Various commonly used organic solvents were dried with several different drying agents. A glovebox-bound coulometric Karl Fischer apparatus with a two-compartment measuring cell was used to determine the efficiency of the drying process. Recommendations are made relating to optimum drying agents/conditions that can be used to rapidly and reliably generate solvents with low residual water conten...

Since perovskite materials are currently mostly used in the active layer of solar cells, how to maximize conversion efficiency is most urgent problem at present. In this regard, extremely low voltage loss and tunable energy gap methyl lead iodide (MAPbI3) perovskites make them very suitable for all cell applications, also compatible with silicon crystalline systems. Therefore, future developmen...

Ibuprofen is a very popular analgesic which mostly available in the market as tablet dosage form. The ibuprofen molecule possesses chiral center propionic acid group. So, there are two enantiomers (R and S), whose chemical properties similar, but have optical rotations of opposite sign. (-) form (l- or laevo-) R enantiomer whereas (+) (d dextro-) referred to S – ibuprofen. isomer biologically i...