Determination of Total PSA Using Magnetic Beads and a Re‐usable Screen Printed Carbon Electrode Array | Zendy

Biscay Julien | Zendy; González García María Begoña | Zendy; García Agustín Costa | Zendy

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Determination of Total PSA Using Magnetic Beads and a Re‐usable Screen Printed Carbon Electrode Array

Author(s) -

Biscay Julien,

González García María Begoña,

García Agustín Costa

Publication year - 2015

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.201500351

Subject(s) - usable , detection limit , electrode , linear range , electrochemistry , materials science , chromatography , analytical chemistry (journal) , chemistry , computer science , world wide web

A total PSA (tPSA) assay using magnetic beads (1 µm) and a re‐usable 8‐channel screen printed electrochemical array is here reported. The reaction scheme is based on a one step sandwich assay. The linear range obtained is comprised between 5 and 100 ng/mL of tPSA and have a limit of detection of 1.86 ng/mL. This methodology was validated, performing determination of tPSA in serum and the results were compared with a commercial ELISA kit.

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