https://www.selleckchem.com/products/OSI-906.html We report a study of cooperativity in the transition from a nonaqueous deep eutectic solvent (DES) to an aqueous solution. In some systems, a nonequilibrium region prevails at low water contents, while cooperativity is always observed at high water contents. Catechol-based mixtures exhibit a Hill constant (nH) of ∼ 3 and an overall ΔG° of ca. -3-5 kJ/mol for the transition from DES to aqueous solution. In contrast, o-phenylenediamine-based mixtures exhibit a shift from nH = 0 at low water contents to nH ∼ 12 at high water contents with an overall ΔG° of ca. -13-15 kJ/mol. To the best of our knowledge, this is the first evidence for a shift from nonequilibrium to cooperative binding in a transition from nonaqueous to aqueous solutions.Tuberculosis (TB) is a slow growing, potentially debilitating disease that has plagued humanity for centuries and has claimed numerous lives across the globe. Concerted efforts by researchers have culminated in the development of various strategies to combat this malady. This review aims to raise awareness of the rapidly increasing incidences of multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis, highlighting the significant modifications that were introduced in the TB treatment regimen over the past decade. A description of the role of pathogen-host immune mechanisms together with strategies for prevention of the disease is discussed. The struggle to develop novel drug therapies has continued in an effort to reduce the treatment duration, improve patient compliance and outcomes, and circumvent TB resistance mechanisms. Herein, we give an overview of the extensive medicinal chemistry efforts made during the past decade toward the discovery of new chemotypes, which are potentially active against TB-resistant strains.Organocatalyzed ATRP (O-ATRP) is a growing field exploiting organic chromophores as photoredox catalysts (PCs) that engage in dissociative electron-tr