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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
Published on: February 4, 2013
Crops: a green approach toward self-assembled soft materials.
Praveen Kumar Vemula1, George John
1Department of Chemistry, The City College of New York, and The Graduate School and University Center, The City University of New York, New York, New York 10031, USA.
Accounts of Chemical Research
|May 30, 2008
Summary
Researchers are developing biobased soft materials from renewable crops, offering sustainable alternatives to petroleum-based products. These novel materials show promise for advanced applications and environmentally friendly manufacturing processes.
Area of Science:
- Green Chemistry
- Materials Science
- Biotechnology
Background:
- Petroleum resources are finite and their depletion necessitates sustainable alternatives.
- Biorefinery concepts offer a new paradigm for converting biomass into valuable products.
- Crop-based materials present a promising renewable feedstock for sustainable manufacturing.
Purpose of the Study:
- To present a novel concept for generating soft materials from crop-based feedstocks.
- To explore the synthesis and self-assembly of biobased amphiphiles.
- To demonstrate the potential of these materials in drug delivery and hybrid material development.
Main Methods:
- Enzyme-catalyzed synthesis of amphiphilic molecules from carbohydrates (amygdalin, trehalose, vitamin C).
- Lipase-mediated regioselective synthesis for quantitative yields.
- Characterization using spectroscopic (UV-Vis, IR, fluorescence) and microscopic (optical, confocal, SEM, TEM) techniques, alongside X-ray analysis.
Main Results:
- Self-assembly of glycolipids from cashew nut shell liquid into nanoarchitectures (nanotubes, nanofibers, gels, liquid crystals).
- Amygdalin amphiphiles demonstrated gelation in various solvents and enabled enzyme-triggered drug delivery.
- Vitamin C amphiphiles formed molecular gels and liquid crystals, and were used to create organic-inorganic hybrid materials with metal nanoparticles.
Conclusions:
- Biobased soft materials derived from renewable feedstock offer economically viable and environmentally benign alternatives.
- These materials have significant potential for diverse industrial applications, including drug delivery and advanced materials.
- Interdisciplinary collaboration is crucial for advancing functional materials from underutilized crop resources.
