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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: CRP detection from serum for chip-based point-of-care testing system.
    Author: Kim CH, Ahn JH, Kim JY, Choi JM, Lim KC, Park TJ, Heo NS, Lee HG, Kim JW, Choi YK.
    Journal: Biosens Bioelectron; 2013 Mar 15; 41():322-7. PubMed ID: 23017687.
    Abstract:
    Most of point-of-care testing (POCT) to improve facilitates in diagnosis, treatment, and monitoring of patients. POCT technique has still remained a quantitatively and accurately detective effect. In this article, we demonstrated that real human C-reactive protein (CRP) in serum was detected for a chip-based point-of-care testing application based on a nanogap-embedded field effect transistor (FET), and the results were compared with those obtained via the enzyme-linked immunosorbent assay (ELISA) method. The limit of detection (LOD), determined from the standard curve, was 0.1 ng/ml, which is comparable to that of commercialized ELISAs. We evaluated that an improved detection range (0.1 ng/ml to 100 ng/ml) was achieved by comparing with commercialized ELISA. Control experiments to determine selectivity and to discern false-positive/false-negative rates were also performed. This report is the first description of the detection of CRP in human serum using a silicon-based biosensor.
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