Tuning cell surface charge in E. coli with conjugated oligoelectrolytes.
- Author(s): Catania, Chelsea
- Thomas, Alexander W
- Bazan, Guillermo C
- et al.
Published Web Locationhttps://doi.org/10.1039/c5sc03046c
Cationic conjugated oligoelectrolytes (COEs) varying in length and structural features are compared with respect to their association with E. coli and their effect on cell surface charge as determined by zeta potential measurements. Regardless of structural features, at high staining concentrations COEs with longer molecular dimensions associate less, but neutralize the negative surface charge of E. coli to a greater degree than shorter COEs.