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- W2762812412 abstract "Recently, naturally occurring amino acid based polymers have generated considerable interestbecause introducing amino group in a polymer allows it to have certain flexibility which helps toarchitect different morphology. In the present work I have studied controlled radicalpolymerization (CRP) technique such as Reversible Addition Fragmentation Chain TransferPolymerization (RAFT) for the synthesis of amino acid based cross-linked polymer gels, inwhich primary amine functionality was protected with the Boc-group. I have synthesized three sets of cross-linked polymer hydrogels from Boc-Ala-HEMA using DEGDMA as cross-linker with the variation of [monomer] / [cross-linker] ratiosvia RAFT polymerization method, followed by Boc group deprotection. Boc deprotection hasbeen achieved using different acids (TFA, HCl, HNO₃ and HOTf) with the aim of havingdifferent counter aninons at the pendant amino acids of polyelectrolyte hydrogels. Hydrogelsshowed highest swelling with TFA⁻ and lowest swelling with ⁻OTf counter anion. SRe also variedwith the variation of cross-linking ratios. The experimental observation for the water uptake ratioof synthesized hydrogels is clearly substantiated from their highly porous morphology, whichchanges with the monomer ratio as well as the acid used for deprotection. These smart hydrogelswill have wide potential applications in the fields of tissue engineering, Surface coating,agriculture, and drug delivery." @default.
- W2762812412 created "2017-10-20" @default.
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- W2762812412 date "2015-04-01" @default.
- W2762812412 modified "2023-09-27" @default.
- W2762812412 title "Swelling Behavior of Amino Acid Based Cross Linked Hydrogels with Different Counteranions" @default.
- W2762812412 hasPublicationYear "2015" @default.
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