Talk:Hydrogen–deuterium exchange

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"chemical reaction"

According to the internal wiki link provided, "A chemical reaction is a process that leads to the transformation of one set of chemical substances to [sic] another." By this definition, hydrogen-deuterium exchange is not a chemical reaction, since isotopic exchange does not alter the chemical structure of a substance. Tachyon 22:07, 17 December 2011 (UTC) — Preceding unsigned comment added by Janopus (talk • contribs)

Since hydrogen and deuterium atoms differ in some physical properties and therefore are not chemically identical it is more logical to argue that the exchange of a hydrogen atom for a deuterium atom is in fact a chemical reaction.^[1] Massovercharge 10:40, 10 June 2020 (UTC)[reply]

Precedence

The physical exchange of protons and deuterium nuclei was known well before its application to proteins. For example, see Halford et al., 1934 ^[2] Tachyon 22:33, 17 December 2011 (UTC)

References

^ Scheiner, Steve; Čuma, Martin (February 14, 1996). "Relative Stability of Hydrogen and Deuterium Bonds". J. Am. Chem. Soc. 118 (6): 1511–1521. doi:10.1021/ja9530376.
^ Halford, Leigh C. Anderson, John R. Bates, J. O.; Anderson, Leigh C.; Bates, John R. (1934). "THE INTRODUCTION OF DEUTERIUM ATOMS INTO ACETONE". Journal of the American Chemical Society. 45 (2): 491–492. doi:10.1021/ja01317a509.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[1] Scheiner, Steve; Čuma, Martin (February 14, 1996). "Relative Stability of Hydrogen and Deuterium Bonds". J. Am. Chem. Soc. 118 (6): 1511–1521. doi:10.1021/ja9530376.

[2] Halford, Leigh C. Anderson, John R. Bates, J. O.; Anderson, Leigh C.; Bates, John R. (1934). "THE INTRODUCTION OF DEUTERIUM ATOMS INTO ACETONE". Journal of the American Chemical Society. 45 (2): 491–492. doi:10.1021/ja01317a509.{{cite journal}}: CS1 maint: multiple names: authors list (link)

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