Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection

Ferrocenylnaphthalene diimide 1 can bind to double stranded DNA (dsDNA) by the threading intercalation mode and the resulting complex was stabilized further by β- cyclodextrin (CD) by forming a supramolecular complex. These complex formation processes were studied by spectroscopic, viscometric, a...

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Main Authors: Shigeori Takenaka, Michinori Waki, Takahiko Nojima, Shinobu Sato
Format: Article
Language:English
Published: MDPI AG 2005-07-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/10/6/693/
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author Shigeori Takenaka
Michinori Waki
Takahiko Nojima
Shinobu Sato
author_facet Shigeori Takenaka
Michinori Waki
Takahiko Nojima
Shinobu Sato
author_sort Shigeori Takenaka
collection DOAJ
description Ferrocenylnaphthalene diimide 1 can bind to double stranded DNA (dsDNA) by the threading intercalation mode and the resulting complex was stabilized further by β- cyclodextrin (CD) by forming a supramolecular complex. These complex formation processes were studied by spectroscopic, viscometric, and electrochemical means in the absence or presence of β-CD. Quantitative analysis by quartz crystal microbalance (QCM) and electrochemical experiments strongly suggested a 2:1 binding stoichiometry for β-CD to 1 threading-intercalated to the dsDNA-immobilized electrode. Owing to this supramolecular complex formation, electrochemical DNA detection based on 1 was improved considerably.
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spelling doaj.art-7850b769df994d6c8c3ffd249c438a002022-12-21T22:26:09ZengMDPI AGMolecules1420-30492005-07-0110669370710.3390/10060693Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene DetectionShigeori TakenakaMichinori WakiTakahiko NojimaShinobu SatoFerrocenylnaphthalene diimide 1 can bind to double stranded DNA (dsDNA) by the threading intercalation mode and the resulting complex was stabilized further by β- cyclodextrin (CD) by forming a supramolecular complex. These complex formation processes were studied by spectroscopic, viscometric, and electrochemical means in the absence or presence of β-CD. Quantitative analysis by quartz crystal microbalance (QCM) and electrochemical experiments strongly suggested a 2:1 binding stoichiometry for β-CD to 1 threading-intercalated to the dsDNA-immobilized electrode. Owing to this supramolecular complex formation, electrochemical DNA detection based on 1 was improved considerably.http://www.mdpi.com/1420-3049/10/6/693/Ferrocenylnaphthalene diimideβ-cyclodextrin (CD)DNAelectrochemical detectionsupramolecular complex
spellingShingle Shigeori Takenaka
Michinori Waki
Takahiko Nojima
Shinobu Sato
Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
Molecules
Ferrocenylnaphthalene diimide
β-cyclodextrin (CD)
DNA
electrochemical detection
supramolecular complex
title Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
title_full Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
title_fullStr Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
title_full_unstemmed Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
title_short Supramolecular Complex Formation by β-Cyclodextrin and Ferrocenylnaphthalene Diimide-intercalated Double Stranded DNA and Improved Electrochemical Gene Detection
title_sort supramolecular complex formation by aza² cyclodextrin and ferrocenylnaphthalene diimide intercalated double stranded dna and improved electrochemical gene detection
topic Ferrocenylnaphthalene diimide
β-cyclodextrin (CD)
DNA
electrochemical detection
supramolecular complex
url http://www.mdpi.com/1420-3049/10/6/693/
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