Nanostructuring of Langmuir‐Blodgett Films Containing a Novel Thiomacrocyclic Ionophore on Si3N4/SiO2/Si for Copper Ion Recognition

Oliveira, I.A. Marques de; Torrent‐Burgués, J.; Pla, M.; Zine, Nadia; Bausells, Joan; Escriche, Lluís; Casabó, Jaume; Errachid, Abdelhamid; Samitier, J.

doi:10.1080/00032710600713990

Cited by 7 publications

(5 citation statements)

References 6 publications

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“…The amperometric study also shows that the sensitivity of the GCEr-ThM is higher than that of a bare electrode. All these results are in agreement with the ionophore character of the thyomacrocycle compound with respect to Cu(II) ions, previously observed [12,13].…”

Section: Final Conclusionsupporting

confidence: 80%

Electrochemical Response of a Vitreous Carbon Electrode Modified by a Thiomacrocyclic Compound Film

Guaus

Torrent‐Burgués

2007

Port. Electrochim. Acta

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A Langmuir-Schaefer (LS) film of a thiomacrocyclic (ThM) compound was deposited on the surface of a glassy carbon electrode (GCE) rod, from a subphase containing Cu(II) ions. The voltammetric response of this modified GCE when the ThM was bonded to Cu 2+ , showed that the LS film moved the oxidation peaks of copper to more positive values. On the other hand, a LS film of the ThM compound was deposited on the surface of a GCE rod from a subphase of pure water. When the voltammetric response of the GCE-ThM electrode was studied in a Cu 2+ -SO 4 2-solution, it was found that the modified electrode increases its sensitivity respect to Cu 2+ at low bulk Cu 2+ concentrations in solution, and a surface-complexation reaction is proposed to explain the effect of the LS film on the GCE surface.Keywords: modified electrodes, Langmuir-Schaefer films, cyclic voltammetry, surfacecomplexation reaction.

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Section: Final Conclusionsupporting

confidence: 80%

Electrochemical Response of a Vitreous Carbon Electrode Modified by a Thiomacrocyclic Compound Film

Guaus

Torrent‐Burgués

2007

Port. Electrochim. Acta

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“…Figure 1 outlines the synthesis of the macrocycle 4-phenyl-4-sulfide-11-(1-oxodecyl)-1,7-dithia-11-aza-4-phosphacyclotetradecane (IV). Compounds I and II were prepared as described procedures [12,13]. Chemicals used were of the highest purity and all the syntheses were carried out using standard Schlenk techniques under dry nitrogen atmosphere.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Langmuir and Langmuir–Blodgett films of a thiomacrocyclic ionophore by surface pressure and AFM

Torrent‐Burgués¹,

Pla²,

Escriche³

et al. 2006

Journal of Colloid and Interface Science

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The new synthesized thiomacrocyclic ionophore 4-phenyl-4-sulfide-11-(1-oxodecyl)-1,7-dithia-11-aza-4-phosphacyclotetradecane has proven to form Langmuir and Langmuir-Blodgett (LB) films. This ionophore shows a large affinity for copper (II) ions. Then, the influence of the subphase composition on the surface pressure-area isotherms has been studied. The LB films have been observed by AFM and the effect of the subphase composition and the deposition surface pressure on the LB films is discussed. AFM image morphology has been correlated to the ionophore molecular structure. Surface pressure-area isotherms and AFM images show that the presence of copper(II) ions has an important role in the film structure.

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“…Si 3 N 4 ‐coated Si substrates (Si/SiO 2 /Si 3 N 4 ) (CNM, Spain) were used in our work 40. Silicon wafers of 100‐mm diameter were oxidized (78 nm) and a Si 3 N 4 layer of 100‐nm thickness was deposited by low‐pressure chemical vapor deposition (LPCVD) 41.…”

Section: Methodsmentioning

confidence: 99%

Direct Patterning of Anti‐Human Serum Albumin Antibodies on Aldehyde‐Terminated Silicon Nitride Surfaces for HSA Protein Detection

Caballero

Samitier

Bausells

et al. 2009

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Silicon nitride surfaces are modified with a triethoxysilane aldehyde self‐assembled monolayer for the direct immobilization of monoclonal antibodies and the detection of human serum albumin proteins, without any activation requirements. Surface modification and the specific recognition interaction between the HSA protein and its associated antibody are studied by fluorescence microscopy and atomic force microscopy (see image).

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Nanostructuring of Langmuir‐Blodgett Films Containing a Novel Thiomacrocyclic Ionophore on Si₃N₄/SiO₂/Si for Copper Ion Recognition

Cited by 7 publications

References 6 publications

Electrochemical Response of a Vitreous Carbon Electrode Modified by a Thiomacrocyclic Compound Film

Electrochemical Response of a Vitreous Carbon Electrode Modified by a Thiomacrocyclic Compound Film

Characterization of Langmuir and Langmuir–Blodgett films of a thiomacrocyclic ionophore by surface pressure and AFM

Direct Patterning of Anti‐Human Serum Albumin Antibodies on Aldehyde‐Terminated Silicon Nitride Surfaces for HSA Protein Detection

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