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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la100444n
|2 doi
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|a pubmed24n0665.xml
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|a (DE-627)NLM199429057
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|a (NLM)20614910
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Mezour, Mohamed A
|e verfasserin
|4 aut
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| 245 |
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|a Detection of hydrogen peroxide produced during the oxygen reduction reaction at self-assembled thiol-porphyrin monolayers on gold using SECM and nanoelectrodes
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.11.2010
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Porphyrin molecules were immobilized on polycrystalline gold and glassy carbon by coordinating cobalt(II) 5,10,15,20-tetraphenyl-21H,23H-porphine to a 4-aminothiophenol self-assembled monolayer. The resulting electrocatalytic activity of the metalloporphyrin-modified substrates with regard to the oxygen reduction reaction was characterized by means of cyclic voltammetry and scanning electrochemical microscopy (SECM) using nanoelectrodes of well-defined geometry. From substrate generation tip collection (SG-TC) mode SECM measurements performed under steady-state conditions and at different applied substrate potentials, it is possible to extract kinetic information relevant to electrocatalyst substrates such as metalloporphyrin-modified gold and glassy-carbon electrodes. Such an approach allows for the isolation of the unique contribution of the electrocatalyst to the oxygen reduction reaction and peroxide formation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Porphyrins
|2 NLM
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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|a Cornut, Renaud
|e verfasserin
|4 aut
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|a Hussien, Emad Mohamed
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Morin, Mario
|e verfasserin
|4 aut
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| 700 |
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|a Mauzeroll, Janine
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 26(2010), 15 vom: 03. Aug., Seite 13000-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:26
|g year:2010
|g number:15
|g day:03
|g month:08
|g pages:13000-6
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|u http://dx.doi.org/10.1021/la100444n
|3 Volltext
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