Does the outer cell membrane of Gram negative bacteria impede the rate of diffusion of nitrite (NO2-) between the outer environment and the periplasm?

The external NO2- concentration is 1-2 micromolar. I don't know what the periplasmic concentration would be, possibly higher. The timescale I am interested in is 1-24 hours. The bacteria I am...

14 October 2015 835 3 View