Interpreting Diffusion Coefficients of Electrochemical Probes in Oil-in-Water Microemulsions

Raymond A. Mackay; Stephanie A. Myers; Anna Brajter-Toth

doi:10.1002/elan.1140080810

Interpreting Diffusion Coefficients of Electrochemical Probes in Oil-in-Water Microemulsions

Raymond A. Mackay, Stephanie A. Myers, Anna Brajter-Toth

Chemistry and Physics

Research output: Contribution to journal › Article

12 Scopus citations

Abstract

The relationship between apparent diffusion coefficients, D′, of electroactive probe and the microstructure of an oil-in-water anionic microemulsion, sodium dodecyl sulfate (SDS)/dodecane/1-pentanol/0.1 M NaCl_aq has been investigated. Three probes, ferrocene (Fc), Fe(CN)^3-₆ and methyl viologen (MV²⁺) allowed the effect of different microstructure and interactions on the D′-values to be investigated. The results indicate that the droplet as well as bicontinuous microemulsion structures can be identified and point to the effects of cross-phase exchange, partitioning, and multiple binding on the D′-values.

Original language	English (US)
Pages (from-to)	759-764
Number of pages	6
Journal	Electroanalysis
Volume	8
Issue number	8-9
DOIs	https://doi.org/10.1002/elan.1140080810
State	Published - Jan 1 1996

Keywords

Apparent diffusion coefficients
Electrochemical methods
Fe(CN)
Ferrocene
Methyl viologen
SDS/dodecane/1-pentanol/0.1 M NaCl anionic oil-in-water microemulsion
Structure determination

ASJC Scopus subject areas

Analytical Chemistry
Electrochemistry

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10.1002/elan.1140080810

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title = "Interpreting Diffusion Coefficients of Electrochemical Probes in Oil-in-Water Microemulsions",

abstract = "The relationship between apparent diffusion coefficients, D′, of electroactive probe and the microstructure of an oil-in-water anionic microemulsion, sodium dodecyl sulfate (SDS)/dodecane/1-pentanol/0.1 M NaClaq has been investigated. Three probes, ferrocene (Fc), Fe(CN)3-6 and methyl viologen (MV2+) allowed the effect of different microstructure and interactions on the D′-values to be investigated. The results indicate that the droplet as well as bicontinuous microemulsion structures can be identified and point to the effects of cross-phase exchange, partitioning, and multiple binding on the D′-values.",

keywords = "Apparent diffusion coefficients, Electrochemical methods, Fe(CN), Ferrocene, Methyl viologen, SDS/dodecane/1-pentanol/0.1 M NaCl anionic oil-in-water microemulsion, Structure determination",

author = "Mackay, {Raymond A.} and Myers, {Stephanie A.} and Anna Brajter-Toth",

year = "1996",

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AU - Mackay, Raymond A.

AU - Myers, Stephanie A.

AU - Brajter-Toth, Anna

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Y1 - 1996/1/1

N2 - The relationship between apparent diffusion coefficients, D′, of electroactive probe and the microstructure of an oil-in-water anionic microemulsion, sodium dodecyl sulfate (SDS)/dodecane/1-pentanol/0.1 M NaClaq has been investigated. Three probes, ferrocene (Fc), Fe(CN)3-6 and methyl viologen (MV2+) allowed the effect of different microstructure and interactions on the D′-values to be investigated. The results indicate that the droplet as well as bicontinuous microemulsion structures can be identified and point to the effects of cross-phase exchange, partitioning, and multiple binding on the D′-values.

AB - The relationship between apparent diffusion coefficients, D′, of electroactive probe and the microstructure of an oil-in-water anionic microemulsion, sodium dodecyl sulfate (SDS)/dodecane/1-pentanol/0.1 M NaClaq has been investigated. Three probes, ferrocene (Fc), Fe(CN)3-6 and methyl viologen (MV2+) allowed the effect of different microstructure and interactions on the D′-values to be investigated. The results indicate that the droplet as well as bicontinuous microemulsion structures can be identified and point to the effects of cross-phase exchange, partitioning, and multiple binding on the D′-values.

KW - Apparent diffusion coefficients

KW - Electrochemical methods

KW - Fe(CN)

KW - Ferrocene

KW - Methyl viologen

KW - SDS/dodecane/1-pentanol/0.1 M NaCl anionic oil-in-water microemulsion

KW - Structure determination

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