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Microarray of stimuli-responsive microbeads for duplexed immunoassay

Microarray of stimuli-responsive microbeads for duplexed immunoassay Abstract This paper describes a duplexed immunoassay method based on a functional microbeads (μbeads) array. For selective detection of dual analytes, the μbeads were conjugated with a responsive biopolymer, characterized by a different phase transition temperature. Then, the μbeads modified with elastin-like polypeptides (ELPs) were spatially localized in a single microwell through sequential injection with a buffer. Prostate specific antigen (PSA) and mouse immunoglobulin G (IgG) were selected to show the feasibility of duplexed immunoassay. The detection limit of the μbead array with PSA and mouse IgG was 0.05 ng/mL and 0.1 ng/mL, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png BioChip Journal Springer Journals

Microarray of stimuli-responsive microbeads for duplexed immunoassay

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References (19)

Publisher
Springer Journals
Copyright
2011 The Korean BioChip Society and Springer-Verlag Berlin Heidelberg
ISSN
1976-0280
eISSN
2092-7843
DOI
10.1007/s13206-011-5209-x
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper describes a duplexed immunoassay method based on a functional microbeads (μbeads) array. For selective detection of dual analytes, the μbeads were conjugated with a responsive biopolymer, characterized by a different phase transition temperature. Then, the μbeads modified with elastin-like polypeptides (ELPs) were spatially localized in a single microwell through sequential injection with a buffer. Prostate specific antigen (PSA) and mouse immunoglobulin G (IgG) were selected to show the feasibility of duplexed immunoassay. The detection limit of the μbead array with PSA and mouse IgG was 0.05 ng/mL and 0.1 ng/mL, respectively.

Journal

BioChip JournalSpringer Journals

Published: Jun 1, 2011

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