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Collagen stabilization using ionic liquid functionalised cerium oxide nanoparticle
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DOI：10.1016/j.ijbiomac.2019.12.271.png)
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摘要
En 中文
Nanoparticles owing to their size have a substantial influence on the biological behavior of collagen, thereby opening new channels to unfold the propensity of nanoparticles in terms of collagen stabilization. The present study aims to synthesize and characterize cerium oxide nanoparticles and to investigate their crosslinking efficiency on collagen. Cerium oxide nanoparticles, known biocatalysts, form an effective oxidation system due to their variable oxidation state. Ionic liquid functionalizes cerium oxide nanoparticles (IL-CONP) have been synthesis by the sonication method and characterizes using techniques such as Dynamic Light Scattering, and X-ray Diffraction. The hydrodynamic diameter, Zeta potential and polydispersity index of nanoparticles is 192.3 +/- 2.14 nm, -13.76 +/- 1.5 mV and 0.387, respectively. Changes in the secondary structure of collagen upon treatment with increasing concentration of IL-CONP indicate conformational modifications at the molecular level. Differential scanning calorimetry studies on rat tail tendon collagen fibers with IL-CONP indicate an increase in thermal stability of collagen from 61 to 87 degrees C. Thus, cerium oxide-based nanoparticle crosslinking invokes a considerable array of interest as a potential crosslinking agent for collagen. (C) 2020 Elsevier B.V. All rights reserved.
Keyword:
Cerium oxide nanoparticles
Collagen
Crosslinking agent
Conformational stability
Thermal stability
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期刊
IF:
8.5
论文数:
5.1W
被引数:
21.7W
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