immunosuppressants2005-07-26
32 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
33 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
34 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
35 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
36 Real time RT-PCR assay for norovirus detection with eclipse probes and a non-competitive internal control.Noroviruses are the major causative agents of nonbacterial gastroenteritis worldwide and are estimated to cause approximately 23 million cases in the United States annually. Real time RT-PCR is rapidly becoming the principle diagnostic means for norovirus detection due to its enhanced sensitivity an...Gastroenteritis; Eclipse Hybridization Probes; Norovirus2005-05-03
37 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
38 Evaluation of the COBAS HBV TaqMan Analyte Specific Regent (ASR) Assay and Comparison to the COBAS Amplicor HBV Monitor Assay.erformance characteristics of the COBAS HBV TaqMan ASR (TaqMan) assay were evaluated and compared to the COBAS Amplicor HBV Monitor test (Amplicor) assay for the quantification of HBV DNA in clinical samples.Quantitative Tests; Linearity Studies2004-05-03
39 Single tube real-time RT-PCR Assay for the detection of enterovirusWe developed a rapid and sensitive method for the routine detection of enterovirus in CSF and plasma using a one tube, one step, real-time PCR assay. A primer set and an Eclipse probe were designed to target the highly conserved 5' untranslated region of the enterovirus genome. This assay was compar...MGB Eclipse; Viral RNA; Picornaviridae2004-09-11
40 Evaluation of the Alliance HCV Quantitative Analyte Specific Reagent (ASR) Assay and Comparison to the COBAS HCV TaqMan ASR Assay.To evaluate the Abbott/Celera Alliance HCV Quantitative ASR (Alliance) assay using the Qiagen BioRobot 9604 and QiaAmp Virus Kit for viral RNA isolation. And compare Alliance HCV TaqMan ASR to the Roche COBAS HCV TaqMan ASR (CTM) assay calibrated using Armored RNA solutions and WHO 2nd international...Quantitative Tests; Linearity Studies2004-05-10
41 Performance Characteristics of the COBAS HCV TaqMan ASR Using Armored RNA CalibratorsAs improved therapies have become available for Hepatititis C Virus (HCV) infection, the use of assays to quantitate HCV RNA has increased dramatically (3, 14, 16). The initial use of these assays was to predict the likelihood of therapy based on baseline HCV RNA levels. These reports indicated that...Roche Amplicor Monitor; NGI Superquant; patients2003-04-22
42 Performance characteristics of the COBAS HCV TaqMan ASR and Comparison to the COBAS Amplicor HCV Monitor, Version 2.0 and Versant HCV bDNA 3.0.Evaluate the COBAS HCV TaqMan ASR assay using both the Qiagen BioRobot 9604 and a 1mL extraction protocol for HCV RNA isolation. And Compare the COBAS TaqMan HCV ASR assay to the COBAS Amplicor HCV Monitor, Version 2.0 and Versant HCV bDNA 3.0 assays.Quantitative Tests; Linearity Studies2002-11-21
43 Quantitative real time PCR assay for the detection of human herpes 6.Human herpes virus type 6 is a beta virus that occurs as two variants (A & B) and infects nearly 100% of the population before two years of age. Primary infections in children can produce fever and a unique lacy rash that gives the disease its name: roseola. The rare primary infection in adults can ...Probe Technology; Roseola Infantum2005-02-05
44 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
45 Laboratory driven, lean-to-adaptive prototyping in Parallel for Web software project identification and application development in health science researchClinical research laboratories, bioinformatics core facilities, and health science organizations often rely on heavy planning based software development models to propose, build, and distribute software as a consumable product. Projects in non-agile software life cycles tend to have rigid ?plan-desi...2012
46 Development and validation of an automated thawing and mixing workcellWorking toward a goal of total laboratory automation, we are automating manual activities in our highest volume laboratory section. Because half of all specimens arriving in this laboratory section are frozen, we began by developing an automated workcell for thawing frozen specimens and mixing the t...Automated workcell; Laboratory automation2007
47 Evaluation of the COBAS HBV TaqMan Analyte Specific Regent (ASR) and COBAS HCV TaqMan ASR Assays using the Vidiera NSP sample preparation instrument.The Vidiera Nsp nucleic sample preparation instrument (Vidiera,Beckman-Coulter Inc., Fullerton CA) was evaluated using the COBAS HBV TaqMan Analyte Specific Reagent (ASR. Roche Molecular Diagnostics [RMD], Indianapolis, IN) and COBAS HCV TaqMan ASR (RMD) assays using clinical samples and HCV Armored...Quantitative Tests; Linearity Studies2006-05-05
48 Effects of hemoglobin C and S traits on the results of 14 commercial glycated hemoglobin assaysGlycated hemoglobin is widely used in the management of diabetes mellitus. At least 300,000 Americans with diabetes mellitus have the hemoglobin (Hb) C or S trait. The accuracy of HbA1c methods can be adversely affected by the presence of these traits. We evaluated the effects of HbC and HbS traits ...Glycated hemoglobin assays; Hemoglobin C trait; Hemoglobin S trait2008
49 Assessment of the utility of viral culture of cerebrospinal fluidNucleic acid amplification testing is the preferred method to detect enteroviruses and Herpesviridae in cerebrospinal fluid, but clinicians still request viral culture. Review of 22,394 viral cultures of cerebrospinal fluid samples found that <0.1% recovered nonenterovirus, non-Herpesviridae species...Enterovirus Infections; Herpesviridae Infections; Virus Cultivation2006-12-15
50 Cross-reactivity of three recombinant insulin analogs with five commercial insulin immunoassaysSeveral new insulin analogs that are prepared with recombinant DNA technology are available for clinical use [for a recent review, see Ref. (1)]. These agents have altered pharmacokinetics compared with regular human insulin. Insulin aspart (Novo-LogTM; Novo Nordisk Pharmaceuticals) is homologous ...Insulin analogs; Insulin immunoassays; Cross-reactivity2004
26 - 50 of 84