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Resilience is the ability of infrastructure systems possessing a sufficient acclimatizing property to absorb hazards and return to normalcy post-damage in the least possible amount of time. Quantification of infrastructure resilience requires data collection, which must be accomplished cautiously using the available resources and securing key collaborations with local agencies to fasten and ease the mammoth process. Herein, the collected data were fed into the developed evidence-based Dempster-Shafer (D-S) model to quantify resilience over the desired frame of targeted output possibilities. The data collection procedure was performed with proper predetermined objectives and tools. The subject matter of this research, viz. flood resilience is a time-dependent phenomenon, with a typically higher recovery, as flooding is a long seasonal occurrence. To this end, data has been collected during seven different periods spanning 7 months of the rainy season, the resilience indices were calculated, and profiling was conducted to understand the resilience behavior. In this work, Barak Valley test bed in the North-East India is considered. The resilience indices are utilized as a performance indicator of housing infrastructure resilience, which help to support the decisions of the critical infrastructure owners/operators in risk and resilience management. [ABSTRACT FROM AUTHOR]

Nanobiotechnology‐mediated synthesis of ZnO nanoparticles, micro/nanocurcumin, and curcumin–ZnO nanocomposites and their characterization followed by comparative study of their antibacterial, antioxidant, and iron‐chelating efficiency at various dosages are discussed. Micro/nanocurcumin and ZnO nanoparticles were synthesized using curcumin and zinc nitrate as precursor and then conjugated by sonication to synthesize curcumin–ZnO nanocomposites. The synthesized nanoparticles were then characterized by using ultraviolet‐visible spectroscopy, X‐ray diffraction, Scanning electron microscopy, Fourier‐transform infrared spectroscopy, and dynamic light scattering analysis. After that, the antibacterial activity of the synthesized nanoparticles was evaluated by the optical density (OD600) method against Escherichia coli and Staphylococcus aureus cells. The DPPH (2,2‐diphenyl‐1‐picrylhydrazyl), hydroxyl radical scavenging activity, and ferrous ion–chelating efficiency of synthesized nanoparticles were evaluated by spectrophotometry analysis. Nanocurcumin (mean zeta potential = −25 mV; average hydrodynamic diameter = 410 nm) based coating of ZnO nanoparticles (mean zeta potential = −15.9 mV; average hydrodynamic diameter = 274 nm) to synthesize curcumin–ZnO nanocomposites (mean zeta potential = −18.8 mV; average hydrodynamic diameter = 224 nm) exhibited enhanced zeta potential, which resulted in reduced agglomeration, smaller hydrodynamic size in water, improved aqueous solubility, and dispersion. All the aforesaid factors including the synergistic antibacterial effect of ZnO nanoparticle and micro/nanocurcumin contributed to increased antibacterial efficiency of curcumin–ZnO nanocomposites. Micro/nanocurcumin due to its better water solubility and small hydrodynamic diameter exhibited enhanced antioxidant and ferrous ion–chelating efficiency than curcumin. [ABSTRACT FROM AUTHOR]