نتایج جستجو برای: na edta

تعداد نتایج: 277982  

Journal: :The Biochemical journal 1994
D K Bhattacharyya S Adak U Bandyopadhyay R K Banerjee

EDTA inhibits horseradish peroxidase (HRP)-catalysed iodide oxidation in a concentration and pH-dependent manner. It is more effective at pH 6 than at lower pH values. A plot of log Kiapp. values as a function of pH yields a sigmoidal curve from which a pKa value of 5.4 can be calculated for an ionizable group on the catalytically active HRP for EDTA inhibition. Among the structural analogues o...

Journal: :Environments 2022

Soils close to former mines or metallurgical facilities often contain extreme concentrations of potentially toxic elements (PTEs), and among soil remediation actions needed, enhanced phytoextraction techniques using chelating agents could be a very promising option. In this context, pot experiment was conducted evaluate the effect Na2-EDTA, olive mill wastewater (OMW), their combination (EDTA +...

Journal: :Water 2022

Ni-ethylenediaminetetraacetic acid (Ni-EDTA) poses serious threats to the ecological environment and human health, due its acute toxicity low biodegradability. The decomplexation efficiency of Ni-EDTA through conventional Fenton process has been constrained pH; thus, other appropriate approaches are required destroy stable chelate structure at a neutral pH. In this study, effect operating param...

2009
Frank L. Castille

To examine the hypothesis that EDTA increases hatching rates and survival of penaeid shrimp larvae by decreasing the toxicities of heavy metals through chelation, the toxicity of cadmium, a highly toxic metal, was compared to the toxicities of calcium and phenol in both the presence and absence of EDTA. In addition, the toxicity of EDTA at higher concentrations was examined. The toxicities of E...

Journal: :Chemosphere 2010
Fazal Hadi Asghari Bano Michael P Fuller

This investigation was made to examine the role of gibberellic acid (GA(3)), indole-3-acetic acid (IAA) and EDTA in improving phytoextraction of the Pb and plant growth on Pb added soil. GA(3), IAA and EDTA were applied separately and in combinations. GA(3) and IAA were applied as foliar spray and seed soaking. EDTA was applied in single and split doses. Analysis of the Pb in different parts of...

Journal: :Medicine 2015
Naoko Ohashi-Fukuda Ryota Inokuchi Hajime Sato Kensuke Nakamura Masao Iwagami Tomoki Wada Masahiro Jona Takashi Hisasue Susumu Nakajima Naoki Yahagi

In ethylenediaminetetraacetic acid (EDTA)-dependent pseudothrombocytopenia (PTCP), automated platelet counts are lower than actual counts because of EDTA-induced aggregation. Factors contributing to the incidence of EDTA-PTCP are unknown, and no study has assessed the prognosis of EDTA-PTCP patients. This retrospective study assessed characteristics in EDTA-PTCP patients and matched controls to...

Journal: :Journal of Physics and Chemistry of Solids 2018

Journal: :Journal of Craniofacial Surgery 2013

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