Nanoscale TEM Imaging of Hydrogel Network Architecture.
dangling chains
direct observations
double networks
hydrogels
inhomogeneity
mineral staining
polymer networks
transmission electron microscopy
Journal
Advanced materials (Deerfield Beach, Fla.)
ISSN: 1521-4095
Titre abrégé: Adv Mater
Pays: Germany
ID NLM: 9885358
Informations de publication
Date de publication:
Jan 2023
Jan 2023
Historique:
revised:
03
11
2022
received:
27
09
2022
pubmed:
10
11
2022
medline:
10
11
2022
entrez:
9
11
2022
Statut:
ppublish
Résumé
In this work, the authors succeed in direct visualization of the network structure of synthetic hydrogels with transmission electron microscopy (TEM) by developing a novel staining and network fixation method. Such a direct visualization is not carried out because sample preparation and obtaining sufficient contrast are challenging for these soft materials. TEM images reveal robust heterogeneous network architectures at mesh size scale and defects at micro-scale. TEM images also reveal the presence of abundant dangling chains on the surface of the hydrogel network. The real space structural information provides a comprehensive perspective that links bulk properties with a nanoscale network structure, including fracture, adhesion, sliding friction, and lubrication. The presented method has the potential to advance the field.
Identifiants
pubmed: 36349878
doi: 10.1002/adma.202208902
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2208902Subventions
Organisme : JSPS KAKENHI
ID : JP17H06144
Organisme : JSPS KAKENHI
ID : JP17H06376
Organisme : JSPS KAKENHI
ID : JP22H04968
Organisme : JSPS Research Fellow
ID : JP16J05057
Organisme : Ambitious Leaders Program
Organisme : JSPS KAKENHI
ID : 19H00905
Organisme : JSPS KAKENHI
ID : 22H00329
Informations de copyright
© 2022 Wiley-VCH GmbH.
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