Effect of the aqueous-organic solvent mixtures upon super-aggregation of chitosan
Abstract The self-assembly pattern of functionalized chitosan (CS), in various solvent mixtures, was discussed here. The previously synthesized amphiphilic thiobarbiturate-derived chitosan (CS-TBA) molecule (where the chitosan backbone was relatively more hydrophobic and the thiobarbiturate moiety was relatively more hydrophilic) was subjected to different solvent mixtures for this purpose. Then the morphological changes of the aggregates were studied and analyzed from the perspective of size and shape through various conventional techniques. One of the components of the solvent mixture was water, whereas another component was a different polar protic solvent i.e.; methanol and polar aprotic solvents such as tetrahydrofuran, acetonitrile and dioxane. The superstructures were characterized using field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), cryo transmission electron microscope (cryo-TEM) and differential light scattering (DLS) methodologies. Finally, the usability of the solvent-dependent morphologies was deliberated in this article. Through the detailed spectroscopic analysis, we observed various unique and magnificent morphologies in terms of size and shapes in different solvent mixtures (protic as well as aprotic and different in terms of polarity index). The astonishing superstructures also have fascinating dye encapsulation abilities (above 80% encapsulation for hydrophobic as well as a hydrophilic dye in case of methanol/water solvent mixture) in different solvent mixtures which could be applied in the field of self-assembly and dye removal industries..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Journal of polymer research - 30(2022), 1 vom: 17. Dez. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mandal, Piyali [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Chitosan |
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| Anmerkungen: |
© The Polymer Society, Taipei 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s10965-022-03404-9 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2080170872 |
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| 520 | |a Abstract The self-assembly pattern of functionalized chitosan (CS), in various solvent mixtures, was discussed here. The previously synthesized amphiphilic thiobarbiturate-derived chitosan (CS-TBA) molecule (where the chitosan backbone was relatively more hydrophobic and the thiobarbiturate moiety was relatively more hydrophilic) was subjected to different solvent mixtures for this purpose. Then the morphological changes of the aggregates were studied and analyzed from the perspective of size and shape through various conventional techniques. One of the components of the solvent mixture was water, whereas another component was a different polar protic solvent i.e.; methanol and polar aprotic solvents such as tetrahydrofuran, acetonitrile and dioxane. The superstructures were characterized using field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), cryo transmission electron microscope (cryo-TEM) and differential light scattering (DLS) methodologies. Finally, the usability of the solvent-dependent morphologies was deliberated in this article. Through the detailed spectroscopic analysis, we observed various unique and magnificent morphologies in terms of size and shapes in different solvent mixtures (protic as well as aprotic and different in terms of polarity index). The astonishing superstructures also have fascinating dye encapsulation abilities (above 80% encapsulation for hydrophobic as well as a hydrophilic dye in case of methanol/water solvent mixture) in different solvent mixtures which could be applied in the field of self-assembly and dye removal industries. | ||
| 650 | 4 | |a Natural polymer | |
| 650 | 4 | |a Chitosan | |
| 650 | 4 | |a Self-assembly | |
| 650 | 4 | |a Superstructures | |
| 650 | 4 | |a Solvent-variation morphologies | |
| 700 | 1 | |a Mukherjee, Madhumita |4 aut | |
| 700 | 1 | |a Shunmugam, Raja |4 aut | |
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