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Reference type: Journal
Authors: Chen GS, Kou XX, Huang SM, Huang SY, Zhang R, Liu C, Shen J, Zhu F, Ouyang GF
Article Title: Allochroic-Graphene Oxide Linked 3D Oriented Surface Imprinting Strategy for Glycoproteins Assays.
Publication date: 2018
Journal: Advanced Functional Materials
Volume: 28
Issue: (40)
Page numbers: ArticleNo1804129.
DOI: 10.1002/adfm.201804129

Abstract: Affordable methodologies for screening of disease-related biomarkers are vital for early clinical diagnosis, and can potentially improve the survival rate. Herein, a cost-efficient and easy-to-use approach, called allochroic-graphene oxide linked oriented surface imprinting strategy (AGO-OSI), is imparted for rapid glycoproteins screening with naked eyes. The novel detection principle herein relies on the boronate-affinity sandwich-like assembly, in which the target glycoproteins are specifically captured by the engineered 3D oriented surface imprinting magnetic microprobe, and followed by labeling with the pH-triggered allochroic-graphene oxide. Compared with the enzyme-linked immunosorbent assay, no antibody-assisted recognition or complicated enzymatic labeling is required, endowing the AGO-OSI with the merits of low-cost, labor-saving, and user-friendly. In addition, the pH-triggered allochroic-graphene oxide provides a simple, real-time, and economical signal readout, without the sophisticated instruments requirement. Finally, it is successfully applied to rapid diagnosis of α-fetoprotein (AFP) in liver cancer event with naked eyes, further manifesting the superiority of AGO-OSI. It is believed that the cost-efficient and easy-to-use strategy proposed herein can potentially be a versatile tool for point-of-care diagnosis, especially applicable in resource-constrained regions
Template and target information: protein, glycoprotein, α-fetoprotein, AFP
Author keywords: boronate-affinity, glycoproteins, Graphene oxide, naked-eye detection, surface imprinting

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