Search filters

List of works by Willem Koppenol

100 years of peroxynitrite chemistry and 11 years of peroxynitrite biochemistry

scientific article published on 01 January 2001

A practical method for preparing peroxynitrite solutions of low ionic strength and free of hydrogen peroxide

article

A thermodynamic appraisal of the radical sink hypothesis

scientific article published on 01 January 1993

A tunnelling model to explain the reduction of ferricytochrome c by H and OH radicals

scientific article published on July 1978

ALS, SOD and peroxynitrite

scientific article published in Nature

Antioxidant nanoreactor based on superoxide dismutase encapsulated in superoxide-permeable vesicles

scientific article

Binding of ferredoxin to ferredoxin:NADP+ oxidoreductase: the role of carboxyl groups, electrostatic surface potential, and molecular dipole moment

scientific article

Calmodulin methionine residues are targets for one-electron oxidation by hydroxyl radicals: formation of S[therefore]N three-electron bonded radical complexes

scientific article published on 10 December 2004

Can ONOOH Undergo Homolysis? ⬇️

scientific article published on 01 February 1998

Catalysis of electron transfer by selenocysteine

scientific article

Catalysis of superoxide dismutation by manganese aminopolycarboxylate complexes

scientific article published on December 1986

Chemical characterization of the smallest S-nitrosothiol, HSNO; cellular cross-talk of H2S and S-nitrosothiols

scientific article

Chemiluminescence of Pholasin caused by peroxynitrite

scientific article

Chemiosmotic ATPase mechanisms

scientific article published on 01 January 1982

Concurrent cooperativity and substrate inhibition in the epoxidation of carbamazepine by cytochrome P450 3A4 active site mutants inspired by molecular dynamics simulations

scientific article

Conformation of peroxynitrite: determination by crystallographic analysis

scientific article published on 01 April 1999

Cytochrome c and superoxide

scientific article published on 18 July 2013

Damage to fuel cell membranes. Reaction of HO* with an oligomer of poly(sodium styrene sulfonate) and subsequent reaction with O(2).

scientific article published on 5 August 2010

Decomposition kinetics of peroxynitrite: influence of pH and buffer

scientific article published on 23 May 2013

Distance-dependent diffusion-controlled reaction of •NO and O2•- at chemical equilibrium with ONOO-

scientific article published on 10 November 2010

Distinction between hydroxyl radical and ferryl species

scientific article published on 01 January 1990

Effect of a molecular dipole on the ionic strength dependence of a biomolecular rate constant. Identification of the site of reaction.

scientific article

Effects of gamma-irradiation on isolated rat liver mitochondria

scientific article

Efficient depletion of ascorbate by amino acid and protein radicals under oxidative stress

scientific article published on 11 August 2012

Efficient repair of protein radicals by ascorbate

scientific article published on 13 January 2009

Electrode Potentials of l-Tryptophan, l-Tyrosine, 3-Nitro-l-tyrosine, 2,3-Difluoro-l-tyrosine, and 2,3,5-Trifluoro-l-tyrosine

scientific article published on 4 May 2016

Electrode potentials of partially reduced oxygen species, from dioxygen to water

scientific article published on 18 April 2010

Electrostatic interactions of 4-carboxy-2,6-dinitrophenyllysine-modified cytochromes c with physiological and non-physiological redox partners

scientific article published in November 1988

Fast repair of protein radicals by urate

scientific article published on 08 March 2012

Fenton chemistry and iron chelation under physiologically relevant conditions: Electrochemistry and kinetics

scientific article published in October 2006

Ferredoxin binding site on ferredoxin: NADP+ reductase. Differential chemical modification of free and ferredoxin-bound enzyme

scientific article published on 01 August 1993

Formation and properties of peroxynitrite as studied by laser flash photolysis, high-pressure stopped-flow technique, and pulse radiolysis

scientific article

Formation and properties of peroxynitrite as studied by laser flash photolysis, high-pressure stopped-flow technique, and pulse radiolysis volume 10, number 11, november 1997, pp 1285-1292

scientific article

Gibbs energy of formation of peroxynitrite.

