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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00264
|2 doi
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|a pubmed24n1184.xml
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|a (DE-627)NLM355408937
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|a (NLM)37036269
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wiebe, Hannah
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Adsorption of Tannic Acid onto Gold Surfaces
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1 |
|c 2023
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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 25.04.2023
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|a Date Revised 25.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Thin film coatings are widely applicable in materials for consumer products, electronics, optical coatings, and even biomedical applications. Wet coating can be an effective method to obtain thin films of functional materials, and this technique has recently been studied in depth for the formation of bioinspired polyphenolic films. Naturally occurring polyphenols such as tannic acid (TA) have garnered interest due to their roles in biological processes and their applicability as antioxidants, antibacterial agents, and corrosion inhibitors. Understanding the adsorption of polyphenols to surfaces is a core aspect in the fabrication processes of thin films of these materials. In this work, the adsorption of TA to gold surfaces is measured using a quartz crystal microbalance with dissipation monitoring (QCMD) and surface plasmon resonance (SPR) for a wide range of TA concentrations. The adsorption kinetics, aggregation, and stability of TA solutions in physiological-like conditions are studied. Unexpectedly, it is found that the adsorption rates depend only weakly on concentration because of the presence of TA aggregates that do not adsorb. The mechanism of layer formation is also investigated, finding that TA monolayers readily adsorb onto gold with flat or edge-on molecular orientations dependent on the solution concentration. A mix of orientations in the intermediate case leads to slow multilayer adsorption
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|a Journal Article
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1 |
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|a Nguyen, Phuong Trang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bourgault, Steve
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van de Ven, Theo G M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gaudreault, Roger
|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 39(2023), 16 vom: 25. Apr., Seite 5851-5860
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:16
|g day:25
|g month:04
|g pages:5851-5860
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4 |
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00264
|3 Volltext
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|d 39
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