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Methodsx|July 8, 2015
Determination of phosphate in soil extracts in the field: A green chemistry enzymatic methodEllen R Campbell, Kayla Warsko, Anna-Marie Davidson, et al.
Environmental Science & Technology|March 7, 2002
Corn leaf nitrate reductase--a nontoxic alternative to cadmium for photometric nitrate determinations in water samples by air-segmented continuous-flow analysisCharles J Patton, Anne E Fischer, Wilbur H Campbell, et al.
Protein Expression and Purification|August 6, 2004
Purification and biochemical characterization of simplified eukaryotic nitrate reductase expressed in Pichia pastorisGuillaume G Barbier, Rama C Joshi, Ellen R Campbell, et al.
Methodsx|February 6, 2020
Non-toxic total nitrogen determination using a low alkaline persulfate digestionJacob L Studt, Ellen R Campbell, Dianna Westrick, et al.
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