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Design and development of soft nanomaterials from biobased amphiphiles

Design and development of soft nanomaterials from biobased amphiphiles. George John* and Praveen Kumar Vemula The Royal Society of Chemistry 2006 Soft Matter, 2006, 2, 909–914. 奈微所一年級 Q26961040 潘俊佑. Introduction.

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Design and development of soft nanomaterials from biobased amphiphiles

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  1. Design and development of soft nanomaterials from biobased amphiphiles George John* and Praveen Kumar Vemula The Royal Society of Chemistry 2006 Soft Matter, 2006, 2, 909–914 奈微所一年級Q26961040潘俊佑

  2. Introduction • Design and development of different forms of soft matter from renewable (biomass) feedstocks is gaining attention in current research. • Cashew nut shell liquid, an industrial by-product, was used as a raw material to synthesize aryl glycolipids which upon self-assembly generated an array of soft materials( lipid nanotube,twisted nanofibers) • amygdalin, a by-product of the apricot industry, was used to develop novel amphiphiles, which showed unprecedented gelation properties in a wide range of solvents.

  3. Soft nanomaterials from cashew nut shell liquid (CNSL):(cardanol,cardol) helical/twisted fibers, lipid nanotubes, gels and liquid crystals

  4. Soft materials from amygdalin: biocatalysis as a tool to make and break hydrogels

  5. SEM images of a) morphology of a hydrogel formed from AMG3 and b) morphology of an organogel formed from AMG1.

  6. Enzyme triggered drug delivery c) drug (curcumin) encapsulated hydrogel, d) gel with enzyme solution immediately after addition and e) after 12 h. Crystal structure of AMG1 in water f), the extended hydrogen bonding network can be viewed.

  7. Conclusion and outlook Upon utilizing basic self-assembly properties of glycolipids, a wide range of soft materials such as lipid nanotubes, helical/ twisted nanofibers, low- molecular-weight hydro/organogels and liquid crystals were generated; such materials would find applications in various fields such as biomaterials, templated synthesis and biosensors.

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