Analytical Evaluation of the New Beckman Coulter Access Procalcitonin (PCT) Chemiluminescent Immunoassay.
immunoassay
infection
procalcitonin
sepsis
Journal
Diagnostics (Basel, Switzerland)
ISSN: 2075-4418
Titre abrégé: Diagnostics (Basel)
Pays: Switzerland
ID NLM: 101658402
Informations de publication
Date de publication:
26 Feb 2020
26 Feb 2020
Historique:
received:
27
11
2019
revised:
01
02
2020
accepted:
25
02
2020
entrez:
1
3
2020
pubmed:
1
3
2020
medline:
1
3
2020
Statut:
epublish
Résumé
This study was designed to evaluate the analytical performance of the recently commercialized Beckman Coulter Access procalcitonin (PCT) chemiluminescent test on the Access immunoassay system. The analytical assessment encompassed the estimation of limit of blank (LoB), limit of detection (LoD), functional sensitivity (i.e., PCT value with ≤10% imprecision), linearity, imprecision and comparability of values with BRAHMS PCT-sensitive Kryptor. LoB, LoD and functional sensitivity were 0.002 μg/L, 0.003 μg/L and 0.003 μg/L, respectively. Intra-assay, inter-assay and total imprecision for plasma pools with low, medium and high PCT values were 1.8%-2.1%, 2.4%-3.7% and 3.1%-4.3%, respectively. The assay exhibited excellent linearity between 0.02 and 84.0 μg/L. Excellent correlation (r = 0.999;
Identifiants
pubmed: 32111028
pii: diagnostics10030128
doi: 10.3390/diagnostics10030128
pmc: PMC7151122
pii:
doi:
Types de publication
Journal Article
Langues
eng
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
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