This work integrates a unique porous carbon with a binary heterostructured NiFeO/CuWO composite to enhance electrocatalytic activity towards the oxygen evolution reaction. The NiFeO/CuWO binary heterostructure was prepared through the conventional co-precipitation method. The porous carbon with turbostratic order was obtained by the selective etching of SiO nanodomains from preceramic polymer-derived SiOC.
View Article and Find Full Text PDFIn this work, Ag nanoparticles decorated with NiFeO/CuWO heterostructure were synthesized using the step-wise precipitation method. The influence of varying Ag loading on the NiFeO/CuWO heterostructure and its electrochemical OER performance was extensively studied in 1 M KOH electrolyte. The obtained LSV profile was analyzed to determine the overpotential, Tafel slope, and onset potential.
View Article and Find Full Text PDFCandida species is the causative agent in approximately 80% of invasive mycoses and drug-resistant Candida albicans is among the four strains of 'critical priority group' framed by WHO. Lichens are endowed with some rare phytochemicals and a plethora of therapeutics viz. antifungal capacities of Roccella montagnei.
View Article and Find Full Text PDFWe report the effect of polarity and surface charge density on the nucleation and growth kinetics of desiccation cracks in deposits of colloids formed by drying. We show that the average spacing between desiccation cracks and crack opening are higher for the deposit of positively charged colloids than that of negatively charged colloids. The temporal evolution of crack growth is found to be faster for positively charged particle deposits.
View Article and Find Full Text PDFQuorum sensing (QS)-regulated bacterial biofilm formation is a crucial issue in causing resistance against existing antibiotics. There is a considerable necessity to disrupt the interrelationship between bacterial QS, virulence, and biofilm formation. Disabling QS could be a novel tactic of great clinical importance.
View Article and Find Full Text PDFThe control of the morphology of desiccation cracks is fascinating not only from the application point of view but also from the rich physics behind it. Here, we present a seemingly simple method to tailor the morphology of desiccation cracks by exploitation of the combined effect of particle shape anisotropy and the shape of the confining boundary. This allows us to make circular, square, and triangular-shaped desiccation cracks in the vicinity of the confining boundaries.
View Article and Find Full Text PDFPurpose: This paper is intended to compare and evaluate the better treatment option in the management of subcondylar fractures of the mandible.
Materials And Methods: This study included 20 patients who were diagnosed clinically and radiologically to have sustained an isolated subcondylar fracture of the mandible. They were divided into two groups randomly.
The antibacterial and anti-biofilm activities of propolis have been intensively reported. However, the application of this folk remedy as a means to prevent biomedical implant contamination has yet to be completely evaluated. In response to the significant resistant and infectious attributes of biofilms, biomaterials engineered to possess specific chemical and physical properties were immobilized with metal free Russian propolis ethanol extracts (MFRPEE), a known antibacterial agent.
View Article and Find Full Text PDF