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240611s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00594
|2 doi
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|a pubmed24n1451.xml
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|a (NLM)38858163
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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 Yoon, Seokyoung
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Chain-like One-Dimensional Assembly of Mesoporous Silica Nanoparticles
|b An Approach To Improve Hydrogel Adhesion
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|c 2024
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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 Revised 25.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Mesoporous silica nanoparticles (MSNPs) are well known for their adhesive properties with hydrogels and living tissues. However, achieving direct contact between the silica nanoparticle surface and the adherend necessitates the removal of capping agents, which can lead to severe aggregation when exposed to wet surfaces. This aggregation is ineffective for simultaneously bridging the two adherends, resulting in a reduced adhesive strength. In this study, we designed and synthesized mesoporous silica nanochains (MSNCs) to enhance the interactions with hydrogels by promoting the formation of coarser structures with increased nanopore exposure. Chain-like one-dimensional assemblies in the MSNCs were generated by depleting the capping ligand, cetyltrimethylammonium bromide, from the surface of the MSNPs. To quantify the porous areas of the MSNCs, we analyzed scanning electron microscopy (SEM) images using an in-house SEM image analysis algorithm. Additionally, we conducted a comparative assessment of the adhesion energies of MSNCs and MSNPs on a poly(dimethylacrylamide) hydrogel using a universal testing machine. The MSNCs exhibited a maximum adhesion energy of 13.7 ± 0.7 J/m2 at 3 wt %, surpassing that of MSNPs (10.9 ± 0.3 J/m2) at 2 wt %. Moreover, the unique stacking structure of the MSNCs enabled them to maintain an adhesion energy of 13.4 ± 1.0 J/m2 at a high concentration of 9 wt %, whereas the adhesion energy of MSNPs decreased to 8.2 ± 0.4 J/m2. This underscores their potential as superior hydrogel adhesives in challenging wet tissue-like environments
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|a Journal Article
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| 700 |
1 |
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|a Kim, Min Jeong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Chansong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Yunchul
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Byoungsang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Chae Yeon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lim, Byungkwon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Jung Heon
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 25 vom: 25. Juni, Seite 12967-12973
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:25
|g day:25
|g month:06
|g pages:12967-12973
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00594
|3 Volltext
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|d 40
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|h 12967-12973
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