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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c03026
|2 doi
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|a pubmed24n1169.xml
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|a (DE-627)NLM350911843
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|a (NLM)36579816
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Wood, Mary H
|e verfasserin
|4 aut
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|a Adsorption Behavior of the Coenzyme NADH at the Carbon/Electrolyte Interface Determined by Neutron Reflectometry
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 11.01.2023
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|a Date Revised 01.02.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The adsorption behavior of β-nicotinamide adenine dinucleotide (NADH) at the carbon/electrolyte interface has been studied using a combination of neutron reflectometry (NR) and solution depletion isotherms. Coupling the NR technique with an electrochemical cell allowed in situ observation of the reversible adsorption and desorption of the molecule at the electrode surface over a range of applied potentials. The overall surface coverage was low (30-50%), suggesting adsorption only at specific defect sites on the surface. Isotherms conducted over a range of temperatures were used to extract thermodynamic parameters, which implied strong physisorption via electrostatic interactions. In addition, changes in the outermost layer of the carbon electrode were observed as the applied potential was varied, which were confirmed with ex situ X-ray reflectivity measurements (XRR). X-ray photoelectron spectroscopy (XPS) measurements of the carbon surface demonstrated the majority of carbon atoms were in an sp2 state
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a NAD
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|a 0U46U6E8UK
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|a Carbon
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|a 7440-44-0
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|a Coenzymes
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|a Electrolytes
|2 NLM
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|a Rubio-Lara, Juan
|e verfasserin
|4 aut
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|a Armstrong, Alexander J
|e verfasserin
|4 aut
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|a Welbourn, Rebecca J L
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 1 vom: 10. Jan., Seite 668-678
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:1
|g day:10
|g month:01
|g pages:668-678
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|u http://dx.doi.org/10.1021/acs.langmuir.2c03026
|3 Volltext
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