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Strasser, S.* ; Zink, A.* ; Janko, M.* ; Heckl, W.M.* ; Thalhammer, S.

Structural investigations on native collagen type I fibrils using AFM.

Biochem. Biophys. Res. Commun. 354, 27-32 (2007)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
This study was carried out to determine the elastic properties of single collagen type I fibrils with the use of atomic force microscopy (AFM). Native collagen fibrils were formed by self-assembly in vitro characterized with the AFM. To confirm the inner assembly of the collagen fibrils, the AFM was used as a microdissection tool. Native collagen type I fibrils were dissected and the inner core uncovered. To determine the elastic properties of collagen fibrils the tip of the AFM was used as a nanoindentor by recording force-displacement curves. Measurements were done on the outer shell and in the core of the fibril. The structural investigations revealed the banding of the shell also in the core of native collagen fibrils. Nanoindentation experiments showed the same Young's modulus on the shell as well as in the core of the investigated native collagen fibrils. In addition, the measurements indicate a higher adhesion in the core of the collagen fibrils compared to the shell.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter AFM; microdissection; force spectroscopy; collagen
Sprache englisch
Veröffentlichungsjahr 2007
HGF-Berichtsjahr 2007
ISSN (print) / ISBN 0006-291X
e-ISSN 1090-2104
Zeitschrift Biochemical and Biophysical Research Communications
Quellenangaben Band: 354, Heft: 1, Seiten: 27-32 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Protection (ISS)
POF Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Forschungsfeld(er) Radiation Sciences
PSP-Element(e) G-501100-006
PubMed ID 17210119
DOI 10.1016/j.bbrc.2006.12.114
WOS ID 000244133800005
Scopus ID 33846330869
Erfassungsdatum 2007-01-31
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