About The Medical Condition Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted
Find the definition of the medical term Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted. Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted
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What's The Definition Of The Medical Condition Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted?
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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