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Ideal quant

Taimour Langaee, Lynda Stauffer, Cheryl Galloway, Mohamed H Solayman, Larisa Cavallari
AIMS: Developing genetic and pharmacogenetic panels enhances genetic testing in clinical molecular diagnostics and precision medicine. This study was designed to cross-validate the performance of Canon's multiplex high-resolution DNA melting analysis platform with the Applied Biosystems TaqMan(®)-based Quant Studio Real-Time PCR System and Pyrosequencing(®) genotyping platforms for common genetic polymorphisms of the vitamin K epoxide reductase complex 1 (VKORC1) and CYP2C9. MATERIALS AND METHODS: Genomic DNA isolated from 240 blood and saliva samples was used to genotype the VKORC1-1639 G/A (rs9923231), CYP2C9*2 (430C>T, rs28371674), and CYP2C9*3 (1075A>C, rs1057910) single-nucleotide polymorphisms (SNPs) on the three above-mentioned genotyping platforms...
April 2017: Genetic Testing and Molecular Biomarkers
Suraj D Serai, Jonathan R Dillman, Andrew T Trout
Purpose To determine the agreement of proton density fat fraction (PDFF) measurements obtained with hepatic magnetic resonance (MR) imaging among readers, imager manufacturers, and field strengths. Materials and Methods This HIPAA-compliant study was approved by the institutional review board. After providing informed consent, 24 adult volunteers underwent imaging with one 1.5-T MR unit (Ingenia; Philips Healthcare, Best, the Netherlands) and two different 3.0-T units (750 W [GE Healthcare, Waukesha, Wis] and Ingenia) on the same day to estimate hepatic PDFF...
July 2017: Radiology
Jing Ma, Zhiqiang Song, Fuhua Yan
BACKGROUND: Type II diabetes mellitus usually related to visceral and other organ (ectopic) fat. The purpose of this study was to detect hepatic and pancreatic fat infiltration in type II diabetes mellitus patients using 3.0T magnetic resonance (MR) and to compare the performance of iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL-Quant) with single-voxel proton spectroscopy (H(1)-MRS). METHODS: The study protocol was approved by our Institutional Review Board...
2014: Chinese Medical Journal
Chin-Pin Yeo, Carol Hui-Chen Tan, Edward Jacob
BACKGROUND: Point-of-care-testing (POCT) of haemoglobin Alc (HbA1c) is popular due to its fast turnaround of results in the outpatient setting. The aim of this project was to evaluate the performance of a new HbA1c POCT analyser, the Bio-Rad in2it, and compare it with the Siemens DCA 2000, Bio-Rad Variant II and Roche Tina-quant HbA1c Gen 2 assay on the cobas c501. METHODS: Imprecision of the four methods were compared by computing total imprecision from within-run and between-run data...
September 2009: Annals of Clinical Biochemistry
Roman Aranda, Shauna M Dineen, Rhonda L Craig, Richard A Guerrieri, James M Robertson
Quantification of RNA is essential for various molecular biology studies. In this work, three quantification methods were evaluated: ultraviolet (UV) absorbance, microcapillary electrophoresis (MCE), and fluorescence-based quantification. Viral, bacterial, and eukaryotic RNA were measured in the 500 to 0.05-ng microl(-1) range via an ND-1000 spectrophotometer (UV), Agilent RNA 6000 kits (MCE), and Quant-iT RiboGreen assay (fluorescence). The precision and accuracy of each method were assessed and compared with a concentration derived independently using inductively coupled plasma-optical emission spectroscopy (ICP-OES)...
April 1, 2009: Analytical Biochemistry
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