Results 161 to 170 of about 5,599,864 (193)
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Effect of Pre-Analytical Conditions on the Thrombodynamics Assay
Thrombosis Research, 2014Standardization of pre-analytical conditions is the obligatory step for all potential diagnostic tests. Spatial clot growth (Thrombodynamics) is a new global hemostasis assay that considers spatial organization of coagulation. The principal parameter is rate of fibrin clot growth from the tissue-factor coated surface.
Fazoil I Ataullakhanov +1 more
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Importance of pre-analytical for urinalysis with urinary crystals
Annales de biologie clinique, 2017Crystalluria is an imbalance between promoters and inhibitors; the first are the engine of the crystals and the second are made of substances. The biological assays make it possible to demonstrate one or more lithogenic factors observed during the lithiasis. The objective of our work was to study the impact of acidification or alkalization of the urine
Lise, Larcher +4 more
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Analysis and management of the pre-analytical risks in hemostasis
Annales de Biologie Clinique, 2019Risk analysis consists in identification, scoring and ranking of risks in order to manage the major risks. The aim of the study is to determine the risk analysis of the pre-analytical step of routine hemostasis in Hematological laboratory of CHU Ibn Rochd-Casablanca, Morocco.The identification of pre-analytical activities of routine hemostasis was ...
Assiya, El Kettani +2 more
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Pre-analytical stability of FGF23 with the contemporary immunoassays
Clinica Chimica Acta, 2019Several publications have reported on the pre-analytical stability of fibroblast growth factor 23 (FGF23) and some recommend coating blood collecting tubes with protease inhibitors, in order to prevent degradation. These recommendations are based on observations for a first generation assay for the measurement of intact FGF23.
Niek F. Dirks +6 more
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Plasma/serum proteomics: pre-analytical issues
Expert Review of Proteomics, 2007High-throughput proteomics technologies tend to provide highly sensitive information about living tissues and biological fluids. Analytes are characterized by intrinsic and extrinsic properties, the latter depending on each phase of their preparation, sometimes adding artifacts with crucial repercussions in result reliability and interpretation.
Stefano, Barelli +4 more
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[The importance of pre-analytics].
Therapeutische Umschau. Revue therapeutique, 2008Quality assurance in laboratory medicine up to now has been focused mainly on analytical quality. Pre-analytical errors, however, amount to two thirds of all laboratory errors, and their elimination is of particular importance. Flaws of optimal indication contribute to a sometimes ineffective benefit of laboratory medicine.
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Current Projects in Pre-analytics: Where to Go?
2015The current clinical practice of tissue handling and sample preparation is multifaceted and lacks strict standardisation: this scenario leads to significant variability in the quality of clinical samples. Poor tissue preservation has a detrimental effect thus leading to morphological artefacts, hampering the reproducibility of immunocytochemical and ...
SAPINO, Anna +2 more
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Pre-Analytical Phase in Mycology
International Journal of Research and Innovation in Social ScienceFungal infections remain a frequent cause for medical consultation, representing a prevalence of 20-25%. Mycology laboratory represents the key to the management of fungal diseases, whose objective lies not only in providing accurate analysis results, as well as completing them within a satisfactory time, maintaining traceability for all laboratory ...
Fatiha Bousnina +6 more
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Pre-analytical Challenges in Clinical Metabolomics: From Bedside to Bench
2023The field of metabolomics has seen tremendous improvements since its introduction two decades ago, notably with the emergence of highly sensitive and selective analytical instruments and the implementation of sophisticated data analysis procedures. A joint effort among the metabolomics community has fostered the use of standardized protocols, aiming ...
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Tissue Heterogeneity as a Pre-analytical Source of Variability
2015A low level of reproducibility is the shortcoming of clinical studies where human tissues are used, especially in oncology (EGAAP, Evaluation of Genomic Applications and Prevention Working Group (2013) Recommendations from the EGAPP Working Group: can testing of tumor tissue for mutations in EGFR pathway downstream effector genes in patients with ...
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