Results 1 to 10 of about 34,186,126 (226)

Chemical Kinetic Method for Active-Site Quantification in Fe-N-C Catalysts and Correlation with Molecular Probe and Spectroscopic Site-Counting Methods. [PDF]

open access: yesJ Am Chem Soc, 2023
Mononuclear Fe ions ligated by nitrogen (FeNx) dispersed on nitrogen-doped carbon (Fe-N-C) serve as active centers for electrocatalytic O2 reduction and thermocatalytic aerobic oxidations.
Bates JS   +18 more
europepmc   +2 more sources

Simple kinetic method for assessing catalase activity in biological samples. [PDF]

open access: yesMethodsX, 2021
A novel kinetic method for measuring catalase activity in biological samples was evaluated. The principle of the current method is based on the oxidation effect of unreacted hydrogen peroxide (H2O2) on pyrogallol red (PGR) using the catalytic effects of ...
Farman AA, Hadwan MH.
europepmc   +2 more sources

Kinetic Methods for Inverse Problems

open access: yesKinetic & Related Models, 2018
The Ensemble Kalman Filter method can be used as an iterative numerical scheme for parameter identification or nonlinear filtering problems. We study the limit of infinitely large ensemble size and derive the corresponding mean-field limit of the ...
Herty, Michael, Visconti, Giuseppe
core   +3 more sources

A kinetic-based stopped-flow DPPH• method

open access: yesScientific Reports, 2023
The reaction kinetics of antioxidants with free radicals is crucial to screen their functionality. However, studying antioxidant-radical interactions is very challenging for fast electron-donor substances, such as ascorbic acid, because the reaction ends
Lucrezia Angeli   +2 more
doaj   +3 more sources

Kinetic determination of Se(IV) in pharmaceutical samples [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
A kinetic method is described for the determination of Se(IV) based on its inhibiting effect on the Fe(III) catalysis of the oxidation of C6H5COONa with hydrogen peroxide.
Mitić S.S.   +3 more
doaj   +3 more sources

Kinetic determination of ultramicro amounts of Cu(II) ion in solution [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
A new kinetic method is described for the determination of ultramicro amounts of Cu(II) based on its catalytic effect on the oxidation of trisodium-2-hydroxy 1-(4-sulphonato-1-naphthylazo)naphthalene-6,8-disulphonato (red artificial color PONCEAU 4R) by ...
Grahovac Zora M.   +2 more
doaj   +3 more sources

Kinetic determination of ultramicro amounts of As(III) in solution [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
A new catalytic reaction is proposed and a kinetic method developed for the determination of ultramicro amounts of As(III) on the basis of its catalytic activity in the oxidation of ethylenediamine-N,N’-diacetic-N,N’ dipropionic acid (EAP) by KMnO4 in ...
Igov Aleksandar R.   +2 more
doaj   +3 more sources

Kinetic determination of rutin [PDF]

open access: yesJournal of the Serbian Chemical Society, 2001
A kinetic method is described for the determination of rutin based on its inhibitory effect on the Fe(II)-AA catalysis of the oxidation of C6H5COONa with hydrogen peroxide. Detection limit of this method is 0.16 ng cm-3. The relative error ranges between
D. A. KOSTIC   +3 more
doaj   +3 more sources

Kinetic spectrophotometric determination of Bi(III) based on its catalytic effect on the oxidation of phenylfluorone by hydrogen peroxide [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
A new reaction was suggested and a new kinetic method was elaborated for determination of Bi(III) in solution, based on its catalytic effect on the oxidation of phenyl-fluorone (PF) by hydrogen peroxide in ammonia buffer.
SOFIJA M. RANČIĆ   +1 more
doaj   +3 more sources

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