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250926s2025 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5c03185
|2 doi
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|a pubmed25n1592.xml
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|a (NLM)41001816
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|a eng
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| 100 |
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|a Zier, Sandro
|e verfasserin
|4 aut
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| 245 |
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|a Growing Sustainable Barrier Coatings from Edible Fungal Mycelia
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|c 2025
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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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|2 rdacarrier
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|a Date Completed 07.10.2025
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|a Date Revised 07.10.2025
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Cellulose nanofibrils (CNFs) have emerged as sustainable alternatives to single-use plastics due to their favorable barrier properties; however, their inherent hydrophilic properties limit their efficacy as water barriers. In this work, we present a novel approach using a CNF matrix and fungal mycelia to grow coatings directly onto a range of paper and textile substrates to enhance their liquid water resistance via a sustainable, low-energy process. We demonstrate that CNF-based mycelial coatings exhibit a water contact angle (CA) of 139.1° ± 3.5° and a water uptake of 29.6 g m-2 ± 3.5 g m-2 after 3 days of growth, compared to a CA of 27.2° ± 5.0° and a water uptake value of 80.0 g m-2 ± 12.8 g m-2 for a CNF coating alone. Furthermore, the CNF-based coating still retained excellent oil and grease barrier properties (Kit Test of 12), air permeability, and oxygen transmission rates even after at least 3 days of mycelial growth. Comparing CNFs and pulp as a matrix for the coating, we find that CNF facilitates faster growth, a higher maximum CA, and a lower water uptake than pulp. Finally, we demonstrate that both the hyphal structure and surface hydrophobicity are playing a role in water barrier functionality by comparing the grown mycelial coating to a coating of fungal hydrophobic surface proteins─hydrophobins─alone. Collectively, our work demonstrates that growing CNF-based mycelial coatings onto paper or textile substrates offers a potentially scalable solution to create water-resistant barriers on diverse substrates, creating more sustainable alternatives to single-use plastics
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|a Journal Article
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|a Cellulose
|2 NLM
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|a 9004-34-6
|2 NLM
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a White, Liza R
|e verfasserin
|4 aut
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|a Johnstone, Dalton
|e verfasserin
|4 aut
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|a Hoeft, Zechariah
|e verfasserin
|4 aut
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|a El Hajam, Maryam
|e verfasserin
|4 aut
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| 700 |
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|a Kurtz, Patrick
|e verfasserin
|4 aut
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|a Wendell, David
|e verfasserin
|4 aut
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|a Tajvidi, Mehdi
|e verfasserin
|4 aut
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|a Bousfield, Douglas
|e verfasserin
|4 aut
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|a Howell, Caitlin
|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 41(2025), 39 vom: 07. Okt., Seite 26751-26759
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:41
|g year:2025
|g number:39
|g day:07
|g month:10
|g pages:26751-26759
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|u http://dx.doi.org/10.1021/acs.langmuir.5c03185
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