Tenuifolin was used as a reliable chemical marker for the quality control of Radix Polygalae. The determination of tenuifolin is challenging because the analyte molecule lacks a suitable chromophore.
Covalent organic framework (COF) membranes show great potential for diverse applications including molecular separation 1,2, catalysis 3,4, optoelectronics 5,6,7, and energy storage 8,9,10. This ...