Dr. Akanksha Saxena Pandit currently serves as Assistant Professor(Sr. Gr.) at department of Chemistry, Amrita School of Engineering, Banglore campus.


Publication Type: Journal Article
Year of Publication Publication Type Title
2016 Journal Article S. G. Reddy, Pandit, A. S., and Thakur, A., “Effects of crosslink agents on sodium alginate and lignosulphonic acid blends”, Polymer (Korea), vol. 40, pp. 63-69, 2016.[Abstract]

Blends of sodium alginate (SA) and lignosulphonic acid (LS) has been prepared in the ratio of 80/20. The prepared blends were crosslinked using chlorides of calcium, barium, strontium and aluminum. The crosslinking of blends was done for different time intervals and then these blends were subjected for swelling studies in aqueous medium of pH 7.4. The observations indicate that the crosslinking is diffusion controlled and is affected by the size of metal ion and the type of alginate used. The improved swelling time for crosslinked blends in aqueous medium supports the fact that the stability under physiological conditions of the blends is improved due to crosslinking with the metal ions. Calcium chloride and barium chloride forms strong crosslink with the blend. Calcium ion crosslinked blends can be considered suitable for biomedical drug applications. The investigations on crosslinked blends using FTIR, SEM, XRD and EDAX are in close agreement with swelling results. © 2016 The Polymer Society of Korea. All rights reserved.

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2013 Journal Article R. S. Giridhar and Pandit, A. S., “Effect of curing agent on sodium alginate blends using barium chloride as crosslinking agent and study of swelling, thermal, and morphological properties”, International Journal of Polymeric Materials and Polymeric Biomaterials, vol. 62, pp. 743-748, 2013.[Abstract]

Sodium alginate and lignosulfonic acid blends were prepared in various ratios (100/0, 80/20, and 60/40), in order to test the suitability of these blends for controlled drug delivery in variable pH medium using barium chloride as crosslinking agent. The blends were characterized by TGA and DSC, in order to study thermal degradation properties and glass transition temperature. Thermal analyses of blends were found to be degrading in multiple steps compared to their pure polymers. Crystallization characteristics are investigated using the DSC curves. Further, miscibility of blends was investigated for morphological studies by SEM. © 2013 Copyright Taylor and Francis Group, LLC

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