Atomic force microscope controlled topographical imaging and proximal probe thermal desorption/ionization mass spectrometry imaging.
Identifieur interne : 002354 ( Main/Curation ); précédent : 002353; suivant : 002355Atomic force microscope controlled topographical imaging and proximal probe thermal desorption/ionization mass spectrometry imaging.
Auteurs : Olga S. Ovchinnikova [États-Unis] ; Kevin Kjoller ; Gregory B. Hurst ; Dale A. Pelletier ; Gary J. Van BerkelSource :
- Analytical chemistry [ 1520-6882 ] ; 2014.
Descripteurs français
- KwdFr :
- Agar-agar (MeSH), Encre (MeSH), Impression (processus) (MeSH), Microscopie à force atomique (instrumentation), Microscopie à force atomique (méthodes), Phénazines (analyse), Populus (microbiologie), Pression atmosphérique (MeSH), Propriétés de surface (MeSH), Pseudomonas (composition chimique), Pseudomonas (métabolisme), Racines de plante (microbiologie), Spectrométrie de masse MALDI (instrumentation), Spectrométrie de masse MALDI (méthodes), Température élevée (MeSH), Traitement d'image par ordinateur (MeSH).
- MESH :
- analyse : Phénazines.
- composition chimique : Pseudomonas.
- microbiologie : Populus, Racines de plante.
- métabolisme : Pseudomonas.
- méthodes : Microscopie à force atomique, Spectrométrie de masse MALDI.
- Agar-agar, Encre, Impression (processus), Microscopie à force atomique, Pression atmosphérique, Propriétés de surface, Spectrométrie de masse MALDI, Température élevée, Traitement d'image par ordinateur.
English descriptors
- KwdEn :
- Agar (MeSH), Atmospheric Pressure (MeSH), Hot Temperature (MeSH), Image Processing, Computer-Assisted (MeSH), Ink (MeSH), Microscopy, Atomic Force (instrumentation), Microscopy, Atomic Force (methods), Phenazines (analysis), Plant Roots (microbiology), Populus (microbiology), Printing (MeSH), Pseudomonas (chemistry), Pseudomonas (metabolism), Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (instrumentation), Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (methods), Surface Properties (MeSH).
- MESH :
- chemical , analysis : Phenazines.
- chemical : Agar.
- chemistry : Pseudomonas.
- instrumentation : Microscopy, Atomic Force, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization.
- metabolism : Pseudomonas.
- methods : Microscopy, Atomic Force, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization.
- microbiology : Plant Roots, Populus.
- Atmospheric Pressure, Hot Temperature, Image Processing, Computer-Assisted, Ink, Printing, Surface Properties.
Abstract
This paper reports on the development of a hybrid atmospheric pressure atomic force microscopy/mass spectrometry imaging system utilizing nanothermal analysis probes for thermal desorption surface sampling with subsequent atmospheric pressure chemical ionization and mass analysis. The basic instrumental setup and the general operation of the system were discussed, and optimized performance metrics were presented. The ability to correlate topographic images of a surface with atomic force microscopy and a mass spectral chemical image of the same surface, utilizing the same probe without moving the sample from the system, was demonstrated. Co-registered mass spectral chemical images and atomic force microscopy topographical images were obtained from inked patterns on paper as well as from a living bacterial colony on an agar gel. Spatial resolution of the topography images based on pixel size (0.2 μm × 0.8 μm) was better than the resolution of the mass spectral images (2.5 μm × 2.0 μm), which were limited by current mass spectral data acquisition rate and system detection levels.
