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dc.contributor.authorSupakiet Chanarsaen_US
dc.contributor.authorChammari Pothiporen_US
dc.contributor.authorNawee Kungwanen_US
dc.contributor.authorKontad Ounnunkaden_US
dc.identifier.citationChiang Mai Journal of Science 47,3 (May 2020), p.530-541en_US
dc.descriptionChiang Mai Journal of Scienceen_US
dc.description.abstractGiving good stability and sensitivity of the low-cost electrochemical immunosensor is achieved using a conducting poly(pyrrole-3-carboxylic acid) (PP3C) film on a screen-printed carbon electrode (SPCE). The PP3C film offers high density surface carboxylic groups, on which can be covalently conjugated with capturing antibodies, and improves electrode reactivity. Our simple immunosensor exhibitessatisfactory sensitivity, selectivity, stability, reproducibility, and regenerability for the detection of human immunoglobulin G (IgG). The proposed sensitive immunosensor provides a detection limit of 0.120 ng mL-1 and a sensitivity of 3.61 μA cm-2 mL ng-1, which thus is promising for clinical applications.en_US
dc.publisherFaculty of Science, Chiang Mai Universityen_US
dc.subjectpoly(pyrrole-3-carboxylic acid)en_US
dc.subjectscreen-printed carbon electrodeen_US
dc.subjectlabel-free detectionen_US
dc.subjectimmunoglobulin Gen_US
dc.titleA Poly(pyrrole-3-carboxylic acid) Thin Film Modified Screen Printed Carbon Electrode as Highly Sensitive and Selective Label-free Electrochemical Immunosensing Platformen_US
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