Sugar-Based Organogelators for Various Applications
2019
Prathap, Annamalai | Sureshan, Kana M.
In this Feature Article, we discuss the design strategy, syntheses, and the self-assembly of various sugar-based gelators to form organogels. We illustrate the use of organogels formed by these sugar-based gelators for various applications such as (a) development of scratch-free, shatter-free, soft-optical devices using oil gels formed by mannitol-based gelators, (b) marine oil-spill recovery using sugar-based phase selective organogelators, (c) preparation of semiconducting cotton cloths using a diyne functionalized sugar gelator, (d) development of sugar arrays on glass slides using a polymerizable diyne functionalized sugar gelator for efficient lectin binding, (e) development of sintering resistant hybrid CaO–silica material for the absorption of CO₂, (f) preparation of porous polystyrene-crown ether matrix for the selective alkali metal ions sequestration, and (g) preparation of porous polystyrene, structured silica, and fluorescent gels using a library of sugar-based gelators, and also the mechanism of gelation of some of these gelators have been discussed. We have also given our perspective toward exploring sugar-based gelators for advanced applications.
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