Contents.

The article introduces a disposable monolithic column mass spectrometry analysis kit for direct whole blood analysis, offering rapid cleaning and protection of samples, proven effective for quantifying procainamide hydrochloride in rat blood. Topics include the synthesis of functional dibenzoullazines, guaiane-type sesquiterpenoid trimers' discovery, and immobilization of triphenylamine for photocatalytic oxidation of thiols to disulfides.