In order to understand the adsorption preferences of extracellular polymeric substances (EPS) components derived from fungus Saccharomyces cerevisiae on sparingly soluble CeO2 nanoparticles (CeNPs), the adsorption experiments of the EPS including organic matter with low molecular weight have been performed at pH 6.0 at room temperature (25 ± 1 ◦C). The subsequent effects of the coating on the d...

Considerable attention has been given in the past to the action of parathyroid hormone in promoting calcium mobilization and phosphate diuresis (1). In an effort to gain some insight into the mechanism of action of parathyroid hormone at the molecular level, studies on its biochemical action at the subcellular level have been pursued in this laboratory. It has been shown that parathyroid hormon...

The rapid growth of aquaculture is accompanied by increased discharge of nutrient-rich wastewaters into rivers and coastal waters leading to eutrophication and deterioration of water quality. Seaweeds are suitable candidates to reduce dissolved inorganic nutrient concentration discharged through aquaculture effluent, and can improve water quality and allow for sustainable aquaculture. In this s...

Pyruvate, phosphate dikinase (EC 2-7-9-1) catalyzes formation of phosphoenolpyruvate, AMP, and inorganic pyrophosphate from pyruvate, ATP, and orthophosphate. A pyrophosphoryl and phosphoryl form of the enzyme is involved in this transfer. The [32P]phosphoryl form of pyruvate, phosphate dikinase was prepared with enzyme isolated from Bacteroides symbiosus. The [32P]phosphoryl enzyme was found t...

The present study aimed to optimize the struvite chemical precipitation process in nitrogen-rich anaerobic co-digestion systems. Struvite experiments were carried out using a mixture of cattle slurry liquid fraction and sewage sludge, with without ultrasound pretreatment. Marine salt or MgCl2 used as magnesium source NH4+:Mg2+ stoichiometric proportions 1:1.5 1:3. Under tested conditions, ammon...

Formation of the enzyme alkaline phosphatase in E. coli is under the genetic control of three genes. One of these, the P gene, specifies the structure of the enzyme molecule.1-' The other two genes, Ri and R2, regulate the rate of formation of the enzyme. In the wild-type strain (P+ Ri + R2+), the rate can vary over a thousandfold range, depending on the concentration of orthophosphate in the g...