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PubMed Journals Articles About "Beckman Coulter, Inc." RSS

15:44 EST 14th December 2017 | BioPortfolio

Beckman Coulter, Inc. PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Beckman Coulter, Inc. articles that have been published worldwide.

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Showing "Beckman Coulter" PubMed Articles, all 15

Performance verification of the new fully automated Aquios flow cytometer PanLeucogate (PLG) platform for CD4-T-lymphocyte enumeration in South Africa.

The National Health Laboratory Service (NHLS) offers wide-scale CD4 testing through a network of laboratories in South Africa. A new "load and go" cytometer (Aquios CL, Beckman Coulter), developed with a PLG protocol, was validated against the predicate PLG method on the Beckman Coulter FC500 MPL/CellMek platform.


Analytical evaluation of the new Beckman Coulter Access high sensitivity cardiac troponin I immunoassay.

This study was aimed to evaluate the analytical performance of the novel chemiluminescent and fully-automated Beckman Coulter Access hsTnI high-sensitivity immunoassay for measurement of cardiac troponin I (cTnI).

A European multicientre study on the comparison of HIV-1 viral loads between VERIS HIV-1 Assay and Roche COBAS® TAQMAN® HIV-1 test, Abbott RealTime HIV-1 Assay, and Siemens VERSANT HIV-1 Assay.

Viral load monitoring is essential for patients under treatment for HIV. Beckman Coulter has developed the VERIS HIV-1 Assay for use on the novel, automated DxN VERIS Molecular Diagnostics System.(¥) OBJECTIVES: Evaluation of the clinical performance of the new quantitative VERIS HIV-1 Assay at multiple EU laboratories.


Short communication: Relationship between methods for measurement of serum electrolytes and the relationship between ionized and total calcium and neutrophil oxidative burst activity in early postpartum dairy cows.

The objectives of this study were to (1) compare a test for serum measurement of total Ca (tCa), Mg, and P (VetTest Chemistry Analyzer, IDEXX Laboratories Inc., Westbrook, ME) to reference methods (spectrophotometric assays on a Beckman Coulter 640e automated clinical chemistry analyzer; Beckman Coulter, Brea, CA), (2) determine the relationship between ionized Ca (iCa) and reference method tCa in the immediate postpartum period, and (3) assess the relative value of these blood Ca indices as predictors of n...

The prostate health index PHI predicts oncological outcome and biochemical recurrence after radical prostatectomy - analysis in 437 patients.

The purpose of this study was to investigate the Prostate-Health-Index (PHI) for pathological outcome prediction following radical prostatectomy and also for biochemical recurrence prediction in comparison to established parameters such as Gleason-score, pathological tumor stage, resection status (R0/1) and prostate-specific antigen (PSA).Out of a cohort of 460 cases with preoperative PHI-measurements (World Health Organization calibration: Beckman Coulter Access-2-Immunoassay) between 2001 and 2014, 437 pa...

A European multicientre study on the comparison of HBV viral loads between VERIS HBV assay and Roche COBAS(®) TAQMAN(®) HBV test, Abbott RealTime HBV assay, Siemens VERSANT HBV assay, and Qiagen artus HBV RG kit.

Hepatitis B viral load testing is essential to treatment and monitoring decisions in patients with chronic Hepatitis B. Beckman Coulter has developed the VERIS HBV Assay (Veris) for use on the fully automated DxN VERIS Molecular Diagnostics System.(1) OBJECTIVES: To evaluate the clinical performance of the Veris HBV Assay at multiple EU laboratories STUDY DESIGN: Method comparison was performed with a total of 344 plasma specimens from HBV infected patients tested with Veris and COBAS(®) TaqMan(®) HBV Tes...

How to deal with the different serum AMH kits in France in 2017?

Serum AMH measurement became a key element in clinical practice, especially before using Assisted reproductive techniques (ART). However, many AMH kits exist giving different AMH results, leading to a confusion in their interpretation. Until recently, only manual ELISA kits existed (mainly Gen II Beckman, EIA/AMH Immunotech and two Anshlab kits) reporting non-interchangeable results. High and low AMH cut-off values, mainly useful to adapt therapeutics in ART, were different between kits. Since the end of 20...

The Reference Intervals of Thyroid Hormones for Pregnant Women in Zhejiang Province.

