Temat: elastin - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Charakterystyka usieciowanych biomateriałów na bazie kolagenu i elastyny
The characterization of cross-linked collagen and collagen/elastin based biomaterials
Autorzy:: Skopińska-Wiśniewska, J.
Sionkowska, A.
Gawron, M.
Kozłowska, J.
Płanecka, A.
Powiązania:: https://bibliotekanauki.pl/articles/286050.pdf
Data publikacji:: 2010
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:: biomateriały
kolagen
elastyna
biomaterials
collagen
elastin
Źródło:: Engineering of Biomaterials; 2010, 13, no. 99-101; 97-99
1429-7248
Pojawia się w:: Engineering of Biomaterials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Influence of selective digestion of elastin and collagen on mechanical properties of human aortas
Autorzy:: Kobielarz, M.
Chwiłkowska, A.
Turek, A.
Maksymowicz, K.
Marciniak, M.
Powiązania:: https://bibliotekanauki.pl/articles/306446.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: kolagen
elastyna
właściwości mechaniczne
aorta
collagen
elastin
selective digestion
mechanical properties
Opis:: Purpose: There are two families of fibres taking part in the process of mechanical loads transfer, i.e. elastin and collagen fibres. Their number, spatial arrangement and specific properties determine the capacity of a blood vessels to resist mechanical loads resulting from the impact of blood on vessel walls. The purpose of the present paper is to define the load-bearing capacities of elastin and collagen scaffolds equivalent to natural fibre arrangements of human aorta and produced by selective digestion. Methods: Samples of thoracic human aortas were digested by using phosphate buffer of trypsin at pH 8.0 for 22 hours in order to degrade elastin and by autoclaving followed by incubation in 90% formic acid for 22 hours. The efficacy of digestion was assessed immunohistochemically. Mechanical properties of pre-stretched native and digested samples were determined by uniaxial tensile test. Results: Samples subjected to autoclaving have been successfully deprived of both types of collagen and elastin has been intact. Treatment with trypsin caused a removal of elastin and the presence of type I and IV collagen was demonstrated. Digestion of aortic samples either by formic acid or trypsin has resulted significantly decreasing mechanical properties in comparison with native samples. Conclusions: Collagen and elastin scaffold-like stuctures have been effectively produced by selective digestion of thoracic human aorta and their contribution to the load-bearing process was evaluated. Isolated collagen network are more durable and stiffer and less deformable than elastin network, hence are responsible for load-bearing process at higher strain since the range of working of elastin is at lower strain values.
Źródło:: Acta of Bioengineering and Biomechanics; 2015, 17, 2; 55-62
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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