Fruits contain a large variety of cis-diols but their rapid and direct analysis without complex sample pretreatment was not achieved. Here, the authors report a Mycobacterium smegmatis porin A nanopore modified with a phenylboronic acid adapter for recognition of 1,2-diphenols, alditols, α-hydroxy acids and saccharides in fruits.
- Pingping Fan
- Zhenyuan Cao
- Shuo Huang