Abstract
The article depicts the synthesis and significance of two metallogels of squaric acid implementing Cd(II) and Zn(II)-metal salts. N,N΄-dimethyl formamide has been utilised as an immobilised solvent for successive construction of metal ions directed both gel scaffolds. These metallogels exhibit an intriguing visco-elasticity which gets experimentally validated by rheological findings. Microstructural versatility with varied metal ions and EDS elemental analysis confirm the presence of all the gel-forming constituents present in the observed hierarchical morphological visualizations for both soft-scaffolds. FT-IR data indicate the considerable shifting of peaks compared to precursor gel-forming ingredients and also establish that the metallogel-development tactic might be progressed by non-covalent type supramolecular interactions. Comparative analysis of these metallogels as anti-bacterial agents against multi-drug resistive deadly pathogens including Gram-negative bacteria Escherichia coli, Salmonella typhimurium, Vibrio parahaemolyticus and Gram-positive bacteria Bacillus cereus, and Staphylococcus aureus reveals them as the potential and promising bio-functional stuffs. Thus, the bactericidal effects of Cd(II) and Zn(II) based squaric acid mediated metallogels against ESKAPE pathogens are accounted in this study.
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