scientific article published in April 2001

Homolysis of the peroxynitrite anion detected with permanganate.

scientific article published on 15 November 2007

Hydrogen exchange equilibria in glutathione radicals: rate constants

scientific article

Hydrogen exchange equilibria in thiols

scientific article

Hydrogen peroxide, from Wieland to Sies

scientific article

In vitro damage to rat lens by xanthine-xanthine oxidase: protection by ascorbate

scientific article published on 01 December 1986

Inhibition of the Fenton reaction by nitrogen monoxide

scientific article

Intermediates in the autoxidation of nitrogen monoxide

scientific article

Intramolecular addition of cysteine thiyl radicals to phenylalanine in peptides: formation of cyclohexadienyl type radicals

scientific article published on 9 June 2005

Introduction for the special issue on the chemistry of redox signaling

scientific article published on 11 January 2017

Iron(II) binding by cereal beta-glucan

scientific article published on 04 August 2014

Is cytochrome c reactivity determined by dipole moment or by local charges?

scientific article published in October 1983

Jumpstarting the cytochrome P450 catalytic cycle with a hydrated electron

scientific article published on 6 November 2017

Kinetic Simulation of the Chemical Stabilization Mechanism in Fuel Cell Membranes Using Cerium and Manganese Redox Couples

Kinetic study of the reaction of ebselen with peroxynitrite.

scientific article published in December 1996

Kinetic study of the reaction of glutathione peroxidase with peroxynitrite

scientific article published on 01 December 1998

Kinetics evidence for a complex between peroxynitrous acid and titanium(IV)

scientific article published on 01 August 2004

Kinetics of tyrosyl radical reduction by selenocysteine

scientific article

Kinetics properties of Cu,Zn-superoxide dismutase as a function of metal content

scientific article published in July 2005

Low-Temperature Trapping of Intermediates in the Reaction of NO• with O2.

scientific article published on 17 April 2017

Mechanism of reaction of myeloperoxidase with nitrite

scientific journal article

Mechanism of reactions involving singlet oxygen and the superoxide anion

scientific article

Mechanism of the reaction of hydrated electrons with ferrocytochrome c.

scientific article published on February 1977

Mechanistic insight into the peroxidase catalyzed nitration of tyrosine derivatives by nitrite and hydrogen peroxide

scientific article published in March 2004

NO comments

scientific article published on 01 January 1994

NO nomenclature?

scientific article

Names for muonium and hydrogen atoms and their ions(IUPAC Recommendations 2001)

Naming of new elements(IUPAC Recommendations 2002)

scientific article

Nitration and hydroxylation of phenolic compounds by peroxynitrite

scientific article published on 01 January 1996

Nitrosation, Thiols, and Hemoglobin: Energetics and Kinetics ⬇️

scientific article published on May 3, 2012

ONOOH does not react with H2: Potential beneficial effects of H2 as an antioxidant by selective reaction with hydroxyl radicals and peroxynitrite.

scientific article published on 31 July 2014

On the chemical and electrochemical one-electron reduction of peroxynitrous acid

scientific article published on 01 February 2005

On the irreversible destruction of reduced nicotinamide nucleotides by hypohalous acids

scientific article published on 01 August 2000

On the oxidation of cytochrome c by hypohalous acids

scientific article published in May 2001

On the pH-dependent yield of hydroxyl radical products from peroxynitrite

scientific article published on 01 March 1994

Otto Warburg's contributions to current concepts of cancer metabolism

scientific article (publication date: May 2011)

Oxidation of NADH by chloramines and chloramides and its activation by iodide and by tertiary amines.

scientific article

Oxidation-state-dependent reactions of cytochrome c with the trioxidocarbonate(*1-) radical: a pulse radiolysis study

scientific article published on 27 September 2006

Oxygen activation by cytochrome p450: a thermodynamic analysis

scientific article published on 13 July 2007

Oxyradical reactions: from bond-dissociation energies to reduction potentials

scientific article

Oxyradicals and multivitamin tablets

scientific article published on 01 January 1991

Peroxynitrate is formed rapidly during decomposition of peroxynitrite at neutral pH

scientific article published on 05 June 2009

Peroxynitrite Uncloaked? ⬇️

scientific article published on 01 July 1998

Peroxynitrite Uncloaked? volume 11, number 7, july 1998, pp 716-717

scientific article published on 01 November 1998

Peroxynitrite does not decompose to singlet oxygen ((1)Delta (g)O(2)) andnitroxyl (NO(-)).

