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Items for "sodium"

The influence of sodium ion binding on factor IXa activity

Sodium plays an important role in modulating both the amidolytic and proteolytic activities of thrombin...

Keywords: Factor IXa, factor X, intrinsic Xase, sodium, calcium

06/2006 | Thrombosis and Haemostasis, Schattauer

IFCC Guideline for sampling, measuring and reporting ionized magnesium in plasma

Analyzers with ion-selective electrodes (ISEs) for ionized magnesium (iMg) should yield comparable and unbiased results for iMg...

Keywords: erythrocyte effect, heparin, influence factors, interference, ionized calcium, ionized magnesium, ion-selective electrode, lipophilic anions, liquid junction potential, pH, protein, sampling, silicone, sodium

01/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Guidelines for sampling, measuring and reporting ionized magnesium in undiluted serum, plasma or blood: International Federation of Clinical Chemistry and Laboratory Medicine (IFCC): IFCC Scientific Division, Committee on Point of Care Testing

All analyzers with ion-selective electrodes for ionized magnesium (iMg) should yield comparable and unbiased results...

Keywords: erythrocyte, heparin, influence factors, interference, ionized calcium, ionized magnesium, ion-selective electrode, lipophilic anions, liquid junction potential, pH, protein, sampling, silicone, sodium

05/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Comparison of methods for calculating serum osmolality: multivariate linear regression analysis

Background: There are several methods for calculating serum osmolality, and their accordance with measured osmolality is the subject of controversy.

Methods: The concentrations of sodium, potassium, glucose, blood urea nitrogen (BUN) and osmolalities of 210 serum samples were measured...

Keywords: osmolal gap, osmolality, osmotic coefficient, Regression Analysis, sodium

06/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

How Na⁺ activates thrombin – a review of the functional and structural data

Thrombin is the ultimate coagulation factor; it is the final protease generated in the blood coagulation cascade and is the effector of clot formation...

Keywords: allostery, cofactor, crystal, recognition, sodium, substrate

08/2008 | Biological Chemistry, Walter de Gruyter

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