... inhibition rate of PHE uptake by NAP, i.e., (uptake of PHE by wheat roots treated with PHE - uptake of PHE by wheat roots treated with PHE and NAP) × 100/uptake of PHE by wheat roots treated with ... 29.9%, and that of NAP uptake by PHE, i.e., (uptake of NAP by wheat roots treated with NAP uptake of NAP by wheat roots treated with PHE and NAP) × 100/uptake of NAP by wheat roots treated with ... Cite this article as: Zhan et al., Accumulation of phenanthrene by roots of intact wheat (Triticum acstivnm L.) seedlings: passive or active uptake? BMC Plant Biology 2010, 10:52 ...