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Periplasmic Binding Proteins as Optical Modulators of Single‐Walled Carbon Nanotube Fluorescence: Amplifying a Nanoscale Actuator
Author(s) -
Yoon Hyeonseok,
Ahn JinHo,
Barone Paul W.,
Yum Kyungsuk,
Sharma Richa,
Boghossian Ardemis A.,
Han JaeHee,
Strano Michael S.
Publication year - 2011
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.201006167
Subject(s) - carbon nanotube , fluorescence , periplasmic space , materials science , covalent bond , conjugated system , nanotechnology , quenching (fluorescence) , biophysics , chemistry , polymer , optics , biochemistry , physics , organic chemistry , escherichia coli , biology , composite material , gene
Glucose sensor : Glucose‐binding protein (GBP) covalently conjugated to a fluorescent single‐walled carbon nanotube (SWNT) is shown to act as an optical switch. Hinge‐bending response to glucose causes a reversible exciton quenching of the SWNT fluorescence with high selectivity (see scheme).

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