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Items for "blood collection"

Influence of short-term venous stasis on clinical chemistry testing

Control and standardization of preanalytical variability is a critical factor for achieving accuracy and precision in laboratory testing...

Keywords: blood collection, laboratory testing, preanalytical variability, standardization tourniquet, venous stasis

08/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Preanalytical variability in laboratory testing: influence of the blood drawing technique

The predominant technique used to draw blood for laboratory testing is a conventional straight needle attached to an evacuated tube system...

Keywords: blood collection, butterfly device, laboratory testing, preanalytical variability, standardization

03/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Detection of circulating tumour cells in blood by quantitative real-time RT-PCR: effect of pre-analytical time

Background: We and others have recently explored the use of quantitative real-time RT-PCR analysis for the detection of circulating tumour cells in blood of patients with breast cancer (BC)...

Keywords: blood collection, breast cancer, changes in expression level, pre-analytical time, quantitative RT-PCR

09/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Blutungszeit in vitro am PFA-100^®: Präanalytik bei der Blutentnahme / Bleeding time in vitro measured by the PFA-100^® system: Pre-analytical conditions for blood collection

Zusammenfassung

Zusammenfassung Bei Wiederholungsuntersuchungen am Plättchenfunktionsanalyzer PFA-100^® (Dade Behring) können die Citratblut-Verschlusszeiten bei derselben Person in kurzem zeitlichen Abstand oder auch bei derselben Blutentnahme stark variieren...

Keywords: Blutentnahme, PFA-100®, Plättchenfunktion, Präanalytik, blood collection, Platelet function, pre-analysis

10/2004 | LaboratoriumsMedizin, Walter de Gruyter