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Bioinspired Target‐Specific Crystallization on Peptide Nanotubes for Ultrasensitive Pb Ion Detection
Author(s) -
de la Rica Roberto,
Mendoza Ernest,
Matsui Hiroshi
Publication year - 2010
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201000489
Subject(s) - materials science , peptide , nanowire , nanotechnology , nanotube , ion , template , electrode , resistor , crystallization , carbon nanotube , chemistry , physics , biochemistry , organic chemistry , quantum mechanics , voltage
An ultralow concentration of Pb ions is detected by a sensor integrating a peptide nanotube detection platform with a smart peptide function that specifically metalizes the target ion. As the Pb II ‐binding peptide on the nanotube, which bridges two electrodes, templates Pb nanowires, a resistor appears in the circuit, and conductance is detected as the signal for Pb II .
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