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Excess salts in soil severely inhibit plant growth and yield. Various nutrients can relieve the inhibitory effect of salt on plants. Elaeagnus angustifolia is a tree species that is utilized in landscaping and ecological restoration in China and shows tolerance to saline soils. In this experiment, we first determined the optimal concentration of single-nutrient inputs for promoting growth of E. angustifolia...
This study developed the hybrid partial-nitrification and anammox (HPNA) reactor to increase efficiency in ammonia nitrogen (NH₄⁺-N) removal. The HPNA reactor contained a fixed bed filled with biofilm carrier and a fluidized bed with mechanical stirrer to maximize withholding the sludge. The reactor achieved a total nitrogen (TN) removal efficiency of 70% and NH₄⁺-N removal efficiency of 84%. The...
Phosphorus (P) is an essential mineral nutrient required for the plant growth and development. Insufficient P supply triggers extensive physiological and biochemical changes in plants. In this study, we used Affymetrix GeneChip rice genome arrays to analyze the dynamics of rice transcriptome under P starvation. Phosphorus starvation induced or suppressed transcription of 2,317 genes, representing...
Curcumin regulates prostaglandin (PG) synthesis in a variety of cells. PGE2 and PGI2 are generated from arachidonic acid (AA) by cyclooxygenases 1 and 2 (COX-1 and COX-2) and the synthase (PGES and PGI2S) pathways. This study evaluates the in vitro effect of curcumin on the expression of COX-1, COX-2, PGI2S and microsomal PGES-1 (mPGES-1), and the production of PGE2 and PGI2 in human coronary artery...
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