Mass-analyzed ion kinetic energy spectrometry
- Mass-analyzed ion kinetic energy spectrometry
Mass-analyzed ion kinetic energy spectrometry (MIKES) is a mass spectrometry technique by which mass spectra are obtained from a sector mass spectrometer that incorporates at least one magnetic sector plus one electric sector in reverse geometry (the beam first enters the magnetic sector).[cite journal |author=Soltero-Rigau E, Kruger TL, Cooks RG |title=Identification of barbiturates by chemical ionization and mass-analyzed ion kinetic energy spectrometry |journal=Anal. Chem. |volume=49 |issue=3 |pages=435–42 |year=1977 |pmid=842853 |doi=] ][cite journal |author=Easton C, Johnson DW, Poulos A |title=Determination of phospholipid base structure by CA MIKES mass spectrometry |journal=J. Lipid Res. |volume=29 |issue=1 |pages=109–12 |year=1988 |pmid=3356947 |doi=] ][cite journal |author=Cooks RG, Kondrat RW, Youssefi M, McLaughlin JL |title=Mass-analyzed ion kinetic energy (MIKE) spectrometry and the direct analysis of coca |journal=J Ethnopharmacol |volume=3 |issue=2-3 |pages=299–312 |year=1981 |pmid=7242113 |doi=] The accelerating voltage, "V", and the magnetic flux density, "B", are set to select the precursor ions of a particular "m/z". The precursor ions then to dissociate or react in an electric field-free region between the two sectors. The ratio of the kinetic energy to charge of the product ions are analyzed by scanning the electric sector field "E". The width of the product ion spectrum peaks is related to the kinetic energy release distribution for the dissociation process.][ cite journal|title=Analysis of a mass-analyzed ion kinetic energy profile. II. Systematic determination of the kinetic energy release distribution|journal=Rapid Communications in Mass Spectrometry|date=1992|first=Chul |last=Yeh|coauthors= Myung Soo Kim|volume=6|issue=4|pages=293–297|doi= 10.1002/rcm.1290060414|url=http://www3.interscience.wiley.com/cgi-bin/fulltext/110446642/PDFSTART|format=PDF|accessdate=2008-03-30 ] ]ee also
*Gas phase ion chemistry
*R. Graham Cooks
References
Bibliography
*cite book |author=Jacques Momigny; Eugen Illenberger |title=Gaseous Molecular Ions: An Introduction To Elementary Processes Induced By Ionization (Topics in Physical Chemistry) |publisher=Steinkopff |location=Darmstadt |year=1999 |pages= |isbn=3-7985-0870-4 |oclc= |doi=
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