نتایج جستجو برای: p in alkaline
تعداد نتایج: 17176800 فیلتر نتایج به سال:
statement of problem: calcium hydroxide which is commonly used as an intracanal medicament, changes the ph of dentin and periradicular tissues to an alkaline ph. in some clinical situations, endodontic reparative cements like calcium enriched mixture cement are used after calcium hydroxide therapy. however, the alkaline ph may affect the physical properties of this cement. objectives: this stud...
L-Phenylalanine inhibition of human alkaline phosphatases with p-nitrophenyl phosphate as substrate.
With p-nitrophenyl phosphate as the substrate, there reportedly is no organ-specific inhibition of alkaline phosphatase (EC 3.1.3.1) activity by L-phenylalanine. However, we found that at pH 10.0, with p-nitrophenyl phosphate as the substrate, L-phenylalanine obviously inhibits the alkaline phosphatase isoenzyme from human placenta, whereas there is little if any inhibition of the isoenzyme fro...
The advantages and drawbacks of existing wet chemical phosphorus (P) recovery technologies, their applicability to different types of sewage sludge ash (SSA) and the role of the decay products of detergent zeolites as a source of reactive Al in SSA are analyzed. Since neither a purely acidic nor a purely alkaline treatment are able to provide satisfactory technical solutions a wet chemical phos...
Objectives: The purpose of this study was to consider the effect of eight weeks aerobic training on PTH, albumin, calcium, alkaline phosphatesand estrogen levels in postmenopausal women. Methods & Materials: 22 postmenopause women, 55-70 years, of Jahandidegan center in Tehran were selected and randomly divided into two groups: [experimental (12) and control (10)]. They had aerobic training ...
Escherichia coli alkaline phosphatase exhibits maximal activity when Zn(2+) fills the M1 and M2 metal sites and Mg(2+) fills the M3 metal site. When other metals replace the zinc and magnesium, the catalytic efficiency is reduced by more than 5000-fold. Alkaline phosphatases from organisms such as Thermotoga maritima and Bacillus subtilis require cobalt for maximal activity and function poorly ...
this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...
the study reflected in this thesis aims at finding out relationships between critical thinking (ct), and the reading sections of tofel and ielts tests. the study tries to find any relationships between the ct ability of students and their performance on reading tests of tofel and academic ielts. however, no research has ever been conducted to investigate the relationship between ct and the read...
Acid and alkaline phosphatases were measured in the follicular fluid of 766 individual follicles from 96 cows. Follicles were obtained by bilateral ovariectomy or at slaughter from animals at various stages of the estrous cycle and pregnancy. Mean follicle size varied with the physiological state of the cow (P less than .0001). Acid phosphatase activity (U/microliters) varied inversely with fol...
Background/Objective: Hyperphosphatemia is the consequence of end stage renal failure. Inadequate control of serum phosphorus results in elevated Ca×P product with subsequent soft tissue deposition in the form of conjunctival and corneal calcification. In this study, we evaluated the relationship of conjunctival and corneal calcification with secondary hyperparathyroidism in hemodialysis patie...
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