Understanding nanocellulose chirality and structure-properties relationship at the single fibril level
| LEADER | caa a22 4500 | ||
|---|---|---|---|
| 001 | 528785826 | ||
| 005 | 20190713030955.0 | ||
| 007 | cr unu---uuuuu | ||
| 008 | 180924s2015 xx s 000 0 eng | ||
| 024 | 7 | 0 | |a 10.3929/ethz-b-000102529 |2 doi |
| 024 | 7 | 0 | |a 10.1038/ncomms8564 |2 doi |
| 035 | |a (ETHRESEARCH)oai:www.research-collecti.ethz.ch:20.500.11850/102529 | ||
| 245 | 0 | 0 | |a Understanding nanocellulose chirality and structure-properties relationship at the single fibril level |h [Elektronische Daten] |c [Ivan Usov, Gustav Nyström, Jozef Adamcik, Stephan Handschin, Christina Schütz, Andreas Fall, Lennart Bergström, Raffaele Mezzenga] |
| 246 | 0 | |a Nat Commun | |
| 506 | |a Open access |2 ethresearch | ||
| 520 | 3 | |a Nanocellulose fibrils are ubiquitous in nature and nanotechnologies but their mesoscopic structural assembly is not yet fully understood. Here we study the structural features of rod-like cellulose nanoparticles on a single particle level, by applying statistical polymer physics concepts on electron and atomic force microscopy images, and we assess their physical properties via quantitative nanomechanical mapping. We show evidence of right-handed chirality, observed on both bundles and on single fibrils. Statistical analysis of contours from microscopy images shows a non-Gaussian kink angle distribution. This is inconsistent with a structure consisting of alternating amorphous and crystalline domains along the contour and supports process-induced kink formation. The intrinsic mechanical properties of nanocellulose are extracted from nanoindentation and persistence length method for transversal and longitudinal directions, respectively. The structural analysis is pushed to the level of single cellulose polymer chains, and their smallest associated unit with a proposed 2 × 2 chain-packing arrangement. | |
| 540 | |a Creative Commons Attribution 4.0 International |u http://creativecommons.org/licenses/by/4.0 |2 ethresearch | ||
| 700 | 1 | |a Usov |D Ivan |e joint author | |
| 700 | 1 | |a Nyström |D Gustav |e joint author | |
| 700 | 1 | |a Adamcik |D Jozef |e joint author | |
| 700 | 1 | |a Handschin |D Stephan |e joint author | |
| 700 | 1 | |a Schütz |D Christina |e joint author | |
| 700 | 1 | |a Fall |D Andreas |e joint author | |
| 700 | 1 | |a Bergström |D Lennart |e joint author | |
| 700 | 1 | |a Mezzenga |D Raffaele |e joint author | |
| 773 | 0 | |t Nature Communications |d London : Nature Publishing Group |g 6, p. 7564 |x 2041-1723 | |
| 856 | 4 | 0 | |u http://hdl.handle.net/20.500.11850/102529 |q text/html |z WWW-Backlink auf das Repository (Open access) |
| 908 | |D 1 |a Journal Article |2 ethresearch | ||
| 950 | |B ETHRESEARCH |P 856 |E 40 |u http://hdl.handle.net/20.500.11850/102529 |q text/html |z WWW-Backlink auf das Repository (Open access) | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Usov |D Ivan |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Nyström |D Gustav |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Adamcik |D Jozef |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Handschin |D Stephan |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Schütz |D Christina |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Fall |D Andreas |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Bergström |D Lennart |e joint author | ||
| 950 | |B ETHRESEARCH |P 700 |E 1- |a Mezzenga |D Raffaele |e joint author | ||
| 950 | |B ETHRESEARCH |P 773 |E 0- |t Nature Communications |d London : Nature Publishing Group |g 6, p. 7564 |x 2041-1723 | ||
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 949 | |B ETHRESEARCH |F ETHRESEARCH |b ETHRESEARCH |j Journal Article |c Open access | ||