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Photoluminescent Graphene Oxide Ink to Print Sensors onto Microporous Membranes for Versatile Visualization Bioassays
Author(s) -
Mei Qingsong,
Zhang Zhongping
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201201389
Subject(s) - microporous material , graphene , oxide , membrane , nanotechnology , adsorption , fluorescence , inkwell , materials science , analyte , photoluminescence , combinatorial chemistry , chemistry , chromatography , optoelectronics , organic chemistry , physics , optics , biochemistry , composite material , metallurgy
Read all about it : Graphene oxide (GO) sensors can be formed on microporous membranes for the visual detection of peptides, protein, and DNA. Silver nanoparticles (AgNPs) modified with ligands, antibodies, and oligonucleotides adsorb onto the surface of GO nanosheets and quench the fluorescence. Upon addition of analytes, the AgNPs disassociate from the nanosheets, and thus the fluorescence is immediately restored.

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