Layer-by-Layer polyelectrolyte assemblies for encapsulation and release of active compounds
Soft assemblies obtained following the Layer-by-Layer (LbL) approach are accounted among the most interesting systems for designing biomaterials and drug delivery platforms. This is due to the extraordinary versatility and flexibility offered by the LbL method, allowing for the fabrication of supram...
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Veröffentlicht in: | Advances in colloid and interface science 2017-11, Vol.249, p.290-307 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Soft assemblies obtained following the Layer-by-Layer (LbL) approach are accounted among the most interesting systems for designing biomaterials and drug delivery platforms. This is due to the extraordinary versatility and flexibility offered by the LbL method, allowing for the fabrication of supramolecular multifunctional materials using a wide range of building blocks through different types of interactions (electrostatic, hydrogen bonds, acid-base or coordination interactions, or even covalent bonds). This provides the bases for the building of materials with different sizes, shapes, compositions and morphologies, gathering important possibilities for tuning and controlling the physico-chemical properties of the assembled materials with precision in the nanometer scale, and consequently creating important perspective for the application of these multifunctional materials as cargo systems in many areas of technological interest. This review studies different physico – chemical aspects associated with the assembly of supramolecular materials by the LbL method, paying special attention to the description of these aspects playing a central role in the application of these materials as cargo platforms for encapsulation and release of active compounds.
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•Layer-by-Layer (LbL) films present many potential applications for encapsulating active ingredients.•The versatility of the LbL methods allows tuning the properties of the encapsulation platforms.•Real applications of LbL materials are in the initial steps.•Many questions are open about LbL materials yet. |
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ISSN: | 0001-8686 1873-3727 |
DOI: | 10.1016/j.cis.2017.04.009 |