scientific article published on September 2000

Peroxynitrite efficiently mediates the interconversion of redox intermediates of myeloperoxidase.

scientific article published on 30 September 2005

Peroxynitrite studied by stopped-flow spectroscopy

scientific article published on 01 January 1999

Peroxynitrite, a cloaked oxidant formed by nitric oxide and superoxide

scientific article published on 01 November 1992

Peroxynitrite-mediated oxidation of dichlorodihydrofluorescein and dihydrorhodamine

scientific article published in September 2003

Peroxynitrous acid--where is the hydroxyl radical?

scientific article published on October 2003

Peroxynitrous acid: controversy and consensus surrounding an enigmatic oxidant

scientific article published on 24 September 2012

Photon-initiated homolysis of peroxynitrous acid

scientific article published in August 2009

Preparation and properties of lithium and sodium peroxynitrite.

scientific article published in December 2008

Preventing nitrite contamination in tetramethylammonium peroxynitrite solutions

scientific article published in October 2004

Product distribution of peroxynitrite decay as a function of pH, temperature, and concentration

scientific article published on 01 January 2002

Protein thiyl radical reactions and product formation: a kinetic simulation

scientific article

Qualitative and quantitative determination of nitrite and nitrate with ion chromatography

scientific article published on 01 January 2005

Radical (HO • , H • and HOO • ) Formation and Ionomer Degradation in Polymer Electrolyte Fuel Cells

Radicals in Fuel Cell Membranes: Mechanisms of Formation and Ionomer Attack

Rapid reaction of superoxide with insulin-tyrosyl radicals to generate a hydroperoxide with subsequent glutathione addition

scientific article published on 20 February 2014

Rapid scavenging of peroxynitrous acid by monohydroascorbate.

scientific article published in December 2003

Reaction of CO2 with ONOO-: One Molecule of CO2 Is Not Enough

scientific article published on 08 August 2018

Reaction of SO4˙⁻ with an oligomer of poly(sodium styrene sulfonate). Probing the mechanism of damage to fuel cell membranes

scientific article published on 08 June 2011

Reaction of peroxynitrite with L-tryptophan

scientific article published on 01 June 1996

Reaction of peroxynitrite with carbon dioxide: intermediates and determination of the yield of CO3*- and NO2*

scientific article published on 11 July 2001

Reactions involving singlet oxygen and the superoxide anion ⬇️

scientific article published on July 29, 1976

Reactions of Fe(II)-ATP and Fe(II)-citrate complexes with t-butyl hydroperoxide and cumyl hydroperoxide

scientific article published on 01 November 1990

Reactions of the tetraoxidosulfate(˙-) and hydroxyl radicals with poly(sodium α-methylstyrene sulfonate)

scientific article published on 01 April 2013

Redox cycling of iron complexes of N-(dithiocarboxy)sarcosine and N-methyl-D-glucamine dithiocarbamate

scientific article

Redox properties and activity of iron-citrate complexes: evidence for redox cycling

scientific article published on 17 February 2015

Reduction of protein radicals by GSH and ascorbate: potential biological significance

scientific article published on 09 June 2010

Reversible hydrogen transfer reactions in thiyl radicals from cysteine and related molecules: absolute kinetics and equilibrium constants determined by pulse radiolysis

scientific article published on May 2012

Reversible intramolecular hydrogen transfer between cysteine thiyl radicals and glycine and alanine in model peptides: absolute rate constants derived from pulse radiolysis and laser flash photolysis

scientific article

Rust never sleeps: The continuing story of the Iron Bolt

scientific article published on 18 June 2018

Selenium and sulfur in exchange reactions: a comparative study

scientific article published on October 2010

Signaling by sulfur-containing molecules. Quantitative aspects

scientific article published on 23 September 2016

Spirohydantoin inhibitors of aldose reductase inhibit iron- and copper-catalysed ascorbate oxidation in vitro

scientific article published on 01 August 1991

Studies of metal-binding properties of Cu,Zn superoxide dismutase by isothermal titration calorimetry.

