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DeCS
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Descriptor English:
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Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
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Descriptor Spanish:
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Espectrometría de Masa por Láser de Matriz Asistida de Ionización Desorción
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Descriptor Portuguese:
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Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz
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Synonyms English:
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Laser Desorption Ionization Mass Spectrometry, Matrix Assisted
Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted
MALD-MS
MALDI
MALDI MS
MALDI-MS
MS-MALD
Mass Spectrometry, Matrix Assisted Laser Desorption Ionization
Mass Spectrometry, Matrix-Assisted Laser Desorption-Ionization
Mass Spectroscopy, Matrix Assisted Laser Desorption Ionization
Mass Spectroscopy, Matrix-Assisted Laser Desorption-Ionization
Matrix Assisted Laser Desorption Ionization Mass Spectrometry
Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry
SELDI-TOF-MS
Spectroscopy, Mass, Matrix-Assisted Laser Desorption-Ionization
Surface Enhanced Laser Desorption Ionization Mass Spectrometry
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Tree Number:
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E05.196.566.755
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Definition English:
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A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. In general, only molecular ions of the analyte molecules are produced, and almost no fragmentation occurs. This makes the method well suited for molecular weight determinations and mixture analysis. |
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History Note English:
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96
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Allowable Qualifiers English:
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Record Number:
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32607
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Unique Identifier:
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D019032
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Occurrence in VHL:
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Similar:
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DeCS
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