A rheometrical investigation of incipient clots formed in fibrin-thrombin gels is reported in which the Gel Point (GP) is characterised by frequency independence of the loss tangent in small amplitude oscillatory shear measurements over a wide range of thrombin concentration. Values of the fractal d
Protein aggregation and gel formation studied with scattering methods and computer simulations
โ Scribed by Taco Nicolai; Dominique Durand
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 170 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1359-0294
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โฆ Synopsis
We review recent scattering experiments on the reversible and irreversible aggregation and gelation of globular proteins. Globular proteins are compact with a well-defined structure in the native state, but are not perfect spheres and the details of the interaction between proteins may be intricate involving for instance specific binding sites. Nevertheless, it turns out that often the structure of globular protein aggregates and gels can be understood by treating them as spherical colloids with relatively simple interaction potentials. Computer simulations of interacting hard spheres give detailed structural information that can be used to understand some aspects of protein aggregation and gel formation.
๐ SIMILAR VOLUMES
## Abstract | I. | Introduction | 402 | | II. | Experiments and Simulations: Background | 403 | | III. | Unfolding Studies | 406 | | | A.โโCentrifugal Unfolding of Neutral Proteins | 407 | | | B.โโUnfolding by Coulombic Repulsion | 409 | | | C.โโUnfolding by Screened van der Waals Attraction | 4
## Abstract The previously described microgel synthesis in which living poly(4โ__tert__โbutylstyrene) was reacted with 1,4โdivinylbenzene was studied. Samples were taken after the addition of the crosslinker and characterized by gelโpermeation chromatography (GPC) with an onโline multi angle laser