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Behavior and properties of neat and filled gelatins.

Abstract：

:The purpose of this study was to determine the mechanical properties and the atomistic structures of various gelatin hydrogels as a preliminary to using these in bioengineering applications. The hydrogels were investigated as neat materials and as particulate-reinforced composites both in the as-formed state and following cross-linking with formaldehyde and/or glutaraldehyde. The compressive modulus obtained using alumina particulates as the reinforcement was found to be enhanced significantly more than expected on the basis of considering a gel matrix to be similar to a thermoplastic one. From the electron paramagnetic resonance of a Cu(2+) probe ion implanted in these materials it was determined that the variation in the compressive moduli with Bloom indices results from a gradation in the relative weightings of two discrete coordination configurations. The cross-linking led to different coordinations following the formaldehyde vs. the glutaraldehyde treatments.

journal_name

Biomaterials

journal_title

Biomaterials

authors

Usta M,Piech DL,MacCrone RK,Hillig WB

doi

10.1016/s0142-9612(02)00274-0

keywords:

subject

Has Abstract

pub_date

2003-01-01 00:00:00

pages

165-72

issue

1

eissn

0142-9612

issn

1878-5905

pii

S0142961202002740

journal_volume

24

pub_type

杂志文章

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