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Ribeiro J, Pereira C, Silva A, Sales MF. Disposable electrochemical detection of breast cancer tumour marker CA 15-3 using poly(Toluidine Blue) as imprinted polymer receptor. Biosens Bioelectron 2018; 109:246-254. [DOI: 10.1016/j.bios.2018.03.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 02/28/2018] [Accepted: 03/06/2018] [Indexed: 12/11/2022]
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Bkhach S, Alévêque O, Morille Y, Breton T, Hudhomme P, Gautier C, Levillain E. Absorption Spectroelectrochemistry on Mixed Perylenediimide-Based Self-Assembled Monolayers: Non-Linear Dependence of Absorbance versus Surface Coverage. ChemElectroChem 2017. [DOI: 10.1002/celc.201600770] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sihame Bkhach
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Olivier Alévêque
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Yohann Morille
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Tony Breton
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Piétrick Hudhomme
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Christelle Gautier
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
| | - Eric Levillain
- Laboratoire MOLTECH-Anjou; Université d'Angers/CNRS UMR 6200; 2 Boulevard Lavoisier 49045 Angers Cedex France
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Ramos-Jesus J, Pontes-de-Carvalho LC, Melo SMB, Alcântara-Neves NM, Dutra RF. A gold nanoparticle piezoelectric immunosensor using a recombinant antigen for detecting Leishmania infantum antibodies in canine serum. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2016.01.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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A glucose biosensor based on direct attachment of in situ generated nile blue diazonium cations to the electrode surface. J Electroanal Chem (Lausanne) 2013. [DOI: 10.1016/j.jelechem.2013.06.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Ramos-Jesus J, Carvalho KA, Fonseca RAS, Oliveira GGS, Melo SMB, Alcântara-Neves NM, Dutra RF. A piezoelectric immunosensor for Leishmania chagasi antibodies in canine serum. Anal Bioanal Chem 2011; 401:917-25. [DOI: 10.1007/s00216-011-5136-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2010] [Revised: 04/27/2011] [Accepted: 05/20/2011] [Indexed: 10/18/2022]
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Agrisuelas J, García-Jareño J, Gimenez-Romero D, Vicente F. An approach to the electrochemical activity of poly-(phenothiazines) by complementary electrochemical impedance spectroscopy and Vis–NIR spectroscopy. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2009.12.092] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Gorodetsky AA, Hammond WJ, Hill MG, Slowinski K, Barton JK. Scanning electrochemical microscopy of DNA monolayers modified with Nile Blue. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:14282-14288. [PMID: 19053641 PMCID: PMC2668266 DOI: 10.1021/la8029243] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Scanning electrochemical microscopy (SECM) is used to probe long-range charge transport (CT) through DNA monolayers containing the redox-active Nile Blue (NB) intercalator covalently affixed at a specific location in the DNA film. At substrate potentials negative of the formal potential of covalently attached NB, the electrocatalytic reduction of Fe(CN)6(3-) generated at the SECM tip is observed only when NB is located at the DNA/solution interface; for DNA films containing NB in close proximity to the DNA/electrode interface, the electrocatalytic effect is absent. This behavior is consistent with both rapid DNA-mediated CT between the NB intercalator and the gold electrode as well as a rate-limiting electron transfer between NB and the solution phase Fe(CN)6(3-). The DNA-mediated nature of the catalytic cycle is confirmed through sequence-specific and localized detection of attomoles of TATA-binding protein, a transcription factor that severely distorts DNA upon binding. Importantly, the strategy outlined here is general and allows for the local investigation of the surface characteristics of DNA monolayers both in the absence and in the presence of DNA binding proteins. These experiments highlight the utility of DNA-modified electrodes as versatile platforms for SECM detection schemes that take advantage of CT mediated by the DNA base pair stack.
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Yang P, Zou S, Yang W. Positive and negative ZnO micropatterning on functionalized polymer surfaces. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2008; 4:1527-36. [PMID: 18711752 DOI: 10.1002/smll.200700859] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Patterned ZnO deposition on substrates has received increasing attention because of its great potential in photocatalysis, energy conversion, and electro-optical techniques. Chemical solution growth is especially promising for organic substrates due to its very mild reaction conditions. Here this method is used on functionality-patterned polymer surfaces in order to fabricate positive and negative ZnO micropatterns. A ZnO film made of arrayed rods, typically 500-750 nm in diameter and 2.5 microm in length, is selectively obtained on sulfated and hydroxylated regions of biaxially oriented poly(propylene), giving rise to positive patterns. For reactive polyesters such as poly(ethylene terephthalate), the ZnO rods selectively remain on the unmodified original regions, creating negative patterns. Unlike complex photolithography procedures, the irradiation and patterning processes do not require the use of positive or negative photoresists, and possible damage from acidic solutions on the underlying substrate during the chemical etching process is avoided. The process thus proves to be a simple, creditable, and low-cost method, which could be easily applied on a variety of inert and reactive polymer surfaces.
