Article (Scientific journals)
Mass spectrometry imaging of rat brain sections: nanomolar sensitivity with MALDI versus nanometer resolution by TOF–SIMS
Benabdellah, Farida; Seyer, Alexandre; Quinton, Loïc et al.
2010In Analytical and Bioanalytical Chemistry, 396 (1), p. 151-162
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Keywords :
Mass spectrometry imaging; MALDI; TOF-SIMS; Lipids; rat brain
Abstract :
[en] Mass spectrometry imaging is becoming a more and more widely used method for chemical mapping of organic and inorganic compounds from various surfaces, especially tissue sections. Two main different techniques are now available: matrix-assisted laser desorption/ionizaton, where the sample, preliminary coated by an organic matrix, is analyzed by a UV laser beam; and secondary ion mass spectrometry, for which the target is directly submitted to a focused ion beam. Both techniques revealed excellent performances for lipid mapping of tissue surfaces. This article will discuss similarities, differences, and specificities of ion images generated by these two techniques in terms of sample preparation, sensitivity, ultimate spatial resolution, and structural analysis.
Disciplines :
Chemistry
Author, co-author :
Benabdellah, Farida;  Centre National de la Recherche Scientifique - CNRS > Institut de Chimie des Substances Naturelles - Laboratoire de spectrométrie de Masse- 91198 Gif-sur-Yvette Cedex, France
Seyer, Alexandre;  Centre National de la Recherche Scientifique - CNRS > Institut de Chimie des Substances Naturelles - Laboratoire de spectrométrie de Masse- 91198 Gif-sur-Yvette Cedex, France
Quinton, Loïc  ;  Université de Liège - ULiège > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.)
Touboul, David;  Centre National de la Recherche Scientifique - CNRS > Institut de Chimie des Substances Naturelles - Laboratoire de spectrométrie de Masse- 91198 Gif-sur-Yvette Cedex, France
Brunelle, Alain;  Centre National de la Recherche Scientifique - CNRS > Institut de Chimie des Substances Naturelles - Laboratoire de spectrométrie de Masse- 91198 Gif-sur-Yvette Cedex, France
Laprévote, Olivier;  Centre National de la Recherche Scientifique - CNRS > Institut de Chimie des Substances Naturelles - Laboratoire de spectrométrie de Masse- 91198 Gif-sur-Yvette Cedex, France
Language :
English
Title :
Mass spectrometry imaging of rat brain sections: nanomolar sensitivity with MALDI versus nanometer resolution by TOF–SIMS
Publication date :
January 2010
Journal title :
Analytical and Bioanalytical Chemistry
ISSN :
1618-2642
eISSN :
1618-2650
Publisher :
Springer Science & Business Media B.V., Berlin, Germany
Volume :
396
Issue :
1
Pages :
151-162
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 May 2010

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