نتایج جستجو برای: acidic environment
تعداد نتایج: 549975 فیلتر نتایج به سال:
BACKGROUND There is current interest in understanding the molecular mechanisms of tumor-induced bone pain. Accumulated evidence shows that endogenous formaldehyde concentrations are elevated in the blood or urine of patients with breast, prostate or bladder cancer. These cancers are frequently associated with cancer pain especially after bone metastasis. It is well known that transient receptor...
a study of insect digestive enzymes makes sense given that the gut is the major interface between the insect and its environment. an understanding of gut and digestive enzyme function is essential when advanced methods of insect management such as application of enzyme inhibitors and transgenic plants are developed to control insect pests. the aim of the current research project was to study mi...
objective(s): activation of acid-sensing ion channel 1a (asic1a) is responsible for tissue injury caused by acidosis in nervous systems. but its physiological and pathological roles in nucleus pulposus cells (npcs) are unclear. the aim of this study is to investigate whether asic1a regulates the survival of npcs in the acidic environment of degenerated discs. materials and methods: npcs were is...
The analysis of the current trend gas processing enterprises related to chemical industries is carried out in this article. impact technical gases emitted by oil and industry on environment population has been studied detail. content hydrogen sulfide (H2S), carbon disulfide (CS2) carbonyl (COS) components analyzed. Studies have order determine amount sulfide, Gazli-TG sample (technical gas) fro...
The pckA gene, encoding phosphoenolpyruvate carboxykinase, catalyzes the reversible decarboxylation and phosphorylation of oxaloacetate to form phosphoenolpyruvate. Located on the circular chromosome of Agrobacterium, this locus is adjacent to the loci chvG and chvI, encoding a two-component regulatory system that has been shown to be important in virulence. Using a reporter gene fusion, studie...
The usages of the composite materials range from simple household to light-to-heavy industrial purposes including oilfield applications. The objective of this study is to evaluate current and potential uses of composite materials for the petroleum industry. This article gathered all the available composite materials that are normally used specially in oilfield and surface pipeline applications....
This study sheds new light on the role of acidic residues present in the active site cavity of human aromatase. Eight acidic residues (E129, D222, E245, E302, D309, E379, D380 and D476) lining the cavity are identified and studied using comparative modeling, docking, molecular dynamics as well as statistical techniques. The structural environment of these acidic residues is studied to assess th...
This is the second of two papers that elaborate on an integrated drainage network analysis system (IDNAS) for agricultural drainage management. In the ®rst paper, the system components, functions and implementation were presented. This paper focuses on the system applications to agricultural drainage management, particularly on the acid drainage problems in an estuarine acid sulfate soil ̄oodpl...
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