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. 2009 Jun;42(9):873-6.
doi: 10.1016/j.clinbiochem.2009.02.024. Epub 2009 Mar 10.

Performance evaluation of a particle-enhanced turbidimetric cystatin C assay on the Abbott ci8200 analyzer

Mats Flodin  1 , Anders Larsson
Affiliations

Performance evaluation of a particle-enhanced turbidimetric cystatin C assay on the Abbott ci8200 analyzer

Mats Flodin et al. Clin Biochem. 2009 Jun.

Abstract

Objectives: Glomerular filtration rate (GFR) is widely accepted as the best overall measure of kidney function. Cystatin C is a novel endogenous GFR marker that has been shown to be superior to creatinine for estimation of GFR in several studies. There is a need for cystatin C assays adapted to routine chemistry instrument to minimize turnaround times and allowing 24 h/day availability.

Materials and methods: We have evaluated a new cystatin C assay developed for Architect cSystem (Abbott Laboratories, Abbott Park, IL, USA).

Results: The cystatin C assay showed good agreement with the corresponding assay from Dade Behring (Deerfield, IL, USA). The assay has a very low total imprecision and a good linearity.

Conclusions: The new cystatin C assay is an interesting alternative to current cystatin C assays. On an Architect cSystem the assay can be performed with the same turnaround times and availability as creatinine.

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