نتایج جستجو برای: cobas amplicor monitor test

تعداد نتایج: 883872  

Journal: :Medical archives 2016
Azra Husic-Selimovic Amela Sofic Jasminko Huskic Deniz Bulja

INTRODUCTION Renin-angiotenzin system (RAS) is frequently activated in patients with chronic liver disease. Angiotenzin - II (AT-II), produced by angiotenzin converting enzyme (ACE), has many physiological effects, including an important role in liver fibrogenesis. Combined antiviral therapy with PEG-IFN and ribavirin besides its antiviral effect also leads to a reduction in liver parenchyma fi...

Journal: :Indian journal of medical microbiology 2009
P Desikan S De P Mishra A Jain N Panwalkar M Verma K K Maudar

Most published studies on performance characteristics of the COBAS AMPLICOR (CA) system and Real Time PCR (RT-PCR) for detection of Mycobacterium tuberculosis have been carried out in countries other than India.[1] Strains of M. tuberculosis are known to vary in their genomic structure between geographical regions. Performance characteristics of these tests have not been determined on locally p...

2017
Viviane D Lima Lu Wang Chanson Brumme Lang Wu Julio S G Montaner P Richard Harrigan

BACKGROUND Plasma HIV-1 RNA levels (pVLs), routinely used for clinical management, are influenced by measurement error (ME) due to physiologic and assay variation. OBJECTIVE To assess the ME of the COBAS HIV-1 Ampliprep AMPLICOR MONITOR ultrasensitive assay version 1.5 and the COBAS Ampliprep Taqman HIV-1 assay versions 1.0 and 2.0 close to their lower limit of detection. Secondly to examine ...

Journal: :Journal of clinical microbiology 2004
Chihiro Morishima Minjun Chung Ka Wing Ng Donald J Brambilla David R Gretch

The sensitivity of the Roche COBAS Monitor v.2.0 test was slightly better than that of the Bayer bDNA 3.0 test, but the Monitor test underquantified specimens by 2.5- to 10.6-fold even at relatively low hepatitis C virus RNA concentrations. Dilution prior to assay minimally decreased the reproducibility of the Monitor assay, leading to the recommendation for all specimens to be diluted 1:100 pr...

Journal: :Journal of clinical microbiology 2000
L Schaade P Kockelkorn K Ritter M Kleines

Detection of human cytomegalovirus (CMV) DNA in clinical specimens is considered a cornerstone in the diagnosis of CMV disease. The aim of this study was to evaluate a newly designed LightCycler-based quantitative CMV PCR. Specimens of human origin (n = 200) were tested using the LightCycler PCR, the quantitative COBAS AMPLICOR CMV MONITOR (CACM) assay, and a qualitative in-house PCR assay for ...

Journal: :Journal of clinical microbiology 2007
Kathy A Mangold MaryAnn Regner Mohammed Tajuddin Aamair M Tajuddin Lawrence Jennings Hongyan Du Karen L Kaul

Screening assays for Neisseria gonorrhoeae exhibit low positive predictive values, particularly in low-prevalence populations. A new real-time PCR assay that detects and identifies individual Neisseria spp. using melt curve analysis was compared to two previously published supplementary assays. NsppID, a 16S rRNA real-time PCR/melt curve assay developed to distinguish N. gonorrhoeae from other ...

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