Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...
Stir bar sorptive extraction (SBSE) is a sorptive-based sample preparation technique that efficiently extracts and enriches organic compounds. Since its introduction in 1999, SBSE has gained ...