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Transcriptional and physiological response of Nitrosomonas europaea to inhibition by chlorinated aromatics and heavy metals

Creator:

Sandborgh, Sean C.

Abstract:

This research investigates the physiological and transcriptional responses of Nitrosomonas europaea when exposed to chlorinated aromatic compounds and heavy metals under varying environmental conditions. It was found that transcriptional responses of identified sentinel genes correlate well with nitrification inhibition. Sorption of metals to biomass was also investigated and found not...

Resource Type:

Dissertation

Full Text:

et al. 2008; Wei et al. 2006). Physiology of N. europaea Ammonia oxidation in N. europaea
Uranium and technetium bio-immobilization in intermediate-scale physical models of an in situ bio-barrier

Creator:

Michalsen, Mandy M.

Abstract:

Metal and hydrogen ion acidity and extreme nitrate concentrations typical of Department of Energy (DOE) legacy waste sites pose formidable challenges to successful implementation of in situ bio-immobilization. Intermediate-scale (~ 2.5 m), flow through models of an in situ bio-barrier were constructed to investigate U and Tc removal from groundwater...

Resource Type:

Dissertation

Full Text:

plant in 1946, weapons processing continued at this site and by 1962, Y-12 was the sole producer of