Biomimetic self-assembly of tetrapeptides into fibrillar networks and organogels
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Títol
Biomimetic self-assembly of tetrapeptides into fibrillar networks and organogelsData de publicació
2008Editor
WILEY-VCHISSN
1434-193XCita bibliogràfica
IQBAL, Sajid; MIRAVET, Juan; ESCUDER, Beatriu. Biomimetic self-assembly of tetrapeptides into fibrillar networks and organogels. European journal of organic chemistry, 2008, n. 27, p. 4580–4590Tipus de document
info:eu-repo/semantics/articleParaules clau / Matèries
Resum
The self-assembly features of a family of tetrapeptides inspired in silk structure are presented. An exhaustive study of the influence of the terminal alkyl chain length in this process is undertaken.
Scanning electron ... [+]
The self-assembly features of a family of tetrapeptides inspired in silk structure are presented. An exhaustive study of the influence of the terminal alkyl chain length in this process is undertaken.
Scanning electron microscopy (SEM), wide-angle X-ray diffraction (WAXD), FTIR spectroscopy and circular dichroism are used for the structural analysis. These compounds, as in the natural model, self-assemble into antiparallel ?-sheet structures that further organize to form fibrillar aggregates. Furthermore, some of them are capable of forming a crowded network that entraps the solvent leading to physical gels with different microscopic morphologies. A model for the assembly process is proposed [-]
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European journal of organic chemistry, 2008, n. 27Drets d'accés
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