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Affiliation(s)
- Peng Yang
- The State Key Laboratory of Chemical Resource Engineering Beijing, PR China
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Tian H, Bergren AJ, McCreery RL. Ultraviolet-visible spectroelectrochemistry of chemisorbed molecular layers on optically transparent carbon electrodes. APPLIED SPECTROSCOPY 2007; 61:1246-53. [PMID: 18028705 DOI: 10.1366/000370207782597094] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Pyrolysis of diluted commercial photoresist spun onto quartz slides yields optically transparent graphitic films. Transparent carbon electrodes approximately 6 nm thick can be reproducibly prepared, with a maximum absorbance in the ultraviolet-visible (UV-vis) range of 0.25 at 270 nm. These electrodes are sufficiently conductive for electrochemistry, enabling modification of the surface via diazonium ion reduction and spectroelectrochemistry. Good quality ultraviolet-visible absorption spectra of covalently bonded molecular layers of nitroazobenzene, nitrobiphenyl, and azobenzene, with thicknesses of 1.4-4 nm, were obtained after subtracting the spectrum of the unmodified substrate. The spectra of all three molecules immobilized on the carbon surface showed red shifts of the absorption maxima relative to a solution of free molecules, indicating substantial electronic interactions between chemisorbed molecules and the Pi system of the substrate and/or intermolecular coupling. Spectroelectrochemical measurements show that reduction of free and chemisorbed molecules produce new absorption features in the 500-800 nm range; these spectral changes are partially reversible upon repeated potential cycling. Finally, density functional calculations correlate the new bands to the formation of anion radical or "methide" species that have more extensive electron delocalization than the parent molecules. The results from this work are useful for linking structural transformations in molecular layers "buried" under conductive top contacts in a type of molecular junction to changes in the electronic properties of the junction.
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Affiliation(s)
- Hong Tian
- Department of Chemistry, The Ohio State University, 100 W 18th Avenue, Columbus, OH 43210, USA
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Agrisuelas J, Giménez-Romero D, García-Jareño J, Vicente F. Vis/NIR spectroelectrochemical analysis of poly-(Azure A) on ITO electrode. Electrochem commun 2006. [DOI: 10.1016/j.elecom.2006.01.022] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Electrooxidative coupling of a toluidine blue O terminated self-assembled monolayer studied by electrochemistry and surface enhanced Raman spectroscopy. J Electroanal Chem (Lausanne) 2002. [DOI: 10.1016/s0022-0728(01)00702-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Wang Y, Cardona CM, Kaifer AE. Molecular Orientation Effects on the Rates of Heterogeneous Electron Transfer of Unsymmetric Dendrimers. J Am Chem Soc 1999. [DOI: 10.1021/ja991628g] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yun Wang
- Center for Supramolecular Science and Department of Chemistry, University of Miami Coral Gables, Florida 33124-0431
| | - Claudia M. Cardona
- Center for Supramolecular Science and Department of Chemistry, University of Miami Coral Gables, Florida 33124-0431
| | - Angel E. Kaifer
- Center for Supramolecular Science and Department of Chemistry, University of Miami Coral Gables, Florida 33124-0431
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Xiao Y, Ju HX, Chen HY. A reagentless hydrogen peroxide sensor based on incorporation of horseradish peroxidase in poly(thionine) film on a monolayer modified electrode. Anal Chim Acta 1999. [DOI: 10.1016/s0003-2670(99)00254-8] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Hu XY, Xiao Y, Chen HY. Adsorption characteristics of Fe(CN)63−/4− on Au colloids as monolayer films on cysteamine-modified gold electrode. J Electroanal Chem (Lausanne) 1999. [DOI: 10.1016/s0022-0728(99)00113-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Stine KJ, Andrauskas DM, Khan AR, Forgo P, D’Souza VT. Electrochemical study of self-assembled monolayers of a β-cyclodextrin methyl sulfide covalently linked to anthraquinone. J Electroanal Chem (Lausanne) 1999. [DOI: 10.1016/s0022-0728(99)00098-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Fang H, Hu XY, Chen HY. Integration analysis of the cyclic voltammograms of the electrode reaction in a diffusionless system. J Electroanal Chem (Lausanne) 1999. [DOI: 10.1016/s0022-0728(99)00100-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ng YF, Strutwolf J, Garratt PJ, Williams DE. Cationic systems as self-assembled monolayers on gold surfaces. J Electroanal Chem (Lausanne) 1999. [DOI: 10.1016/s0022-0728(99)00050-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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A voltammetric investigation of the reactions between surface-confined amines and quinones on gold electrodes: evidence for imine formation. J Electroanal Chem (Lausanne) 1998. [DOI: 10.1016/s0022-0728(98)00117-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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19
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Lang P, Mekhalif Z, Rat B, Gamier F. Self-assembled alkylthiols monolayers onto platinum; Influence of the adsorbed oxygen. J Electroanal Chem (Lausanne) 1998. [DOI: 10.1016/s0022-0728(97)00421-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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The electrochemical characteristics of an inorganic monolayer film modified gold electrode and its molecular recognition of alkali metal cation. J Electroanal Chem (Lausanne) 1997. [DOI: 10.1016/s0022-0728(96)04971-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ohtani M, Kuwabata S, Yoneyama H. Electrochemical oxidation of reduced nicotinamide coenzymes at Au electrodes modified with phenothiazine derivative monolayers. J Electroanal Chem (Lausanne) 1997. [DOI: 10.1016/s0022-0728(96)04888-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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22
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Chen HY, Zhou DM, Xu JJ, Fang HQ. Electrocatalytic oxidation of NADH at a gold electrode modified by thionine covalently bound to self-assembled cysteamine monolayers. J Electroanal Chem (Lausanne) 1997. [DOI: 10.1016/s0022-0728(96)04887-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Electropolymerization of phenothiazine, phenoxazine and phenazine derivatives: Characterization of the polymers by UV-visible difference spectroelectrochemistry and Fourier transform IR spectroscopy. J Electroanal Chem (Lausanne) 1995. [DOI: 10.1016/0022-0728(95)04127-a] [Citation(s) in RCA: 124] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Lötzbeyer T, Schuhmann W, Schmidt HL. Direct electrocatalytical H2O2 reduction with hemin covalently immobilized at a monolayer-modified gold electrode. J Electroanal Chem (Lausanne) 1995. [DOI: 10.1016/0022-0728(95)04265-p] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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