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The processes that affect removal and retention of nitrogen during wastewater treatment in constructed wetlands (CWs) are… Expand SummaryA rapid assay for soil urease in the absence of bacteriostatic agents has been developed. The method comprises incubation… Expand The above-ground parts of plants are normally colonized by a variety of bacteria, yeasts, and fungi. While a few microbial… Expand Anion recognition chemistry has grown from its beginnings in the late 1960s with positively charged ammonium cryptand receptors… Expand Ammonium is a nitrogen source supporting growth of yeast cells at an optimal rate. We recently reported the first… Expand The three-dimensional structure of acetylcholinesterase from Torpedo californica electric organ has been determined by x-ray… Expand Phytoplankton can become limited by the availability of nutrients when light and temperature are adequate and loss rates are not… Expand Abstract A stopped flow kinetic analysis has been performed with a homogeneous protein fraction of plant glutamate dehydrogenase… Expand Abstract The nutrient requirements of suspension cultures from soybean root have been investigated, and a simple medium… Expand MANY methods of obtaining an index of the availability of soil nitrogen to plants have been proposed, but it is generally… Expand