نتایج جستجو برای: bivalent ions

تعداد نتایج: 139779  

Journal: :Asian research journal of agriculture 2023

Chenopodium quinoa is a promising species for future food security and combating climate change due to its nutritional content halophytic nature. This study focuses on the temporal differential responses of salt-tolerant (Chadmo) salt-sensitive (Kankolla) under control (CK) 400 mM NaCl arranged randomised block designed (RBD). Biochemical features assessed results indicate significant differenc...

Journal: :The Biochemical journal 1979
G M Roomans G W Borst-Pauwels

The effect of bivalent cations on phosphate uptake by Saccharomyces cerevisiae was investigated. Phosphate uptake via the Na+-dependent transport system at pH 7.2 is stimulated by bivalent cations. The apparent affinity of phosphate for the transport mechanism is increased, but the apparent affinity for Na+ is decreased. Uptake of phosphate via the Na+-independent transport system is accompanie...

Journal: :Cancer research 1992
E N Kaufman R K Jain

The affinity of a monoclonal antibody for its tumor-associated antigen is one of several parameters governing in vivo monoclonal antibody distribution. However, there is a lack of apparent correlation between the affinity of a bivalent monoclonal antibody measured using equilibrium binding experiments and its in vivo delivery. Furthermore, differences in the reported affinity for identical anti...

2015
Amar M. Singh Yuhua Sun Li Li Wenjuan Zhang Tianming Wu Shaying Zhao Zhaohui Qin Stephen Dalton

Here we show that bivalent domains and chromosome architecture for bivalent genes are dynamically regulated during the cell cycle in human pluripotent cells. Central to this is the transient increase in H3K4-trimethylation at developmental genes during G1, thereby creating a "window of opportunity" for cell-fate specification. This mechanism is controlled by CDK2-dependent phosphorylation of th...

Journal: :archives of razi institute 2016
r. seyedian s.m. hoseiny m. kamyab r. mansury n. seyedian

hemiscorpius lepturus belonging to hemiscorpiidae family is the most venomous of all types of scorpion existing in south west of iran causing hemoglobinuria and dermal lesions by envenomation. we compare the hemolytic pattern upon time in different domestic animals upon time according to their different sphingomyelin contents. in addition other in vitro hematologic parameters, platelet lysis, c...

Journal: :Acta psychologica 2014
Alodie Rey-Mermet Beat Meier

Encountering a conflict triggers an adjustment of cognitive control. This adjustment of cognitive control can even affect subsequent performance. The purpose of the present study was to determine whether more conflict triggers more adjustment of cognitive control for subsequent performance. To this end, we focussed on the bivalency effect, that is, the adjustment of cognitive control following ...

2008
A. Avron

According to Suszko’s Thesis, any multi-valued semantics for a logical system can be replaced by an equivalent bivalent one. Moreover: bivalent semantics for families of logics can frequently be developed in a modular way. On the other hand bivalent semantics usually lacks the crucial property of analycity, a property which is guaranteed for the semantics of multi-valued matrices. We show that ...

2010
Thisbe K Lindhorst Kathrin Bruegge Andreas Fuchs Oliver Sperling

FimH is a mannose-specific bacterial lectin found on type 1 fimbriae with a monovalent carbohydrate recognition domain (CRD) that is known from X-ray studies. However, binding studies with multivalent ligands have suggested an additional carbohydrate-binding site on this protein. In order to prove this hypothesis, a bivalent glycopeptide ligand with the capacity to bridge two putative carbohydr...

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