نتایج جستجو برای: bi functional mechanism
تعداد نتایج: 1152388 فیلتر نتایج به سال:
Several studies have regarded proximal gastrectomy (PG) as optimal compared to total gastrectomy (TG) for upper stomach cancer. In addition to the traditional outcomes of complication and mortality, change in functional status should be considered as another relevant outcome in aging generations. However, there has been no community-based appraisal of functional outcomes between PG and TG. Usin...
The paper discusses the asymptotic behaviour of all solutions of the differential equation ẏ(t) =−a(t)y(t) +∑ni=1 bi(t)y(τi(t)) + f (t), t ∈ I = [t0,∞), with a positive continuous function a, continuous functions bi, f , and n continuously differentiable unbounded lags. We establish conditions under which any solution y of this equation can be estimated by means of a solution of an auxiliary fu...
In this paper we study functional equation n ∑ i=1 aif(bix+ cih) = 0 (x, h ∈ C) where ai, bi, ci are fixed complex numbers and f : C → C is the unknown function. We show, that if there is an i such that bi/ci ̸= bj/cj holds for any 1 ≤ j ≤ n, j ̸= i, the functional equation has a noncontant solution if and only if there are field automorphisms φ1, . . . , φk of C such that φ1 · . . . · φk is a so...
Fish hepatic glutathione transferases are connected with the elimination of intracellular pollutants and detoxification of organic micro-pollutants in their aquatic ecosystem. The two-substrate steady state kinetic mechanism of Silver catfish (Synodontis eupterus) major hepatic glutathione transferases purified to apparent homogeneity was explored. The enzyme was dimeric enzyme with a monomeric...
Scavenger receptor, class B, type I (SR-BI), controls high-density lipoprotein (HDL) metabolism by mediating cellular selective uptake of lipids from HDL without the concomitant degradation of the lipoprotein particle. We previously identified in a high-throughput chemical screen of intact cells five compounds (BLT-1-5) that inhibit SR-BI-dependent lipid transport from HDL, but do not block HDL...
We consider the problem of redistributing data on homogeneous and heterogeneous ring of processors. The problem arises in several applications, each time after that a load-balancing mechanism is invoked (but we do not discuss the load-balancing mechanism itself). We provide algorithms that aim at optimizing the data redistribution, both for uni-directional and bi-directional rings, and we give ...
The interaction of Mg2+, AMP, and fructose 2,6-bisphosphate with respect to rabbit liver fructose-1,6-bisphosphatase was investigated by studying initial-rate kinetics of the system at pH 9.5. A rapid-equilibrium Random Bi Bi mechanism is suggested for the rabbit liver enzyme from the kinetic data. Our kinetic findings indicate that Mg2+ and the inhibitor AMP are mutually exclusive in their bin...
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