Tlie corrclatioii lx\*t\vccii niecliaiiical and chemical processes ill the coiitractilc system c~llageii fibers-aqueous l<CSS solutions was investigated. Meltiiig and coiltraction of the fibers here induced by applying a force sufficiently high as to prevent melting in a KCNS solution arid then decr
Mechanochemical melting of collagen fibers. II. Diffusion-controlled contractions
โ Scribed by A. Oplatka; J. Yonath
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1968
- Tongue
- English
- Weight
- 537 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0006-3525
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โฆ Synopsis
Collagoii fibers were contracted "chemically," ix., by trailsferring them from water Both changes in force and The The diffusion of The role of water in the melting process is dis-into KCNS solutions either isometrically or isotonically. fiber length and in salt and water contents were measured as functions of time. mechanical changes were found to follow the diffusional processes. water exhibited a plasmolytic effect. cussed.
๐ SIMILAR VOLUMES
Mechanical melting experiments performed on collagen fibers were used to study the effect of crosslinking on contraction kinetics. With the aid of a two-state model it is shown that the degree of cooperativity of this dematuration process is increasing with the degree of crosslinking.