DOI: 10.1021/ac4026576
PubMed: 24377265
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pubmed:24377265Le document en format XML
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<author><name sortKey="Ovchinnikova, Olga S" sort="Ovchinnikova, Olga S" uniqKey="Ovchinnikova O" first="Olga S" last="Ovchinnikova">Olga S. Ovchinnikova</name>
<affiliation wicri:level="2"><nlm:affiliation>Organic and Biological Mass Spectrometry Group, Chemical Sciences Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831-6131.</nlm:affiliation>
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<series><title level="j">Analytical chemistry</title>
<idno type="eISSN">1520-6882</idno>
<imprint><date when="2014" type="published">2014</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Agar (MeSH)</term>
<term>Atmospheric Pressure (MeSH)</term>
<term>Hot Temperature (MeSH)</term>
<term>Image Processing, Computer-Assisted (MeSH)</term>
<term>Ink (MeSH)</term>
<term>Microscopy, Atomic Force (instrumentation)</term>
<term>Microscopy, Atomic Force (methods)</term>
<term>Phenazines (analysis)</term>
<term>Plant Roots (microbiology)</term>
<term>Populus (microbiology)</term>
<term>Printing (MeSH)</term>
<term>Pseudomonas (chemistry)</term>
<term>Pseudomonas (metabolism)</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (instrumentation)</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (methods)</term>
<term>Surface Properties (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Agar-agar (MeSH)</term>
<term>Encre (MeSH)</term>
<term>Impression (processus) (MeSH)</term>
<term>Microscopie à force atomique (instrumentation)</term>
<term>Microscopie à force atomique (méthodes)</term>
<term>Phénazines (analyse)</term>
<term>Populus (microbiologie)</term>
<term>Pression atmosphérique (MeSH)</term>
<term>Propriétés de surface (MeSH)</term>
<term>Pseudomonas (composition chimique)</term>
<term>Pseudomonas (métabolisme)</term>
<term>Racines de plante (microbiologie)</term>
<term>Spectrométrie de masse MALDI (instrumentation)</term>
<term>Spectrométrie de masse MALDI (méthodes)</term>
<term>Température élevée (MeSH)</term>
<term>Traitement d'image par ordinateur (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Phenazines</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Agar</term>
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<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Phénazines</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Pseudomonas</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Pseudomonas</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Microscopy, Atomic Force</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Pseudomonas</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Microscopy, Atomic Force</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Populus</term>
<term>Racines de plante</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Pseudomonas</term>
</keywords>
<keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Microscopie à force atomique</term>
<term>Spectrométrie de masse MALDI</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Atmospheric Pressure</term>
<term>Hot Temperature</term>
<term>Image Processing, Computer-Assisted</term>
<term>Ink</term>
<term>Printing</term>
<term>Surface Properties</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Agar-agar</term>
<term>Encre</term>
<term>Impression (processus)</term>
<term>Microscopie à force atomique</term>
<term>Pression atmosphérique</term>
<term>Propriétés de surface</term>
<term>Spectrométrie de masse MALDI</term>
<term>Température élevée</term>
<term>Traitement d'image par ordinateur</term>
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<front><div type="abstract" xml:lang="en">This paper reports on the development of a hybrid atmospheric pressure atomic force microscopy/mass spectrometry imaging system utilizing nanothermal analysis probes for thermal desorption surface sampling with subsequent atmospheric pressure chemical ionization and mass analysis. The basic instrumental setup and the general operation of the system were discussed, and optimized performance metrics were presented. The ability to correlate topographic images of a surface with atomic force microscopy and a mass spectral chemical image of the same surface, utilizing the same probe without moving the sample from the system, was demonstrated. Co-registered mass spectral chemical images and atomic force microscopy topographical images were obtained from inked patterns on paper as well as from a living bacterial colony on an agar gel. Spatial resolution of the topography images based on pixel size (0.2 μm × 0.8 μm) was better than the resolution of the mass spectral images (2.5 μm × 2.0 μm), which were limited by current mass spectral data acquisition rate and system detection levels. </div>
</front>
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<ArticleTitle>Atomic force microscope controlled topographical imaging and proximal probe thermal desorption/ionization mass spectrometry imaging.</ArticleTitle>
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<Abstract><AbstractText>This paper reports on the development of a hybrid atmospheric pressure atomic force microscopy/mass spectrometry imaging system utilizing nanothermal analysis probes for thermal desorption surface sampling with subsequent atmospheric pressure chemical ionization and mass analysis. The basic instrumental setup and the general operation of the system were discussed, and optimized performance metrics were presented. The ability to correlate topographic images of a surface with atomic force microscopy and a mass spectral chemical image of the same surface, utilizing the same probe without moving the sample from the system, was demonstrated. Co-registered mass spectral chemical images and atomic force microscopy topographical images were obtained from inked patterns on paper as well as from a living bacterial colony on an agar gel. Spatial resolution of the topography images based on pixel size (0.2 μm × 0.8 μm) was better than the resolution of the mass spectral images (2.5 μm × 2.0 μm), which were limited by current mass spectral data acquisition rate and system detection levels. </AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ovchinnikova</LastName>
<ForeName>Olga S</ForeName>
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<MeshHeading><DescriptorName UI="D007281" MajorTopicYN="N">Ink</DescriptorName>
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