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Modified Gold Surfaces with Gold Nanoparticles and 6‐(Ferrocenyl)hexanethiol: Design of a Mediated Microbial Sensor
Author(s) -
Yildirim Nimet,
Demirkol Dilek Odaci,
Timur Suna
Publication year - 2015
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201400371
Subject(s) - colloidal gold , monolayer , substrate (aquarium) , adsorption , electrode , biosensor , materials science , dialysis tubing , layer (electronics) , self assembled monolayer , nanoparticle , chemical engineering , nanotechnology , membrane , chemistry , organic chemistry , biochemistry , oceanography , engineering , geology
Herein, a mediated Gluconobacter oxydans biosensor was constructed by immobilizing the intact cells on the modified gold electrode. The surface was initially modified with gold nanoparticles and then, self‐assembled monolayers were formed by using 6‐(ferrocenyl) hexanethiol. Finally, G. oxydans cells were adsorbed onto the surfaces and the bio‐active layer was covered with a dialysis membrane. As well as the response characteristics, stabilities and substrate specificities ere investigated.