Nanofiber formation of self-crosslinking dialdehyde carboxymethyl cellulose/collagen composites.

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Date: July 2021
From: Polymer Engineering and Science(Vol. 61, Issue 7)
Publisher: Society of Plastics Engineers, Inc.
Document Type: Report
Length: 5,213 words
Lexile Measure: 1800L

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Abstract :

Self-crosslinking dialdehyde carboxymethyl cellulose (DCMC)/collagen (COL) composites were prepared by blending DCMC and COL at different ratios, and the effect of DCMC amounts on composite nanofiber formation and stability were investigated. The more was the DCMC amount, the higher became the cross-linking degree, thus demonstrating that self-crosslinking system was successfully constructed. At low amount of DCMC, self-assembled DCMC/COL composite exhibited typical nanofiber structure similar to COL nanofibers, and the mean diameter of nanofibers increased from 68 [+ or -] 12 to 84 [+ or -] 15 nm; additionally, the final turbidity of DCMC/COL composite was higher than that of COL, reflecting more nanofibers formed. We conjectured that nanofiber formation was promoted via adding a small amount of DCMC. However, the inhibition of nanofiber formation was detected by reductions in turbidity at 0.3:1 KEYWORDS composites, crosslinking, nanofibers, proteins, stabilization

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Gale Document Number: GALE|A670410077