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477 results on '"Koppenol, Willem H."'

1. A century of the Warburg effect

Author

Thompson, Craig B., Vousden, Karen H., Johnson, Randall S., Koppenol, Willem H., Sies, Helmut, Lu, Zhimin, Finley, Lydia W. S., Frezza, Christian, Kim, Jiyeon, Hu, Zeping, and Bartman, Caroline R.

Published
2023
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8. Rust never sleeps: The continuing story of the Iron Bolt

Author

van der Vliet, Albert, Dick, Tobias P., Aust, Steve D., Koppenol, Willem H., Ursini, Fulvio, Kettle, Anthony J., Beckman, Joseph S., O’Donnell, Valerie, Darley-Usmar, Victor, Lancaster, Jack, Jr., Hogg, Neil, Davies, Kelvin J.A., Forman, Henry Jay, and Janssen-Heininger, Yvonne M.W.

Published
2018
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32. Oxidation of nitride by peroxynitrous acid

Author

Maurer, Patrick, Thomas, Chris F., Kissner, Reinhard, Ruegger, Heinz, Greter, Oswald, Rothlisberger, Ursula, and Koppenol, Willem H.

Subjects
Nitriles -- Chemical properties, Oxidation-reduction reaction -- Methods, Chemicals, plastics and rubber industries
Abstract

The kinetics of oxidation of nitrile to nitrate by peroxynitrous acid at 5.2 can be described by the rate law K(sub obs) =k(sub iso) + K'[NO2(super -)] + k'[NO(sub 2)(super -)](super 2), in which the peroxynitrous acid isomerization rate constant K(sub iso) = (1.10 plus or minus 0.05)s(super -1), K'=(3.2 plusmn 0.1) M(super -1) s(super -1), and K'=(4.2 plusmn 0.3) M(super -2)s(super -1), at 25 degree Celsius.

Published
2003

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

Author

Kissner, Reinhard and Koppenol, Willem H.

Subjects
Nitrites -- Research, Nitrites -- Thermal properties, Isomerization -- Methods, Decomposition (Chemistry) -- Methods, Chemistry
Abstract

The product distribution of peroxynitrite decay as a function of pH, temperature, and concentration are studied. It is observed that below 5 degree Celsius and pH 7, small amounts of decomposition products nitrite and dioxygen are formed, even when the peroxynitrite concentration is high, and at a higher pH, the decomposition increases at the expense of the isomerization, up to nearly 80 percent at pH10.0 at 5 degree Celsius and 90 percent at 45 degree Celsius.

Published
2002

47. How to name new chemical elements (IUPAC Recommendations 2016)

Author

Koppenol, Willem H., Corish, John, García-Martínez, Javier, Meija, Juris, Reedijk, Jan, Koppenol, Willem H., Corish, John, García-Martínez, Javier, Meija, Juris, and Reedijk, Jan

Abstract

A procedure is proposed to name new chemical elements. After the discovery of a new element is established by the joint IUPAC-IUPAP Working Group, the discoverers are invited to propose a name and a symbol to the IUPAC Inorganic Chemistry Division. Elements can be named after a mythological concept, a mineral, a place or country, a property or a scientist. After examination and acceptance by the Inorganic Chemistry Division, the proposal follows the accepted IUPAC procedure and is then ratified by the Council of IUPAC. This document is a slightly amended version of the 2002 IUPAC Recommendations; the most important change is that the names of all new elements should have an ending that reflects and maintains historical and chemical consistency. This would be in general "-ium” for elements belonging to groups 1-16, i.e. including the f-block elements, "-ine” for elements of group 17 and "-on” for elements of group 18.

Published
2019

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