Freezing Capture of Polymorphic Aggregates of Bolaamphiphilic  L ‐Valine‐Based Molecular Hydrogelators | Zendy

Nebot Vicent J. | Zendy; DíazOltra Santiago | Zendy; Smets Johan | Zendy; Fernández Prieto Susana | Zendy; Miravet Juan F. | Zendy; Escuder Beatriu | Zendy

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Freezing Capture of Polymorphic Aggregates of Bolaamphiphilic L ‐Valine‐Based Molecular Hydrogelators

Author(s) -

Nebot Vicent J.,

DíazOltra Santiago,

Smets Johan,

Fernández Prieto Susana,

Miravet Juan F.,

Escuder Beatriu

Publication year - 2014

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201400346

Subject(s) - kinetics , chemistry , valine , self healing hydrogels , chemical engineering , polymorphism (computer science) , flexibility (engineering) , polymer chemistry , amino acid , biochemistry , physics , statistics , mathematics , quantum mechanics , genotype , engineering , gene

Nanostructured xerogels have been prepared by the freeze‐drying of hydrogels and aggregates formed by bolaamphiphilic L ‐valine derivatives after aging under different environmental conditions. A wide variety of shapes and sizes has been achieved by a simple methodology. These nanostructures have been studied by SEM and WAXD and a dramatic influence of structural flexibility on the kinetics of aggregation has been observed. Such flexibility and a modulation of the hydrophobic effect have shown a profound influence in the packing of these compounds and revealed a high degree of polymorphism.

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