Facile construction of fluorescent peptide microarrays: One-step fluorescent derivatization of sub-microscale peptide aldehydes for selective terminal immobilization

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Abstract

In this note, we demonstrate the utility of bifunctional fluorescent linkers to facilitate the construction of peptide microarrays with either an N- or a C-terminal alkylamine for directionally preferred peptide immobilization. Significantly, these small tags facilitate high-performance liquid chromatography (HPLC) profiling while limiting interference with antigen-antibody interactions after peptide immobilization. In a model peptide-antibody binding assay, a sequence-dependent orientation effect of antibody binding to a series of peptide ligands was demonstrated. This approach provides a strategy that can be applied to a variety of peptide microarray-based detection systems. © 2009 Elsevier Inc. All rights reserved.

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Dong, H., Song, X., Lasanajak, Y., Cummings, R. D., & Chaikof, E. L. (2010). Facile construction of fluorescent peptide microarrays: One-step fluorescent derivatization of sub-microscale peptide aldehydes for selective terminal immobilization. Analytical Biochemistry, 398(1), 132–134. https://doi.org/10.1016/j.ab.2009.11.001

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