Gestation-specific reference intervals for thyroid hormones are used to estimate thyroid function in pregnant women. This study was to establish the reference intervals for pregnant women in Zhejiang province, China. A total of 9038 cases were recruited. The values of thyroid-stimulating hormone (TSH), free thyroxine, free triiodothyronine, total thyroxine, and total triiodothyronine were determined by Beckman Coulter DxI-800 analyzers. Our results indicated that the level of TSH declined in the first trime...

In Vitro Assays to Determine Smooth Muscle Cell Hypertrophy, Protein Content, and Fibrosis.

This chapter provides information on how to culture primary rat vascular smooth muscle cells and how to induce cellular changes similar to those associated with angiotensin II activation in vivo. We describe how to assess the cellular changes by determining cell size with an automated coulter cell counter to measure cell volume. In addition, we describe a method to assess total protein content. Finally, we describe a standard technique to quantify angiotensin II-induced pro-fibrotic response using the Chond...

Physiological response of Prorocentrum lima (Dinophyceae) to varying light intensities.

The benthic dinoflagellate Prorocentrum lima is among the most common toxic morphospecies with a cosmopolitan distribution. This study explored if strains from different environments and different morphotypes, isolated from three locations in the Atlantic Iberian Peninsula and two from the Mediterranean Sea, showed different responses to varying light regimes, after confirming that all strains belonged to the same ribotype. Growth rates and photosynthetic parameters such as Fo, Fv/Fm, and rETRmax were analy...

Prognostic value of circulating vitamin D binding protein, total, free and bioavailable 25-hydroxy vitamin D in patients with colorectal cancer.

Numerous studies have suggested that there was a significantly positive association between circulating total 25-hydroxyvitamin D (25(OH)D) and survival in colorectal cancer patients. Moreover, plasma vitamin D was also found significantly associated with the concentration of vitamin D binding protein (VDBP). However, there was no paper to clarify the prognostic value of VDBP, free and bioavailable 25(OH)D in colorectal carcinogenesis. The aim of this study was to comprehensively assess the prognostic value...

Quantification of Acutodesmus obliquus (Chlorophyceae) cell size and lipid content heterogeneity at single cell level.

Much of our current knowledge of microbial growth is obtained from studies at a population level. Driven by the realization that processes which operate within a population might influence a population's behavior, we sought to better understand Acutodesmus obliquus (formerly Scenedesmus obliquus) physiology at the cellular level. In this work, an accurate pre-treatment method to quantitatively obtain single cells of A. obliquus, a coenobia-forming alga, is described. These single cells were examined by flow...

Validity and Reliability of a Portable Isometric Mid-Thigh Clean Pull.

James, LP, Roberts, LA, Haff, GG, Kelly, VG, and Beckman, EM. Validity and reliability of a portable isometric mid-thigh clean pull. J Strength Cond Res 31(5): 1378-1386, 2017-This study investigated the test-retest reliability and criterion validity of force-time curve variables collected through a portable isometric mid-thigh clean pull (IMTP) device equipped with a single-axial load cell. Fifteen males with ≥6 months of resistance training experience attended two testing sessions. In each session, part...

The anti-myeloma activity of bone morphogenetic protein 2 predominantly relies on the induction of growth arrest and is apoptosis-independent.

Multiple myeloma (MM), a malignancy of the bone marrow, is characterized by a pathological increase in antibody-producing plasma cells and an increase in immunoglobulins (plasmacytosis). In recent years, bone morphogenetic proteins (BMPs) have been reported to be activators of apoptotic cell death in neoplastic B cells in MM. Here, we use bone morphogenetic protein 2 (BMP2) to show that the "apoptotic" effect of BMPs on human neoplastic B cells is dominated by anti-proliferative activities and cell cycle ar...

Systemic Markers of Adaptive and Innate Immunity are Associated with COPD Severity and Spirometric Disease Progression.

The progression of chronic obstructive pulmonary disease (COPD) is associated with marked alterations in circulating immune cell populations, but no studies have characterized alterations in these cell types across the full spectrum of lung function impairment in current and former smokers. In 6,299 subjects from the COPDGene and ECLIPSE studies, we related Coulter blood counts and proportions to cross-sectional FEV1 adjusting for current smoking status. We also related cell count measures to three-year cha...


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