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Publication Type : Journal Article
Source : Polymers 2022, 14, 3120, DOI: https://doi.org/10.3390/polym14153120
Url : https://www.mdpi.com/2073-4360/14/15/3120
Campus : Amritapuri
School : School for Sustainable Futures
Year : 2022
Abstract : The accumulation of organic contaminants including dyes in aquatic systems is of significant environmental concern, necessitating the development of affordable and sustainable materials for the treatment/elimination of these hazardous pollutants. Here, a green synthesis strategy has been used to develop a self-assembled gum kondagogu-sodium alginate bioconjugate sponge adorned with silver nanoparticles, for the first time. The properties of the nanocomposite sponge were then analyzed using FTIR, TGA, SEM, and MicroCT. The ensued biobased sponge exhibited hierarchical microstructure, open cellular pores, good shape memory, and mechanical properties. It merges the attributes of an open cellular porous structure with metal nanoparticles and are envisaged to be deployed as a sustainable catalytic system for reducing contaminants in the aqueous environment. This nanocomposite sponge showed enhanced catalytic effectiveness (km values up to 37 min−1 g−1 and 44 min−1 g−1 for methylene blue and 4-nitrophenol, respectively), antibacterial properties, reusability, and biodegradability (65% biodegradation in 28 days).
Cite this Research Publication : Ramakrishnan, R.K.; Silvestri, D.; Sumitha, N.S.; Nguyen, N.H.A.; Havlíček, K.; Łukowiec, D.; Wacławek, S.; Černík, M.; Tiwari, D.; Padil, V.V.T*.; Varma, R.S., "Gum Hydrocolloids Reinforced Silver Nanoparticle Sponge for Catalytic Degradation of Water Pollutants," Polymers 2022, 14, 3120, DOI: https://doi.org/10.3390/polym14153120