Clinical Nephelometry: 1. New, Accurate, Heat-Precipitation Nephelometric Method for Rapid Determination of Plasma Fibrinogen
Open Access
- 1 January 1972
- journal article
- research article
- Published by Oxford University Press (OUP) in Clinical Chemistry
- Vol. 18 (1) , 73-75
- https://doi.org/10.1093/clinchem/18.1.73
Abstract
We have developed an accurate procedure for measurement of plasma fibrinogen. Turbidity resulting from heating (56°C, 20 min) plasma diluted with a new "zwitterionic" buffered-saline reagent (pH 5.6) is nephelometrically measured (600 nm). We evaluated the method both by confirming the accuracy of its prestandardization and calibration on a new clinical nephelometer, and by comparative standardization by use of a conventional spectrophotometer. The nephelometer is more sensitive and gives a linear response over a wide range of concentrations. Representative information supporting the broad clinical utility of the determination of plasma fibrinogen is illustrated. These assays should be a significant complement to muititest biochemical screening of both healthy and hospitalized individuals.Keywords
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