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Showing 1 to 12 of 28 entries
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In vitro antioxidant properties of the iron chelator pyridoxal isonicotinoyl hydrazone and some of its analogs.

Redox report : communications in free radical research

Schulman HM, Hermes-Lima M, Wang EM, Ponka P.
PMID: 27405837
Redox Rep. 1995 Nov;1(5):373-8. doi: 10.1080/13510002.1995.11747014.

Since there are several problems with desferrioxamine (DFO) therapy, pyridoxal isonicotinoyl hydrazone (PIH) has been studied for more than 10 years as a promising new candidate for iron chelation therapy in iron-overload diseases. Iron chelation could also be helpful...

Simulation of multi-frequency EPR spectra for a distribution of the zero-field splitting.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Azarkh M, Groenen EJ.
PMID: 25955436
J Magn Reson. 2015 Jun;255:106-13. doi: 10.1016/j.jmr.2015.04.006. Epub 2015 Apr 24.

We present a numerical procedure called 'grid-of-errors' to extract the distribution of magnetic interactions from continuous-wave electron-paramagnetic-resonance (EPR) spectra at multiple microwave frequencies. The approach is based on the analysis of the lineshape of the spectra and explicitly worked...

The pH Requirement for in Vivo Activity of the Iron-Deficiency-Induced "Turbo" Ferric Chelate Reductase (A Comparison of the Iron-Deficiency-Induced Iron Reductase Activities of Intact Plants and Isolated Plasma Membrane Fractions in Sugar Beet).

Plant physiology

Susin S, Abadia A, Gonzalez-Reyes JA, Lucena JJ, Abadia J.
PMID: 12226175
Plant Physiol. 1996 Jan;110(1):111-123. doi: 10.1104/pp.110.1.111.

The characteristics of the Fe reduction mechanisms induced by Fe deficiency have been studied in intact plants of Beta vulgaris and in purified plasma membrane vesicles from the same plants. In Fe-deficient plants the in vivo Fe(III)-ethylenediaminetetraacetic complex [Fe(III)-EDTA]...

Thermometric studies on the Fe(III)-EDTA chelate.

Talanta

Dot K.
PMID: 18962215
Talanta. 1978 Feb;25(2):97-101. doi: 10.1016/0039-9140(78)80040-x.

A DeltaH of -11.5 +/- 0.5 kJ/mole has been determined for the formation of the Fe(III)-EDTA chelate at 25.0 degrees and mu = 0.1(= [HClO(4)] + [NaClO(4)]) by a direct thermometric titration procedure. The entropy change, DeltaS, has been...

Depolarization of Cell Membrane Potential during Trans-Plasma Membrane Electron Transfer to Extracellular Electron Acceptors in Iron-Deficient Roots of Phaseolus vulgaris L.

Plant physiology

Sijmons PC, Lanfermeijer FC, de Boer AH, Prins HB, Bienfait HF.
PMID: 16663976
Plant Physiol. 1984 Dec;76(4):943-6. doi: 10.1104/pp.76.4.943.

Transfer of electrons from the cytosol of bean (Phaseolus vulgaris L.) root cells to extracellular acceptors such as ferricyanide and Fe(III)EDTA causes a rapid depolarization of the membrane potential. This effect is most pronounced (30-40 millivolts) with root cells...

A Dual Associated-Functional Fluorescent Switch: From Alternate Detection Cycle for Fe(III) and pH to Molecular Logic Operations.

Inorganic chemistry

Zhou XS, Fan RQ, Ye HX, Xing K, Wang AN, Wang P, Hao SE, Yang YL.
PMID: 30672708
Inorg Chem. 2019 Feb 04;58(3):2122-2132. doi: 10.1021/acs.inorgchem.8b03209. Epub 2019 Jan 23.

With the expansion and deepening of scientific research, dual-functional or multifunctional materials are urgently needed to replace those for single application. Herein, a fluorescence sensing system based on an In(III)-organic complex with in situ Lewis acid sites has been...

Cu(II)-EDTA removal by a two-step Fe(0) electrocoagulation in near natural water: Sequent transformation and oxidation of EDTA complexes.

Journal of hazardous materials

Xie S, Shao W, Zhan H, Wang Z, Ge C, Li Q, Fu W.
PMID: 32193116
J Hazard Mater. 2020 Jun 15;392:122473. doi: 10.1016/j.jhazmat.2020.122473. Epub 2020 Mar 06.

The widely usage of ethylenediaminetetraacetic acid (EDTA) arises environmental concerns on toxic metal mobilization, and challenges the conventional processes in water treatment. In the study Cu(II)-EDTA in near natural water was efficiently removed during a two-step electrocoagulation using Fe(0)...

Sensitive determination of hydrogen peroxide in real water samples by high spin peroxo complex.

Turkish journal of chemistry

Yavuz T, Pelİt L.
PMID: 33488168
Turk J Chem. 2020 Apr 01;44(2):435-447. doi: 10.3906/kim-1909-10. eCollection 2020.

In this paper, a fast, cheap, simple, sensitive and selective spectrophotometric method based on high spin peroxo-Fe(III)-EDTA complex in the alkaline medium was developed for the determination of hydrogen peroxide (H

Fe reduction in cell walls of soybean roots.

Plant physiology

Tipton CL, Thowsen J.
PMID: 16664427
Plant Physiol. 1985 Oct;79(2):432-5. doi: 10.1104/pp.79.2.432.

Reduction of Fe(III)EDTA by excised roots of soybean seedlings (Glycine max L.) is stimulated by l-malate in the bathing solution. Reduction occurs much more rapidly with roots of seedlings grown in the absence of iron than with roots of...

Determination of the Reaction Quantum Yield for the Photochemical Degradation of Fe(III)-EDTA: Implications for the Environmental Fate of EDTA in Surface Waters.

Environmental science & technology

Kari FG, Hilger S, Canonica S.
PMID: 22176409
Environ Sci Technol. 1995 Apr 01;29(4):1008-17. doi: 10.1021/es00004a022.

No abstract available.

Influence of fluoride on the reversible binding of NO by [Fe(II)(EDTA)(H2O)]2-. Inhibition of autoxidation of [Fe(II)(EDTA)(H2O)]2-.

Inorganic chemistry

Maigut J, Meier R, van Eldik R.
PMID: 18563876
Inorg Chem. 2008 Jul 21;47(14):6314-21. doi: 10.1021/ic800378c. Epub 2008 Jun 18.

The promising BioDeNO(x) process for NO removal from gaseous effluents suffers from an unsolved problem that results from the oxygen sensitivity of the Fe(II)-aminopolycarboxylate complexes used in the absorber unit to bind NO(g). The utilized [Fe(II)(EDTA)(H2O)](2-) complex is extremely...

Protein profile of Beta vulgaris leaf apoplastic fluid and changes induced by Fe deficiency and Fe resupply.

Frontiers in plant science

Ceballos-Laita L, Gutierrez-Carbonell E, Lattanzio G, Vázquez S, Contreras-Moreira B, Abadía A, Abadía J, López-Millán AF.
PMID: 25852707
Front Plant Sci. 2015 Mar 18;6:145. doi: 10.3389/fpls.2015.00145. eCollection 2015.

The fluid collected by direct leaf centrifugation has been used to study the proteome of the sugar beet apoplastic fluid as well as the changes induced by Fe deficiency and Fe resupply to Fe-deficient plants in the protein profile....

Showing 1 to 12 of 28 entries