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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202109701
|2 doi
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|a pubmed24n1147.xml
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|a (NLM)35906820
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Bai, Xiangyang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Controlled Covalent Self-Assembly of a Homopolymer for Multiscale Materials Engineering
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 28.09.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Polymer self-assembly is a crucial process in materials engineering. Currently, almost all polymer self-assembly is limited to non-covalent bonding methods, even though these methods have drawbacks as they require complicated synthesis techniques and produce relatively unstable structures. Here, a novel mechanism of covalent polymer self-assembly is discovered and employed to address drawbacks of non-covalent polymer self-assembly. A simple ketone homopolymer is found to self-assemble into nano- to macroscale hydrogels during covalent crosslinking. In contrast to non-covalent self-assembly, the covalent self-assembly is independent of and unaffected by solvent conditions (e.g., polarity and ionic strength) and does not require additional agents, e.g., organic solvents and surfactants. The covalent polymer self-assembly is subjected to a new mechanism of control by tuning the covalent crosslinking rate. This leads to nanogels with an unprecedented and tightly controlled range of dimensions from less than 10 nm to above 100 nm. Moreover, the crosslinking rate also regulates the assembly behavior of microgels fabricated by microfluidics. The microgels self-assemble into granular fibers, which is 3D printed into stable porous scaffolds. The novel covalent polymer assembly method has enormous potential to revolutionize multiscale materials fabrication for applications in drug delivery, tissue engineering, and many other fields
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4 |
|a Journal Article
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4 |
|a 3D printing
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4 |
|a covalent self-assembly
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4 |
|a ketone homopolymers
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| 650 |
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4 |
|a microgels
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| 650 |
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4 |
|a nanogels
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| 700 |
1 |
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|a Sun, Qingxue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Hao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guerzoni, Luis P B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wuttke, Stefan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kiessling, Fabian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a De Laporte, Laura
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lammers, Twan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Yang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 39 vom: 28. Sept., Seite e2109701
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:39
|g day:28
|g month:09
|g pages:e2109701
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202109701
|3 Volltext
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