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| Re: [[ASMS Terms and Definitions Poster]]
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| Collision-induced dissociation - Process whereby a mass-selected ion is excited and caused to fragment by collision with a target gas, especially in MS/MS.
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| Julia Laskin??????????????
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| 01-09-2004 03:09 PM ET (US)
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| Mass selection is not a necessary condition for CID - can be safely removed from the definition
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| ----
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| ??????????????
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| Kermit Murray??????????????
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| 01-31-2004 02:52 PM ET (US)
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| The collision-induced dissociation (CID) vs. collision-activated dissociation (CAD) issue needs to be addressed. Price's 1991 paper (JASMS v.2, p 336) lists both as equivalent and does not mention mass selection in the definition.
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| == From John Langley ==
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| {{Sugdef|Collision-Induced Dissociation
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| |An ion/neutral process wherein the (fast) projectile ions dissociate as a result of interaction with a target gaseous species. Dissociation is brought about by conversion of the translational energy of part of the ion, during the collision, to internal energy in the ion.
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| The term [[collisional-activated dissociation]] (or decomposition), abbreviated [[CAD]], is also used.
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| }}
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| ::--[[User:Kkmurray|K. Murray]] 22:07, 2 Mar 2005 (CST)
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