Journal
GELS
Volume 5, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/gels5040043
Keywords
RAFT; organogel; hydrogel; crosslinking; swelling; uptake; release
Categories
Funding
- INSPIRE programme, Department of Science and Technology, Government of India
- SERB-India
- Council of Scientific and Industrial Research (CSIR), of the Government of India
- Indian Institute of Science Education and Research Kolkata
- University of Wolverhampton Early Researcher Award Scheme
- Royal Society [RG160449]
- Biotechnology and Biological Sciences Research Council (BBSRC) Networks in Industrial Biotechnology and Bioenergy (NIBB) FoodWasteNet (FWN) [BB/L0137971/1]
- Engineering and Physical Sciences Research Council (EPSRC) [EP/R003823/1]
- Newton Bhabha PhD Placement Programme grant under the UK-India Newton Bhaba Fund Partnership - UK Department of Business, Energy and Industrial Strategy (BEIS)
- Indian Department of Science and Technology (DST)
- Department of Biotechnology (DBT)
- Lancaster University
- EPSRC [EP/R003823/1] Funding Source: UKRI
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Hydrogels are used for a variety of technical and medical applications capitalizing on their three-dimensional (3D) cross-linked polymeric structures and ability to act as a reservoir for encapsulated species (potentially encapsulating or releasing them in response to environmental stimuli). In this study, carbohydrate-based organogels were synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization of a beta-D-glucose pentaacetate containing methacrylate monomer (Ac-glu-HEMA) in the presence of a di-vinyl cross-linker; these organogels could be converted to hydrogels by treatment with sodium methoxide (NaOMe). These materials were studied using solid state C-13 cross-polarization/magic-angle spinning (CP/MAS) NMR, Fourier transform infrared (FTIR) spectroscopy, and field emission scanning electron microscopy (FE-SEM). The swelling of the gels in both organic solvents and water were studied, as was their ability to absorb model bioactive molecules (the cationic dyes methylene blue (MB) and rhodamine B (RhB)) and absorb/release silver nitrate, demonstrating such gels have potential for environmental and biomedical applications.
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