Abstract
Immobilization of colloidal crystals by gelation of polymer-grafted silica suspension in acetonitrile with alkyl amides derived from amino acids was investigated. Addition of N-benzyloxycarbonyl-l-isoleucylaminooctadecane (Z-Ile-C18) and 1,12-bis(N-benzyloxycarbonyl-l-valylamino)dodecane [Bis(Z-Val)-C12] to poly(maleic anhydride-co-styrene)-grafted silica suspension in acetonitrile resulted in formation of physical gels preserved colloidal crystal structure. From the reflection spectra, intersphere distance and size of crystallite in the gel formed with Bis(Z-Val)-C12 were confirmed to be mostly same as those of colloidal crystals in suspension.
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Yoshinaga, K., Satoh, S., Mouri, E. et al. Immobilization of colloidal crystals, formed by polymer-grafted silica in organic solvent, in physical gels. Colloid Polym Sci 284, 694–698 (2006). https://doi.org/10.1007/s00396-005-1455-6
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DOI: https://doi.org/10.1007/s00396-005-1455-6