Influence of collagen concentration and glutaraldehyde on collagen-based scaffold properties

Journal of Biomedical Materials Research. Part a
V Perez-PuyanaA Guerrero

Abstract

Several studies have shown the influence of the physical properties of scaffolds on their mechanical properties. An initial characterization of a type of collagen protein was carried out by studying its composition andits solubility at different pH values and infrared spectroscopy. Subsequently, porosity and scaffold pore size were studied, assessing how varying the composition of the initial solution (increasing the protein concentration or adding glutaraldehyde) changed the properties of the final scaffolds obtained. Lastly, rheological measurements were performed to evaluate the mechanical strength of the scaffolds. The initial characterization revealed that the type I collagen protein used is considerably denatured. In addition, increasing the protein content in the scaffold decreases the porosity, related to an increase in the elastic modulus producing an enhancement of its mechanical strength, while adding glutaraldehyde to the scaffold increases its mechanical strength without lowering its pore size or porosity. The results obtained are useful in that they demonstrate that it is possible to design a scaffold with specific properties, by just controlling the collagen concentration or adding glutaraldehyde to the initial s...Continue Reading

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Citations

May 12, 2016·Advanced Materials·Małgorzata A WronskaJ Gerard Wall
Jan 11, 2017·Tissue Engineering. Part a·Luis M DelgadoDimitrios I Zeugolis
Mar 8, 2018·Journal of Biomedical Optics·Benjamin E SherlockLaura Marcu
May 28, 2019·Biological Chemistry·Victor Perez-PuyanaAntonio Guerrero
Aug 1, 2019·Current Pharmaceutical Biotechnology·Mohammad F Mh Busra, Yogeswaran Lokanathan
Aug 19, 2020·The International Journal of Artificial Organs·Fereshteh Ziaei AmiriReza Faridi-Majidi
Mar 20, 2021·Signal Transduction and Targeted Therapy·Kieran JoyceAbhay Pandit
Sep 2, 2020·Chemical Reviews·Ryan W BarrsYing Mei
Jul 25, 2021·Polymers·Leire SangronizAntxon Santamaria
Nov 25, 2021·Soft Matter·Paul F SalipanteStella Alimperti

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