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MASS SPECTROMETRY PROFILING OF ESOPHAGEAL CANCER MARKERS
MASS SPECTROMETRY PROFILING OF ESOPHAGEAL CANCER MARKERS
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机译:食管癌标志物的质谱分析
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摘要
This disclosure relates to the use of Matrix-assisted laser desorption ionization (MALDI) mass spectrometry imaging (MSI) to assay tissue samples. Methods of analyzing a tissue sample may generally comprise generating sample ions directly from the tissue sample using a MALDI ionization source, receiving the ions into a mass spectrometer, identifying at least one esophageal tumor related compound in the sample from results from the mass spectrometer, comparing the at least one identified esophageal tumor related compound in the sample to one or more known esophageal tumor profiles, and identifying at least one condition related to the sample from the comparison of the at least one identified esophageal tumor related compound to the one or more known esophageal tumor profiles. The mass spectrometer may be a quadrupole mass spectrometer, a time of flight mass spectrometer, an Orbitrap mass spectrometer, or an ion trap mass spectrometer.
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