scientific article

The Haber-Weiss cycle – 70 years later ⬇️

scientific article published on January 1, 2001

The basic chemistry of nitrogen monoxide and peroxynitrite ⬇️

scientific article published on 01 September 1998

The centennial of the Fenton reaction

scientific article published in December 1993

The complex interplay of iron metabolism, reactive oxygen species, and reactive nitrogen species: insights into the potential of various iron therapies to induce oxidative and nitrosative stress.

scientific article published on 12 September 2013

The electric potential field around cytochrome c and the effect of ionic strength on reaction rates of horse cytochrome c.

scientific article published on September 1978

The electron-transfer site of spinach plastocyanin

scientific article published in August 1988

The glutathione thiyl radical does not react with nitrogen monoxide

scientific article

The hydroxylation of phenylalanine and tyrosine: a comparison with salicylate and tryptophan

scientific article published in August 1992

The hydroxylation of the salicylate anion by a Fenton reaction and T-radiolysis: a consideration of the respective mechanisms

scientific article published on 01 January 1990

The hydroxylation of tryptophan

scientific article published in August 1992

The kinetics of oxidation of GSH by protein radicals

scientific article published on December 2005

The kinetics of the oxidation of L-ascorbic acid by peroxynitrite

scientific article published in January 1995

The kinetics of the reaction of nitrogen dioxide with iron(II)- and iron(III) cytochrome c.

scientific article

The kinetics of the reduction of cytochrome c by the superoxide anion radical ⬇️

scientific journal article

The mechanisms of S-nitrosothiol decomposition catalyzed by iron

scientific article

The preparation of apo-Cu,Zn superoxide dismutase by ion-exchange chromatography on iminodiacetic acid-sepharose

scientific article published on 01 June 2000

The quantitative oxidation of methionine to methionine sulfoxide by peroxynitrite

scientific article published on 01 May 2000

The reaction between ferrous polyaminocarboxylate complexes and hydrogen peroxide: an investigation of the reaction intermediates by stopped flow spectrophotometry

scientific article published on 01 March 1987

The reaction of ferrous EDTA with hydrogen peroxide: evidence against hydroxyl radical formation

scientific article published on 01 January 1985

The reaction of peroxynitrite with zeaxanthin

scientific article published on 01 January 1998

The reduction potential of the couple O3/O3. Consequences for mechanisms of ozone toxicity

scientific article published on 01 April 1982

The superoxide dismutase activities of two higher valent manganese complexes, MnIV desferrioxamine and MnIII-cyclam

scientific article published on August 1991

Thermodynamic considerations on the formation of reactive species from hypochlorite, superoxide and nitrogen monoxide. Could nitrosyl chloride be produced by neutrophils and macrophages?

scientific article published on 01 June 1994

Thermodynamic considerations on the generation of hydroxyl radicals from nitrous oxide—No laughing matter ⬇️

scientific article published on January 1, 1991

Two centuries since discovery of dawn-of-life molecule

scientific article published in Nature

Two pathways of carbon dioxide catalyzed oxidative coupling of phenol by peroxynitrite

scientific article published on 01 March 2006

UV photolysis of 3-nitrotyrosine generates highly oxidizing species: a potential source of photooxidative stress

scientific article

Water increases rates of epoxidation by Mn(III)porphyrins/imidazole/IO4(-) in CH2Cl2. Analogy with peroxidase and chlorite dismutase

scientific article published on 01 August 2011

What is in a name? Rules for radicals

scientific article published on 01 January 1990

Why do proteins use selenocysteine instead of cysteine?

scientific article published on 13 May 2010

Why selenocysteine replaces cysteine in thioredoxin reductase: a radical hypothesis

scientific article published on 16 July 2014

Paulina is supported by:

About Paulina

Help