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Items for "Blood"

A simple assay method for added stable caesium in blood plasma

A new assay method was developed to determine added stable caesium (Cs) in blood plasma. The simple and inexpensive method is based on the competition between stable and radioactive Cs in binding to ammonium-iron(II)-hexacyanoferrate(III) (AFCF), followed by the precipitation of AFCF-bound Cs with plasma proteins, and the measurement of the radioactivity of the precipitate...

Keywords: ammonium-iron(II)-hexacyanoferrate(III), Blood, Caesium, Plasma, Prussian blue

01/2006 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag
The role of ethylenediamine tetraacetic acid (EDTA) as in vitro anticoagulant for diagnostic purposes

Anticoagulants are used to prevent clot formation both in vitro and in vivo. In the specific field of in vitro diagnostics, anticoagulants are commonly added to collection tubes either to maintain blood in the fluid state for hematological testing or to obtain suitable plasma for coagulation and clinical chemistry analyses...

Keywords: anticoagulants, Blood, laboratory testing, Plasma, serum

05/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Recommendation for measuring and reporting chloride by ISEs in undiluted serum, plasma or blood: International Federation of Clinical Chemistry and Laboratory Medicine (IFCC): IFCC Scientific Division, Committee on Point of Care Testing and Working Group

The proposed recommendation for measuring and reporting chloride in undiluted plasma or blood by ion-selective electrodes (ISEs) will provide results that are identical to chloride concentrations measured by coulometry for standardized normal plasma or blood samples...

Keywords: Blood, chloride (ionized and total), coulometry, ion-selective electrode, Plasma, standardization

03/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
The effect of processing and cryopreservation on nucleated umbilical cord blood cells

Recovery of nucleated cord blood cells after storage in liquid nitrogen was evaluated...

Keywords: Blood, cells, cryopreservation, nucleated, recovery, umbilical cord blood

09/2004 | Journal of Perinatal Medicine, Walter de Gruyter
Suitability of the PAXgene? system to stabilize bone marrow RNA in imatinib-resistant patients with chronic myeloid leukemia

Background: Optimum sample quality is a crucial requirement for molecular monitoring of patients with chronic myeloid leukemia (CML) on therapy...

Keywords: BCR-ABL mRNA, Blood, Bone marrow, PAXgene?, RNA stabilization

03/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Are changes in blood-ethanol concentration during storage analytically significant? Importance of method imprecision

Background: Knowledge about the stability of drugs and metabolites in biological fluids is important information when the analytical results are evaluated and interpreted...

Keywords: alcohol, analysis, Blood, Ethanol, gas chromatography, precision, stability, statistics, storage

10/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter