نتایج جستجو برای: enrichment factor ef
تعداد نتایج: 892489 فیلتر نتایج به سال:
Association between executive functions and theory of mind in children: Empirical evidence theoretical implications. Previous studies have found that functioning (EF) is related to (ToM). However, the directionality strength this link remain a topic debate current literature. The aim paper was analyze study perspectives empirical on co-development EF ToM children. literature search performed We...
Abstract The impact of anthropogenic activities such as mining, agriculture and urbanization is causing heavy metal contamination in many freshwater ecosystems. concentrations eight elements (As, Cr, Cu, Fe, Mn, Ni, Pb Zn) the Spekboom River, South Africa, were studied using enrichment factor (EF) geo-accumulation index (I geo ) to assess extent pollution river. Sediment samples collected analy...
Short, reliable, easily administered executive function (EF) assessment tools are needed to measure EF in low- and middle-income countries, particularly sub-Saharan Africa given the prevalence of human immunodeficiency virus (HIV)-associated neurocognitive disorder. We Oxford Cognitive Screen—Executive Function (OCS-EF) 932 rural South African females (mean age 19.7 years). OCS-EF includes seve...
Soil pollution by some heavy metals including: Cr, Mn, Fe, Ni, Cu, Zn, As, Mo, Cd and Pb from northern industrial area of Erbil City was assessed. The contamination indices geoaccumulation (Igeo), factor (CF), enrichment (EF), degree (Cdeg), load index (PLI) element (ECI) were applied to assess soil in North Industrial at three sites (for both surface sub-surface soils). Maximum Fe value 34243....
Edema factor (EF), a key virulence factor in anthrax pathogenesis, has calmodulin (CaM)-activated adenylyl cyclase activity. We have found that adefovir dipivoxil, a drug approved to treat chronic infection of hepatitis B virus, effectively inhibits EF-induced cAMP accumulation and changes in cytokine production in mouse primary macrophages. Adefovir diphosphate (PMEApp), the active cellular me...
The aim of the research has been to assay contents Zn, Cu, Mn, Fe, and Pb in soil organs wild Thymus serpyllum L. acquired from three natural habitats Kuyavia-Pomerania Province (Poland) not exposed contamination with metals. As compared geochemical background soils region value enrichment factor (EF), there was noted a considerable content two locations. plant tissues one locations higher than...
UNLABELLED Elongation factor P (EF-P) is a universally conserved bacterial translation factor homologous to eukaryotic/archaeal initiation factor 5A. In Salmonella, deletion of the efp gene results in pleiotropic phenotypes, including increased susceptibility to numerous cellular stressors. Only a limited number of proteins are affected by the loss of EF-P, and it has recently been determined t...
Protein synthesis on the ribosome involves a number of external protein factors that bind at its functional sites. One key factor is the elongation factor G (EF-G) that facilitates the translocation of transfer RNAs between their binding sites, as well as advancement of the messenger RNA by one codon. The details of the EF-G/ribosome diffusional encounter and EF-G association pathway still rema...
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