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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c02492
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Mengel, Shawn D
|e verfasserin
|4 aut
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| 245 |
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|a Diffusely Charged Polymeric Zwitterions as Loosely Hydrated Marine Antifouling Coatings
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 10.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Polymeric zwitterions exhibit exceptional fouling resistance through the formation of a strongly hydrated surface of immobilized water molecules. While being extensively tested for their performance in biomedical, membrane, and, to a lesser extent, marine environments, few studies have investigated how the molecular design of the zwitterion may enhance its performance. Furthermore, while theories of zwitterion antifouling mechanisms exist for molecular-scale foulant species (e.g., proteins and small molecules), it remains unclear how molecular-scale mechanisms influence the micro- and macroscopic interactions of relevance for marine applications. The present study addresses these gaps through the use of a modular zwitterion chemistry platform, which is characterized by a combination of surface-sensitive sum frequency generation (SFG) vibrational spectroscopy and marine assays. Zwitterions with increasingly delocalized cations demonstrate improved fouling resistance against the green alga Ulva linza. SFG spectra correlate well with the assay results, suggesting that the more diffuse charges exhibit greater surface hydration with more bound water molecules. Hence, the number of bound interfacial water molecules appears to be more influential in determining the marine antifouling activities of zwitterionic polymers than the binding strength of individual water molecules at the interface
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|a Journal Article
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|a Guo, Wen
|e verfasserin
|4 aut
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1 |
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|a Wu, Guangyao
|e verfasserin
|4 aut
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| 700 |
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|a Finlay, John A
|e verfasserin
|4 aut
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| 700 |
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|a Allen, Peter
|e verfasserin
|4 aut
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| 700 |
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|a Clare, Anthony S
|e verfasserin
|4 aut
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| 700 |
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|a Medhi, Riddhiman
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Zhan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ober, Christopher K
|e verfasserin
|4 aut
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| 700 |
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|a Segalman, Rachel A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 1 vom: 09. Jan., Seite 282-290
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:1
|g day:09
|g month:01
|g pages:282-290
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|u http://dx.doi.org/10.1021/acs.langmuir.3c02492
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