Kinetics of Network Formation and Heterogeneous Dynamics of an Egg White Gel Revealed by Coherent X-Ray Scattering
نویسندگان
چکیده
The kinetics of heat-induced gelation and the microscopic dynamics a hen egg white gel are probed using x-ray photon correlation spectroscopy along with ultrasmall-angle scattering. structural growth reveals reaction-limited aggregation process fractal dimension ?2 an average network mesh size ca. 400 nm. at these length scales exponential characteristic relaxation times followed by intriguing steady state in combination compressed function temporal heterogeneity. degree heterogeneity increases decreasing scale. We discuss our results broader context experiments models describing attractive colloidal gels.Received 23 July 2020Revised 12 November 2020Accepted 11 January 2021DOI:https://doi.org/10.1103/PhysRevLett.126.098001© 2021 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasApplications soft matterCollective behaviorFunctional materialsGelationPhase transitionsPhysical SystemsCollective dynamicsColloidal gelPolymers & Soft MatterCondensed Matter Materials PhysicsBiological Physics
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2021
ISSN: ['1079-7114', '0031-9007', '1092-0145']
DOI: https://doi.org/10.1103/physrevlett.126.098001