(1) The CPH<sup>+</sup> OMVs collected for Pb (II) binding were resuspended in half the former volume of Tris-HCl buffer. The OMV concentration in the reacting system was 10 times that in the previous experiment. Due to the time limit, the experiment had only been repeated with CPH, not with Elo.
The CPH<sup>+</sup> OMVs collected for Pb (II) binding were resuspended in half the former volume of Tris-HCl buffer. The OMV concentration in the reacting system was 10 times that in the previous experiment. Due to the time limit, the experiment had only been repeated with CPH, not with Elo.