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@proceedings{941086, author = {Castillo, Gabriela and Trnková, Libuše and Foguel, Marcos Vinicius and Hianik, Tibor}, booktitle = {XXI INTERNATIONAL SYMPOSIUM ON BIOELECTROCHEMISTRY AND BIOENERGETICS}, keywords = {DNA;RNA;aptamers;thrombin;gold cd;electrochemical impedance}, language = {eng}, isbn = {978-83-62139-23-1}, title = {APTAMER BASED CD-SENSORS FOR THROMBIN RECOGNITION BY MEANS OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY}, year = {2011} }
TY - CONF ID - 941086 AU - Castillo, Gabriela - Trnková, Libuše - Foguel, Marcos Vinicius - Hianik, Tibor PY - 2011 TI - APTAMER BASED CD-SENSORS FOR THROMBIN RECOGNITION BY MEANS OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY SN - 9788362139231 KW - DNA;RNA;aptamers;thrombin;gold cd;electrochemical impedance N2 - Biosensors based on DNA or RNA aptamers, represent a very efficient platform for protein recognition1. We developed a novel label-free aptamer biosensing array for thrombin detection by measuring the electrochemical impedance upon aptamer-protein complex formation using gold CD-trodes (GCDT). GCDT are electrodes fabricated from recordable compact discs that contain a fine gold layer on their surface. Low-cost GCDTs present good versatility and acceptable reproducibility. The thrombin biosensor is constructed by self-assembling a thiol-modified aptamer onto a GCDT surface, followed by recognition of the protein via monitoring the interfacial electron transfer resistance in the presence of an [Fe(CN)6]3-/4- redox couple2,3. The aptasensor was also characterized by cyclic voltammetry and the individual binding steps were analysed by scanning electron microscopy. ER -
CASTILLO, Gabriela, Libuše TRNKOVÁ, Marcos Vinicius FOGUEL a Tibor HIANIK. APTAMER BASED CD-SENSORS FOR THROMBIN RECOGNITION BY MEANS OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY. In \textit{XXI INTERNATIONAL SYMPOSIUM ON BIOELECTROCHEMISTRY AND BIOENERGETICS}. 2011. ISBN~978-83-62139-23-1.
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